<BioModel Name="PIP2 Hydrolysis JCB Submission" Annotation="This model is intended for anlaysis of PH-GFP experiments and includes binding of the probe to both PIP2 on the plasma membrane and IP3 in the cytosol. The system is based on bradykinin induced calcium release mediated by IP3 in N1E-115 neuroblastoma cells.">
  <Model Name="unnamed" Annotation="">
    <Compound Name="PIP2_PHGFP" Annotation="PIP2_PHGFP" />
    <Compound Name="PH_GFP" Annotation="Pleckstrin homology domain_GFP" />
    <Compound Name="PI" Annotation="Phosphatidylinositol" />
    <Compound Name="stim" Annotation="stimulus" />
    <Compound Name="IP3_PHGFP" Annotation="IP3_PHGFP" />
    <Compound Name="PIP2" Annotation="Phosphatidylinositolbisphosphate" />
    <Compound Name="PIP" Annotation="Phosphatidylinositol 4-phosphate" />
    <Compound Name="DAG" Annotation="Diacylglycerol" />
    <Compound Name="hv" Annotation="photon" />
    <Compound Name="IP3X" Annotation="Caged_IP3" />
    <Compound Name="PLC" Annotation="Phospholipase C" />
    <Compound Name="PLC_act" Annotation="1-Phosphatidylinositol-4,5-bisphosphate phosphodiesterase" />
    <Compound Name="IP3" Annotation="Inositol-1,4,5-trisphosphate" />
    <Feature Name="Cytosol" />
    <Feature Name="Nucleus" />
    <Feature Name="Extraclellular" />
    <Membrane InsideFeature="Nucleus" OutsideFeature="Cytosol" MembraneVoltage="Voltage_Membrane0" Name="NM" />
    <Membrane InsideFeature="Cytosol" OutsideFeature="Extraclellular" MembraneVoltage="Voltage_Membrane0" Name="PM" />
    <LocalizedCompound Name="PIP2_PHGFP_PM" CompoundRef="PIP2_PHGFP" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="PH_GFP_Cyt" CompoundRef="PH_GFP" Structure="Cytosol" OverrideName="true" />
    <LocalizedCompound Name="PI_PM" CompoundRef="PI" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="stim_PM" CompoundRef="stim" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="IP3_PHGFP_Cyt" CompoundRef="IP3_PHGFP" Structure="Cytosol" OverrideName="true" />
    <LocalizedCompound Name="PIP2_PM" CompoundRef="PIP2" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="PIP_PM" CompoundRef="PIP" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="DAG_PM" CompoundRef="DAG" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="hv_Cytosol" CompoundRef="hv" Structure="Cytosol" OverrideName="false" />
    <LocalizedCompound Name="IP3X_Cytosol" CompoundRef="IP3X" Structure="Cytosol" OverrideName="false" />
    <LocalizedCompound Name="PLC_PM" CompoundRef="PLC" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="PLC_act_PM" CompoundRef="PLC_act" Structure="PM" OverrideName="false" />
    <LocalizedCompound Name="IP3_Cyt" CompoundRef="IP3" Structure="Cytosol" OverrideName="true" />
    <SimpleReaction Structure="Cytosol" Name="IP3deg" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Parameter>
        <Parameter Name="kIP3deg">0.16</Parameter>
        <Parameter Name="IP3_basal">0.16</Parameter>
        <Rate>Rate_IP3deg</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="Cytosol" Name="IP3-PHGFP" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Reactant LocalizedCompoundRef="PH_GFP_Cyt" Stoichiometry="1" />
      <Product LocalizedCompoundRef="IP3_PHGFP_Cyt" Stoichiometry="1" />
      <Kinetics KineticsType="MassAction">
        <Parameter Name="kf_IP3PH">100.0</Parameter>
        <Parameter Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Parameter>
        <Parameter Name="KdIP3PH">2.0</Parameter>
        <ForwardRate>kf_IP3PH</ForwardRate>
        <ReverseRate>kr_IP3PH</ReverseRate>
        <Rate>(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2_PH" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PH_GFP_Cyt" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PIP2_PHGFP_PM" Stoichiometry="1" />
      <Reactant LocalizedCompoundRef="PIP2_PM" Stoichiometry="1" />
      <Kinetics KineticsType="MassAction">
        <Parameter Name="kf_PIP2PH">200.0</Parameter>
        <Parameter Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Parameter>
        <Parameter Name="KdPIP2PH">2.0</Parameter>
        <ForwardRate>kf_PIP2PH</ForwardRate>
        <ReverseRate>kr_PIP2PH</ReverseRate>
        <Rate>(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2Syn" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PIP_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PIP2_PM" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Parameter>
        <Parameter Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Parameter>
        <Parameter Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Parameter>
        <Parameter Name="kBasalSynPIP2">0.045</Parameter>
        <Parameter Name="PIP2_basal">1072.0</Parameter>
        <Parameter Name="kStimSynPIP2">0.01</Parameter>
        <Parameter Name="tauPIP2syn">0.05</Parameter>
        <Parameter Name="PIP2syndecay">10.0</Parameter>
        <Rate>Rate_PIP2Syn</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIPSyn" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PI_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PIP_PM" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Parameter>
        <Parameter Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Parameter>
        <Parameter Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Parameter>
        <Parameter Name="kBasalSynPIP">0.0015</Parameter>
        <Parameter Name="PIP_basal">2857.0</Parameter>
        <Parameter Name="kStimSynPIP">0.01</Parameter>
        <Parameter Name="tauPIPsyn">0.05</Parameter>
        <Parameter Name="PIPsyndecay">10.0</Parameter>
        <Rate>Rate_PIPSyn</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2_hyd" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Product LocalizedCompoundRef="DAG_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Reactant LocalizedCompoundRef="PIP2_PM" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="PLC_act_PM" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Parameter>
        <Parameter Name="k_PIP2hyd">1.188</Parameter>
        <Rate>Rate_PIP2_hyd</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="Cytosol" Name="IP3_uncaging" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Product LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="hv_Cytosol" />
      <Reactant LocalizedCompoundRef="IP3X_Cytosol" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="J_IP3_uncaging">(intensity * IP3X_Cytosol * hv_Cytosol)</Parameter>
        <Parameter Name="intensity">100000.0</Parameter>
        <Rate>J_IP3_uncaging</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PLCact" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PLC_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PLC_act_PM" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="stim_PM" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Parameter>
        <Parameter Name="KfPLCact">1000.0</Parameter>
        <Parameter Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Parameter>
        <Parameter Name="krPLCact">10.0</Parameter>
        <Parameter Name="tau0">0.05</Parameter>
        <Parameter Name="stimdecay">6.0</Parameter>
        <Rate>RatePLCact</Rate>
      </Kinetics>
    </SimpleReaction>
    <SimpleReaction Structure="PM" Name="PIP2_PH_hyd" FluxCarrierValence="0" FluxOption="MolecularOnly">
      <Reactant LocalizedCompoundRef="PIP2_PHGFP_PM" Stoichiometry="1" />
      <Product LocalizedCompoundRef="PH_GFP_Cyt" Stoichiometry="1" />
      <Product LocalizedCompoundRef="IP3_Cyt" Stoichiometry="1" />
      <Modifier LocalizedCompoundRef="PLC_act_PM" />
      <Product LocalizedCompoundRef="DAG_PM" Stoichiometry="1" />
      <Kinetics KineticsType="GeneralKinetics">
        <Parameter Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Parameter>
        <Parameter Name="k_PIP2PHhyd">50.0</Parameter>
        <Rate>RatePIP2_PH_hyd</Rate>
      </Kinetics>
    </SimpleReaction>
    <Diagram Name="Membrane0" Structure="PM">
      <LocalizedCompoundShape LocalizedCompoundRef="PIP2_PHGFP_PM" LocationX="177" LocationY="305" />
      <LocalizedCompoundShape LocalizedCompoundRef="PI_PM" LocationX="49" LocationY="54" />
      <LocalizedCompoundShape LocalizedCompoundRef="stim_PM" LocationX="123" LocationY="342" />
      <LocalizedCompoundShape LocalizedCompoundRef="PIP2_PM" LocationX="25" LocationY="350" />
      <LocalizedCompoundShape LocalizedCompoundRef="PIP_PM" LocationX="66" LocationY="182" />
      <LocalizedCompoundShape LocalizedCompoundRef="DAG_PM" LocationX="331" LocationY="429" />
      <LocalizedCompoundShape LocalizedCompoundRef="PLC_PM" LocationX="143" LocationY="410" />
      <LocalizedCompoundShape LocalizedCompoundRef="PLC_act_PM" LocationX="247" LocationY="407" />
      <LocalizedCompoundShape LocalizedCompoundRef="PH_GFP_Cyt" LocationX="41" LocationY="160" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_PHGFP_Cyt" LocationX="30" LocationY="102" />
      <LocalizedCompoundShape LocalizedCompoundRef="hv_Cytosol" LocationX="60" LocationY="50" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3X_Cytosol" LocationX="18" LocationY="49" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_Cyt" LocationX="43" LocationY="448" />
      <SimpleReactionShape SimpleReactionRef="PIP2_PH" LocationX="274" LocationY="231" />
      <SimpleReactionShape SimpleReactionRef="PIP2Syn" LocationX="76" LocationY="247" />
      <SimpleReactionShape SimpleReactionRef="PIPSyn" LocationX="54" LocationY="122" />
      <SimpleReactionShape SimpleReactionRef="PIP2_hyd" LocationX="177" LocationY="473" />
      <SimpleReactionShape SimpleReactionRef="PLCact" LocationX="183" LocationY="395" />
      <SimpleReactionShape SimpleReactionRef="PIP2_PH_hyd" LocationX="273" LocationY="329" />
    </Diagram>
    <Diagram Name="unnamed" Structure="Extraclellular" />
    <Diagram Name="Membrane0" Structure="NM" />
    <Diagram Name="Feature0" Structure="Cytosol">
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_Cyt" LocationX="153" LocationY="155" />
      <LocalizedCompoundShape LocalizedCompoundRef="PLC_Cyt" LocationX="27" LocationY="21" />
      <LocalizedCompoundShape LocalizedCompoundRef="PH_GFP_Cyt" LocationX="107" LocationY="286" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3_PHGFP_Cyt" LocationX="321" LocationY="233" />
      <LocalizedCompoundShape LocalizedCompoundRef="hv_Cytosol" LocationX="110" LocationY="39" />
      <LocalizedCompoundShape LocalizedCompoundRef="IP3X_Cytosol" LocationX="36" LocationY="79" />
      <SimpleReactionShape SimpleReactionRef="IP3deg" LocationX="249" LocationY="97" />
      <SimpleReactionShape SimpleReactionRef="IP3-PHGFP" LocationX="206" LocationY="229" />
      <SimpleReactionShape SimpleReactionRef="reaction0" LocationX="80" LocationY="102" />
    </Diagram>
    <Diagram Name="Feature0" Structure="Nucleus" />
    <Version Name="unnamed" FromVersionable="true"></Version>
  </Model>
  <SimulationSpec Name="steady state compartment" Annotation="">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.263" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="true" EnableDiffusion="true">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1200000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>12000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="fast" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="steady state compartment" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">0.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="intensity">100000.0</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">0.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">1200000.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">1.0</Constant>
      <Constant Name="SurfToVol_PM">0.263</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="PI_PM">1200000.0</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">0.0</Constant>
      <Constant Name="PIP2_PM_init">12000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="PH_GFP_Cyt">1.0</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">0.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">0.0</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="PIP2_PM">12000.0</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="IP3_Cyt">0.16</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PIP2_PHGFP_PM" />
      <VolumeVariable Name="IP3X_Cytosol" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="DAG_PM" />
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="K_hv_Cytosol_total">(hv_Cytosol_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)</Function>
      <Function Name="hv_Cytosol">(K_hv_Cytosol_total / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="J_IP3_uncaging">(intensity * IP3X_Cytosol * hv_Cytosol)</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>0.0</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3X_Cytosol">
          <Rate> - J_IP3_uncaging</Rate>
          <Initial>IP3X_Cytosol_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PHGFP_PM">
          <Rate>(J_PIP2_PH - RatePIP2_PH_hyd)</Rate>
          <Initial>PIP2_PHGFP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
        <FastSystem>
          <FastRate>J_IP3_PHGFP</FastRate>
        </FastSystem>
      </CompartmentSubDomain>
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="ss check 1" Annotation="Total PIP2 + both complexes =&amp;#10;12,000molec/um2">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="1" KeepAtMost="1000" Solver="Runge-Kutta-Fehlberg (Fifth Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="1.0" />
        <TimeStep DefaultTime="0.1" MinTime="1.0E-8" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="kf_IP3PH">100.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.16</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP_PM_init">0.0</Constant>
        <Constant Name="kStimSynPIP">0.01</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="PIPsyndecay">10.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kBasalSynPIP">0.0015</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="PI_PM">142857.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kStimSynPIP2">0.01</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="k_PIP2hyd">1.188</Constant>
        <Constant Name="kBasalSynPIP2">0.045</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2syndecay">10.0</Constant>
        <Constant Name="kf_PIP2PH">200.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="PH_GFP_Cyt">2.30769</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="k_PIP2PHhyd">50.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="SurfToVol_PM">0.263</Constant>
      </MathOverrides>
      <Version Name="ss check 1" FromVersionable="true">Total PIP2 + both complexes =&amp;#10;12,000molec/um2</Version>
    </Simulation>
    <Version Name="steady state compartment" FromVersionable="true"></Version>
  </SimulationSpec>
  <SimulationSpec Name="uncaging" Annotation="(copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.263" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.30769</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>3.6923</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="false" EnableDiffusion="true">
        <Initial>1.01446</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4617.4</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Average Exp Params - fast off" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="intensity">100000.0</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">1.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
      <Constant Name="hv_Cytosol">1.0</Constant>
      <Constant Name="SurfToVol_PM">0.263</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="IP3X_Cytosol" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="PIP2_PM" />
      <VolumeVariable Name="IP3_Cyt" />
      <Function Name="K_PI_PM_total">(PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE)</Function>
      <Function Name="K_PH_GFP_Cyt_total">( - (DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(((DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">((DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PIP2_PHGFP_PM">(( - (DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PIP2_PHGFP_PM_total - (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="K_PIP_PM_total">(PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE)</Function>
      <Function Name="PIP_PM">(K_PIP_PM_total / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="PI_PM">(K_PI_PM_total / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="J_IP3_uncaging">(intensity * IP3X_Cytosol * hv_Cytosol)</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3X_Cytosol">
          <Rate> - J_IP3_uncaging</Rate>
          <Initial>IP3X_Cytosol_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3_Cyt">
          <Rate>((RatePIP2_PH_hyd * Kflux_PM_Cytosol * KMOLE) + J_IP3_uncaging - Rate_IP3deg - J_IP3_PHGFP)</Rate>
          <Initial>IP3_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate> - J_PIP2_PH</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>RatePIP2_PH_hyd</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Average Exp Params - fast off" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="First Try" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="First Try" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="3X PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="3X PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="0.3X PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">1.01446</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="0.3X PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="SS check - 0 IP3X_Cyt" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KfPLCact">0.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="hv_Cytosol_init">1.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="hv_Cytosol">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="stim_PM_init">0.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="tau0">0.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="stimdecay">6.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="kIP3deg">0.16</Constant>
        <Constant Name="intensity">100000.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stim_PM">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="krPLCact">10.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
      </MathOverrides>
      <Version Name="SS check - 0 IP3X_Cyt" FromVersionable="true"></Version>
    </Simulation>
    <Version Name="uncaging" FromVersionable="true">(copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Compartmental Sim" Annotation="(copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.263" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>5.46296</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.437037</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2928.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>1072.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Compartmental Sim" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">0.437037</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">5.46296</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="SurfToVol_PM">0.263</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">1072.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">2928.0</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="PI_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="PIP2_PM" />
      <VolumeVariable Name="IP3_Cyt" />
      <Function Name="K_PH_GFP_Cyt_total">( - (DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(((DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">((DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PIP2_PHGFP_PM">(( - (DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PIP2_PHGFP_PM_total - (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3_Cyt">
          <Rate>((RatePIP2_PH_hyd * Kflux_PM_Cytosol * KMOLE) + (Rate_PIP2_hyd * Kflux_PM_Cytosol * KMOLE) - Rate_IP3deg - J_IP3_PHGFP)</Rate>
          <Initial>IP3_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate>( - Rate_PIP2_hyd - J_PIP2_PH + Rate_PIP2Syn)</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Compartmental Sim" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="no PHGFP,  S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">2.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">0.0</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="no PHGFP,  S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 3X PH-GFP" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 3X PH-GFP" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 0.3X PH-GFP" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt, 0.3X PH-GFP" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Simulation Name="copy of PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" Annotation="S:V=.5&amp;#10;optimized rates&amp;#10;">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="1.0E-4" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-11" Relative="1.0E-11" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="kStimSynPIP2">0.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="kStimSynPIP">0.0</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
      </MathOverrides>
      <Version Name="copy of PHGFP, KdPHIP3=0.1, S:V=.5, slow I deg, fast stim syn &amp;amp; hyd opt" FromVersionable="true">S:V=.5&amp;#10;optimized rates&amp;#10;</Version>
    </Simulation>
    <Version Name="Compartmental Sim" FromVersionable="true">(copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Comp Fixed IP3" Annotation="(copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.5" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.30769</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>3.6923</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4617.4</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Comp Fixed IP3" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="SurfToVol_PM">0.5</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="IP3_Cyt">0.16</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="PI_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="PIP2_PM" />
      <Function Name="K_PH_GFP_Cyt_total">( - (DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(((DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="K_PIP2_PHGFP_PM_total">((DAG_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PI_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PIP2_PHGFP_PM">(( - (DAG_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) - (PIP2_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PIP2_PHGFP_PM_total - (PI_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PM">
          <Rate>( - Rate_PIP2_hyd - J_PIP2_PH + Rate_PIP2Syn)</Rate>
          <Initial>PIP2_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Comp Fixed IP3" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="Fixed IP3" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed IP3, 3x PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3, 3x PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed IP3, 0.3x PH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3, 0.3x PH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed IP3 Increase Affinity for PIP2" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">0.1</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="IP3_Cyt">0.16</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">92307.6</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed IP3 Increase Affinity for PIP2" FromVersionable="true"></Version>
    </Simulation>
    <Version Name="Comp Fixed IP3" FromVersionable="true">(copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) </Version>
  </SimulationSpec>
  <SimulationSpec Name="Comp Fixed PIP2" Annotation="(copied from Comp Fixed IP3) (copied from Compartmental Sim) (copied from uncaging) (copied from Average Exp Params - Comp) (copied from SS for Exp params) (copied from steady state compartment) ">
    <Geometry Name="steady state compartment" Dimension="0" Annotation="">
      <Extent X="10.0" Y="10.0" Z="10.0" />
      <Origin X="0.0" Y="0.0" Z="0.0" />
      <SubVolume Name="Compartment" Handle="0" Type="Compartmental" />
      <Version Name="steady state compartment" FromVersionable="true"></Version>
    </Geometry>
    <GeometryContext>
      <FeatureMapping Feature="Cytosol" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Nucleus" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <FeatureMapping Feature="Extraclellular" SubVolume="Compartment" Resolved="false">
        <BoundariesTypes Xm="Value" Xp="Value" Ym="Value" Yp="Value" Zm="Value" Zp="Value" />
      </FeatureMapping>
      <MembraneMapping Membrane="NM" SurfaceToVolumeRatio="1.0" VolumeFraction="0.1" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
      <MembraneMapping Membrane="PM" SurfaceToVolumeRatio="0.5" VolumeFraction="0.8" CalculateVoltage="false" SpecificCapacitance="0.01" InitialVoltage="0.0" />
    </GeometryContext>
    <ReactionContext>
      <LocalizedCompoundSpec LocalizedCompoundRef="PH_GFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>2.30769</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_PHGFP_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>3.6923</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="hv_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3X_Cytosol" ForceConstant="true" EnableDiffusion="true">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="IP3_Cyt" ForceConstant="false" EnableDiffusion="true">
        <Initial>0.16</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PHGFP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>4617.4</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PI_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>142857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="stim_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>1.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP2_PM" ForceConstant="true" EnableDiffusion="false">
        <Initial>4000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PIP_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2857.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="DAG_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>2000.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>100.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <LocalizedCompoundSpec LocalizedCompoundRef="PLC_act_PM" ForceConstant="false" EnableDiffusion="false">
        <Initial>0.0</Initial>
        <Diffusion>0.0</Diffusion>
      </LocalizedCompoundSpec>
      <ReactionSpec ReactionStepRef="IP3deg" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3-PHGFP" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2Syn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIPSyn" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_hyd" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="IP3_uncaging" ReactionMapping="excluded" />
      <ReactionSpec ReactionStepRef="PLCact" ReactionMapping="included" />
      <ReactionSpec ReactionStepRef="PIP2_PH_hyd" ReactionMapping="included" />
    </ReactionContext>
    <MathDescription Name="Comp Fixed PIP2" Annotation="">
      <Constant Name="KdPIP2PH">2.0</Constant>
      <Constant Name="kBasalSynPIP">0.0015</Constant>
      <Constant Name="PLC_PM_init">100.0</Constant>
      <Constant Name="IP3_Cyt_init">0.16</Constant>
      <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
      <Constant Name="hv_Cytosol_init">0.0</Constant>
      <Constant Name="_F_">96480.0</Constant>
      <Constant Name="PIP2syndecay">10.0</Constant>
      <Constant Name="_R_">8314.0</Constant>
      <Constant Name="stim_PM">1.0</Constant>
      <Constant Name="PIP_basal">2857.0</Constant>
      <Constant Name="PIPsyndecay">10.0</Constant>
      <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
      <Constant Name="IP3X_Cytosol">0.0</Constant>
      <Constant Name="kStimSynPIP">0.01</Constant>
      <Constant Name="DAG_PM_init">2000.0</Constant>
      <Constant Name="PI_PM_init">142857.0</Constant>
      <Constant Name="k_PIP2hyd">1.188</Constant>
      <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
      <Constant Name="hv_Cytosol">0.0</Constant>
      <Constant Name="SurfToVol_PM">0.5</Constant>
      <Constant Name="kIP3deg">0.16</Constant>
      <Constant Name="IP3_basal">0.16</Constant>
      <Constant Name="PIP_PM_init">2857.0</Constant>
      <Constant Name="PIP2_PM_init">4000.0</Constant>
      <Constant Name="VolFract_Nucleus">0.1</Constant>
      <Constant Name="KdIP3PH">2.0</Constant>
      <Constant Name="stimdecay">6.0</Constant>
      <Constant Name="kf_PIP2PH">200.0</Constant>
      <Constant Name="PLC_act_PM_init">0.0</Constant>
      <Constant Name="VolFract_Cytosol">0.8</Constant>
      <Constant Name="IP3X_Cytosol_init">0.0</Constant>
      <Constant Name="kStimSynPIP2">0.01</Constant>
      <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
      <Constant Name="krPLCact">10.0</Constant>
      <Constant Name="tau0">0.05</Constant>
      <Constant Name="SurfToVol_NM">1.0</Constant>
      <Constant Name="tauPIPsyn">0.05</Constant>
      <Constant Name="stim_PM_init">1.0</Constant>
      <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
      <Constant Name="PIP2_basal">1072.0</Constant>
      <Constant Name="_T_">300.0</Constant>
      <Constant Name="kf_IP3PH">100.0</Constant>
      <Constant Name="kBasalSynPIP2">0.045</Constant>
      <Constant Name="PIP2_PM">4000.0</Constant>
      <Constant Name="KfPLCact">1000.0</Constant>
      <Constant Name="k_PIP2PHhyd">50.0</Constant>
      <Constant Name="tauPIP2syn">0.05</Constant>
      <VolumeVariable Name="IP3_PHGFP_Cyt" />
      <VolumeVariable Name="PIP2_PHGFP_PM" />
      <VolumeVariable Name="PLC_act_PM" />
      <VolumeVariable Name="PIP_PM" />
      <VolumeVariable Name="PI_PM" />
      <VolumeVariable Name="DAG_PM" />
      <VolumeVariable Name="IP3_Cyt" />
      <Function Name="K_PH_GFP_Cyt_total">((PIP2_PHGFP_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PH_GFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol) + (IP3_PHGFP_Cyt_init * (1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="PH_GFP_Cyt">(( - (PIP2_PHGFP_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE) + K_PH_GFP_Cyt_total - (IP3_PHGFP_Cyt * (1.0 - VolFract_Nucleus) * VolFract_Cytosol)) / ((1.0 - VolFract_Nucleus) * VolFract_Cytosol))</Function>
      <Function Name="kr_PIP2PH">(kf_PIP2PH * KdPIP2PH)</Function>
      <Function Name="J_PIP2_PH">(((kf_PIP2PH * PH_GFP_Cyt) * PIP2_PM) - (kr_PIP2PH * PIP2_PHGFP_PM))</Function>
      <Function Name="signal">((t &amp;gt; tau0) * exp( - ((t - tau0) / stimdecay)))</Function>
      <Function Name="Rate_PIP2SynStim">(kStimSynPIP2 * exp( - ((t - tauPIP2syn) / PIP2syndecay)) * (t &amp;gt; tauPIP2syn))</Function>
      <Function Name="K_PLC_PM_total">((PLC_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE) + (PLC_act_PM_init * SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="PLC_PM">((K_PLC_PM_total - (PLC_act_PM * SurfToVol_PM * VolFract_Cytosol * KMOLE)) / (SurfToVol_PM * VolFract_Cytosol * KMOLE))</Function>
      <Function Name="RatePLCact">((KfPLCact * (PLC_PM * stim_PM * signal)) - (krPLCact * PLC_act_PM))</Function>
      <Function Name="Ratebasal_PIPsyn">((kBasalSynPIP * 0.581 * ( - 1.0 + exp(((PIP_basal - PIP_PM) / PIP_basal)))) * (PIP_PM &amp;lt; PIP_basal))</Function>
      <Function Name="Ratestim_PIPsyn">(kStimSynPIP * exp( - ((t - tauPIPsyn) / PIPsyndecay)) * (t &amp;gt; tauPIPsyn))</Function>
      <Function Name="Rate_PIPSyn">((Ratebasal_PIPsyn + Ratestim_PIPsyn) * PI_PM)</Function>
      <Function Name="Rate_PIP2_hyd">(k_PIP2hyd * (PIP2_PM * PLC_act_PM))</Function>
      <Function Name="Rate_PIP2Synbasal">((kBasalSynPIP2 * 0.581 * ( - 1.0 + exp(((PIP2_basal - PIP2_PM) / PIP2_basal)))) * (PIP2_PM &amp;lt; PIP2_basal))</Function>
      <Function Name="Rate_PIP2Syn">((Rate_PIP2Synbasal + Rate_PIP2SynStim) * PIP_PM)</Function>
      <Function Name="Kflux_NM_Nucleus">SurfToVol_NM</Function>
      <Function Name="kr_IP3PH">(kf_IP3PH * KdIP3PH)</Function>
      <Function Name="J_IP3_PHGFP">(((kf_IP3PH * IP3_Cyt) * PH_GFP_Cyt) - (kr_IP3PH * IP3_PHGFP_Cyt))</Function>
      <Function Name="Kflux_NM_Cytosol">(SurfToVol_NM * VolFract_Nucleus / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Kflux_PM_Cytosol">(SurfToVol_PM / (1.0 - VolFract_Nucleus))</Function>
      <Function Name="Voltage_Membrane0">0.0</Function>
      <Function Name="Rate_IP3deg">(kIP3deg * (IP3_Cyt - IP3_basal))</Function>
      <Function Name="Kflux_PM_Extraclellular">(SurfToVol_PM * VolFract_Cytosol / (1.0 - VolFract_Cytosol))</Function>
      <Function Name="RatePIP2_PH_hyd">(k_PIP2PHhyd * PLC_act_PM * PIP2_PHGFP_PM)</Function>
      <CompartmentSubDomain Name="Compartment">
        <BoundaryType Boundary="Xm" Type="Value" />
        <BoundaryType Boundary="Xp" Type="Value" />
        <BoundaryType Boundary="Ym" Type="Value" />
        <BoundaryType Boundary="Yp" Type="Value" />
        <BoundaryType Boundary="Zm" Type="Value" />
        <BoundaryType Boundary="Zp" Type="Value" />
        <OdeEquation Name="IP3_PHGFP_Cyt">
          <Rate>J_IP3_PHGFP</Rate>
          <Initial>IP3_PHGFP_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="IP3_Cyt">
          <Rate>((RatePIP2_PH_hyd * Kflux_PM_Cytosol * KMOLE) + (Rate_PIP2_hyd * Kflux_PM_Cytosol * KMOLE) - Rate_IP3deg - J_IP3_PHGFP)</Rate>
          <Initial>IP3_Cyt_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP2_PHGFP_PM">
          <Rate>(J_PIP2_PH - RatePIP2_PH_hyd)</Rate>
          <Initial>PIP2_PHGFP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PI_PM">
          <Rate> - Rate_PIPSyn</Rate>
          <Initial>PI_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PIP_PM">
          <Rate>( - Rate_PIP2Syn + Rate_PIPSyn)</Rate>
          <Initial>PIP_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="DAG_PM">
          <Rate>(Rate_PIP2_hyd + RatePIP2_PH_hyd)</Rate>
          <Initial>DAG_PM_init</Initial>
        </OdeEquation>
        <OdeEquation Name="PLC_act_PM">
          <Rate>RatePLCact</Rate>
          <Initial>PLC_act_PM_init</Initial>
        </OdeEquation>
      </CompartmentSubDomain>
      <Version Name="Comp Fixed PIP2" FromVersionable="true"></Version>
    </MathDescription>
    <Simulation Name="Fixed PIP2" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">4617.4</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed PIP2 0.3XPH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 0.3)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 0.3)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 0.3)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2 0.3XPH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed PIP2 3XPH-GFP" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">(2.30769 * 3.0)</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">(3.6923 * 3.0)</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay">1.0</Constant>
        <Constant Name="KMOLE">(1.0 / 602.0)</Constant>
        <Constant Name="PIP_PM_init">2857.0</Constant>
        <Constant Name="VolFract_Cytosol">0.8</Constant>
        <Constant Name="PIP2syndecay">1.0</Constant>
        <Constant Name="KdPIP2PH">2.0</Constant>
        <Constant Name="PIP2_PM_init">4000.0</Constant>
        <Constant Name="SurfToVol_PM">0.5</Constant>
        <Constant Name="tauPIP2syn">0.05</Constant>
        <Constant Name="PI_PM_init">142857.0</Constant>
        <Constant Name="kStimSynPIP">0.019</Constant>
        <Constant Name="kBasalSynPIP">0.0055</Constant>
        <Constant Name="k_PIP2PHhyd">0.0</Constant>
        <Constant Name="PIP2_PM">4000.0</Constant>
        <Constant Name="stimdecay">1.0</Constant>
        <Constant Name="kBasalSynPIP2">0.048</Constant>
        <Constant Name="PIP2_PHGFP_PM_init">(4617.4 * 3.0)</Constant>
        <Constant Name="k_PIP2hyd">2.4</Constant>
        <Constant Name="_R_">8314.0</Constant>
        <Constant Name="kStimSynPIP2">0.92</Constant>
      </MathOverrides>
      <Version Name="Fixed PIP2 3XPH-GFP" FromVersionable="true"></Version>
    </Simulation>
    <Simulation Name="Fixed PIP2, Increase PIP2PH affinity" Annotation="">
      <SolverTaskDescription TaskType="Unsteady" KeepEvery="10" KeepAtMost="1000" Solver="LSODA (Variable Order, Variable Time Step)">
        <TimeBound StartTime="0.0" EndTime="220.0" />
        <TimeStep DefaultTime="0.0010" MinTime="1.0E-13" MaxTime="1.0" />
        <ErrorTolerance Absolut="1.0E-9" Relative="1.0E-9" />
      </SolverTaskDescription>
      <MathOverrides>
        <Constant Name="tau0">0.05</Constant>
        <Constant Name="_F_">96480.0</Constant>
        <Constant Name="tauPIPsyn">0.05</Constant>
        <Constant Name="stim_PM">1.0</Constant>
        <Constant Name="PIP2_basal">4000.0</Constant>
        <Constant Name="kf_IP3PH">10.0</Constant>
        <Constant Name="IP3_Cyt_init">0.16</Constant>
        <Constant Name="IP3_basal">0.16</Constant>
        <Constant Name="PH_GFP_Cyt_init">2.30769</Constant>
        <Constant Name="K_milliVolts_per_Volt">1000.0</Constant>
        <Constant Name="krPLCact">0.1</Constant>
        <Constant Name="VolFract_Nucleus">0.1</Constant>
        <Constant Name="stim_PM_init">1.0</Constant>
        <Constant Name="SurfToVol_NM">1.0</Constant>
        <Constant Name="PLC_act_PM_init">0.0</Constant>
        <Constant Name="kf_PIP2PH">0.12</Constant>
        <Constant Name="DAG_PM_init">2000.0</Constant>
        <Constant Name="IP3X_Cytosol_init">0.0</Constant>
        <Constant Name="KdIP3PH">0.1</Constant>
        <Constant Name="KfPLCact">5.0E-4</Constant>
        <Constant Name="hv_Cytosol_init">0.0</Constant>
        <Constant Name="kIP3deg">0.08</Constant>
        <Constant Name="PIP_basal">2857.0</Constant>
        <Constant Name="hv_Cytosol">0.0</Constant>
        <Constant Name="_T_">300.0</Constant>
        <Constant Name="IP3_PHGFP_Cyt_init">3.6923</Constant>
        <Constant Name="PLC_PM_init">100.0</Constant>
        <Constant Name="IP3X_Cytosol">0.0</Constant>
        <Constant Name="PIPsyndecay"