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<?xml version="1.0" encoding="UTF-8"?>
<sbml xmlns="http://www.sbml.org/sbml/level2/version4" level="2" version="4">
<model id="LotkaVolterra_tranport">
<listOfUnitDefinitions>
<unitDefinition id="per_second">
<listOfUnits>
<unit kind="second" exponent="-1"/>
</listOfUnits>
</unitDefinition>
<unitDefinition id="litre_per_mole_per_second">
<listOfUnits>
<unit kind="mole" exponent="-1"/>
<unit kind="litre" exponent="1"/>
<unit kind="second" exponent="-1"/>
</listOfUnits>
</unitDefinition>
</listOfUnitDefinitions>
<listOfSpeciesTypes>
<speciesType id="Y1"/>
</listOfSpeciesTypes>
<listOfCompartments>
<compartment id="cytoplasm" size="5"/>
<compartment id="nucleus" outside="cytoplasm" size="1"/>
</listOfCompartments>
<listOfSpecies>
<species id="X" compartment="nucleus" initialAmount="1" constant="true"
boundaryCondition="true"/>
<species id="Y1n" compartment="nucleus" speciesType="Y1" initialAmount="1"/>
<species id="Y1c" compartment="cytoplasm" speciesType="Y1" initialAmount="0"/>
<species id="Y2" compartment="cytoplasm" initialAmount="1"/>
</listOfSpecies>
<listOfParameters>
<parameter id="k1" value="2500" units="litre_per_mole_per_second"/>
<parameter id="k2" value="2500" units="litre_per_mole_per_second"/>
<parameter id="KT" value="25000" units="per_second"/>
<parameter id="k3" value="2500" units="per_second"/>
</listOfParameters>
<listOfReactions>
<reaction id="production" reversible="false">
<listOfReactants>
<speciesReference species="X"/>
<speciesReference species="Y1n"/>
</listOfReactants>
<listOfProducts>
<speciesReference species="Y1n"/>
<speciesReference species="Y1n"/>
</listOfProducts>
<kineticLaw>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<times/>
<ci>nucleus</ci>
<ci>k1</ci>
<ci>X</ci>
<ci>Y1n</ci>
</apply>
</math>
</kineticLaw>
</reaction>
<reaction id="transport" reversible="true">
<listOfReactants>
<speciesReference species="Y1n"/>
</listOfReactants>
<listOfProducts>
<speciesReference species="Y1c"/>
</listOfProducts>
<kineticLaw>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<times/>
<ci>cytoplasm</ci>
<ci>KT</ci>
<apply>
<minus/>
<ci>Y1n</ci>
<ci>Y1c</ci>
</apply>
</apply>
</math>
</kineticLaw>
</reaction>
<reaction id="transformation" reversible="false">
<listOfReactants>
<speciesReference species="Y1c"/>
<speciesReference species="Y2"/>
</listOfReactants>
<listOfProducts>
<speciesReference species="Y2" stoichiometry="2"/>
</listOfProducts>
<kineticLaw>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<times/>
<ci>cytoplasm</ci>
<ci>k2</ci>
<ci>Y1c</ci>
<ci>Y2</ci>
</apply>
</math>
</kineticLaw>
</reaction>
<reaction id="degradation" reversible="false">
<listOfReactants>
<speciesReference species="Y2"/>
</listOfReactants>
<kineticLaw>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<times/>
<ci>cytoplasm</ci>
<ci>k3</ci>
<ci>Y2</ci>
</apply>
</math>
</kineticLaw>
</reaction>
</listOfReactions>
</model>
</sbml>
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