<?xml version="1.0"?>
<!-- FILE : phosholipid_synthesis_model.xml
CREATED : 14th June 2002
LAST MODIFIED : 22nd July 2002
AUTHOR : Catherine Lloyd
The Bioengineering Institute
The University of Auckland
MODEL STATUS : This model conforms to the CellML 1.0 Specification released on
10th August 2001, and the 16/01/2002 CellML Metadata 1.0
Specification.
DESCRIPTION : This file contains a CellML description of a generic model of
phospholipid synthesis.
CHANGES:
22/07/2002 - CML - Added more metadata.
-->
<model name="phospholipid_synthesis_model" pathway_editor:rendering_config_file="phospholipid_synthesis_CellMLrender.xml" xmlns="http://www.cellml.org/cellml/1.0#" xmlns:cellml="http://www.cellml.org/cellml/1.0#" xmlns:cmeta="http://www.cellml.org/metadata/1.0#" xmlns:pathway_editor="http://www.physiome.com/pathway_editor/1.0#">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bqs="http://www.cellml.org/bqs/1.0#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:vCard="http://www.w3.org/2001/vcard-rdf/3.0#">
<!--
The following RDF block contains metadata that applies to this document
as a whole, as indicated by the empty about attribute on the
<rdf:Description> element.
-->
<rdf:Description rdf:about="">
<!--
The Model Builder Metadata. The Dublin Core "creator" element is used
to indicate the person who translated the model into CellML.
-->
<dc:creator rdf:parseType="Resource">
<vCard:N rdf:parseType="Resource">
<vCard:Family>Lloyd</vCard:Family>
<vCard:Given>Catherine</vCard:Given>
<vCard:Other>May</vCard:Other>
</vCard:N>
<vCard:EMAIL rdf:parseType="Resource">
<rdf:value>c.lloyd@auckland.ac.nz</rdf:value>
<rdf:type rdf:resource="http://imc.org/vCard/3.0#internet" />
</vCard:EMAIL>
<vCard:ORG rdf:parseType="Resource">
<vCard:Orgname>The University of Auckland</vCard:Orgname>
<vCard:Orgunit>The Bioengineering Institute</vCard:Orgunit>
</vCard:ORG>
</dc:creator>
<!--
The Creation Date metadata. This is the date on which the model
was translated into CellML.
-->
<dcterms:created rdf:parseType="Resource">
<dcterms:W3CDTF>2002-06-14</dcterms:W3CDTF>
</dcterms:created>
<!--
The Last Modified Date metadata. This is the date on which
the model was last changed.
-->
<cmeta:modification rdf:parseType="Resource">
<rdf:value>
Added more metadata.
</rdf:value>
<cmeta:modifier rdf:parseType="Resource">
<vCard:N rdf:parseType="Resource">
<vCard:Family>Lloyd</vCard:Family>
<vCard:Given>Catherine</vCard:Given>
<vCard:Other>May</vCard:Other>
</vCard:N>
</cmeta:modifier>
<dcterms:modified rdf:parseType="Resource">
<dcterms:W3CDTF>2002-07-22</dcterms:W3CDTF>
</dcterms:modified>
</cmeta:modification>
<!-- The Publisher metadata. -->
<dc:publisher>
The University of Auckland, Bioengineering Institute
</dc:publisher>
</rdf:Description>
<!--
The following metadata refers to the model itself, as indicated by the
reference to the ID "phospholipid_synthesis_mode1", which is declared on
the <model> element.
-->
<rdf:Description rdf:about="#phospholipid_synthesis_mode1">
<!-- A human readable name for the model. -->
<dc:title>A Generic Model Of Phospholipid Synthesis</dc:title>
<!-- A comment regarding the model. -->
<cmeta:comment rdf:parseType="Resource">
<rdf:value>
Below is a CellML description of a general model of phospholipid
synthesis. It is not based on a specific published mathematical
model, but instead it is based on a textbook defined pathway. The
general sequential structure and all the reactant, product and enzyme
components are included. Michaelis-Menten enzyme kinetics are
assumed.
The purpose of this description is to illustrate how CellML can be
used to model a general metabolic pathway.
</rdf:value>
<!-- The creator of the comment. -->
<dc:creator>
<vCard:FN>Catherine Lloyd</vCard:FN>
</dc:creator>
</cmeta:comment>
<cmeta:species>Homo sapiens</cmeta:species>
<!-- Keyword(s) -->
<bqs:reference rdf:parseType="Resource">
<dc:subject rdf:parseType="Resource">
<bqs:subject_type>keyword</bqs:subject_type>
<rdf:value>metabolism</rdf:value>
</dc:subject>
</bqs:reference>
<bqs:Book rdf:parseType="Resource">
<dc:creator rdf:parseType="Resource">
<bqs:Person rdf:parseType="Resource">
<vCard:N rdf:parseType="Resource">
<vCard:Family>Bronk</vCard:Family>
<vCard:Given>J</vCard:Given>
<vCard:Other>Ramsey</vCard:Other>
</vCard:N>
</bqs:Person>
</dc:creator>
<dc:title>Human Metabolism</dc:title>
<dcterms:issued rdf:parseType="Resource">
<dcterms:W3CDTF>1999</dcterms:W3CDTF>
</dcterms:issued>
<dc:publisher rdf:parseType="Resource">
<bqs:Organisation>Addison Wesley Longman Limited</bqs:Organisation>
<bqs:Property rdf:parseType="Resource">
<bqs:property_type>location</bqs:property_type>
<rdf:value>England</rdf:value>
</bqs:Property>
</dc:publisher>
</bqs:Book>
</rdf:Description>
</rdf:RDF>
<!--
We start the model definition with a definition of some named
sets of units for use throughout the model.
-->
<units name="micromolar">
<unit prefix="micro" units="mole" />
<unit units="litre" exponent="-1" />
</units>
<units name="flux">
<unit units="micromolar" />
<unit units="second" exponent="-1" />
</units>
<units name="second_order_rate_constant">
<unit units="micromolar" exponent="-1" />
<unit units="second" exponent="-1" />
</units>
<!--
The following component is defined for modelling convenience. It contains
all the universal variables, in this case, only time.
-->
<component name="global_variables">
<variable name="time" public_interface="out" units="second" />
</component>
<!--
The following components describe all the metabolites - both reactants and
products - involved in phospholipid synthesis.
-->
<component name="Choline" cmeta:id="Choline">
<variable name="Choline" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Choline_rxn0" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Choline</ci>
</apply>
<ci>delta_Choline_rxn0</ci>
</apply>
</math>
</component>
<component name="ATP" cmeta:id="ATP">
<variable name="ATP" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_ATP_rxn0" public_interface="in" units="flux" />
<variable name="delta_ATP_rxn4" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>ATP</ci>
</apply>
<apply>
<plus />
<ci>delta_ATP_rxn0</ci>
<ci>delta_ATP_rxn4</ci>
</apply>
</apply>
</math>
</component>
<component name="ADP" cmeta:id="ADP">
<variable name="ADP" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_ADP_rxn0" public_interface="in" units="flux" />
<variable name="delta_ADP_rxn4" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>ADP</ci>
</apply>
<apply>
<plus />
<ci>delta_ADP_rxn0</ci>
<ci>delta_ADP_rxn4</ci>
</apply>
</apply>
</math>
</component>
<component name="Phosphorylcholine" cmeta:id="Phosphorylcholine">
<variable name="Phosphorylcholine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Phosphorylcholine_rxn0" public_interface="in" units="flux" />
<variable name="delta_Phosphorylcholine_rxn1" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Phosphorylcholine</ci>
</apply>
<apply>
<plus />
<ci>delta_Phosphorylcholine_rxn0</ci>
<ci>delta_Phosphorylcholine_rxn1</ci>
</apply>
</apply>
</math>
</component>
<component name="CDP_choline" cmeta:id="CDP_choline">
<variable name="CDP_choline" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_CDP_choline_rxn1" public_interface="in" units="flux" />
<variable name="delta_CDP_choline_rxn2" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>CDP_choline</ci>
</apply>
<apply>
<plus />
<ci>delta_CDP_choline_rxn1</ci>
<ci>delta_CDP_choline_rxn2</ci>
</apply>
</apply>
</math>
</component>
<component name="CTP" cmeta:id="CTP">
<variable name="CTP" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_CTP_rxn1" public_interface="in" units="flux" />
<variable name="delta_CTP_rxn5" public_interface="in" units="flux" />
<variable name="delta_CTP_rxn8" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>CTP</ci>
</apply>
<apply>
<plus />
<ci>delta_CTP_rxn1</ci>
<ci>delta_CTP_rxn5</ci>
<ci>delta_CTP_rxn8</ci>
</apply>
</apply>
</math>
</component>
<component name="PPi" cmeta:id="PPi">
<variable name="PPi" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_PPi_rxn1" public_interface="in" units="flux" />
<variable name="delta_PPi_rxn5" public_interface="in" units="flux" />
<variable name="delta_PPi_rxn8" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>PPi</ci>
</apply>
<apply>
<plus />
<ci>delta_PPi_rxn1</ci>
<ci>delta_PPi_rxn5</ci>
<ci>delta_PPi_rxn8</ci>
</apply>
</apply>
</math>
</component>
<component name="CDP" cmeta:id="CDP">
<variable name="CDP" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_CDP_rxn2" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>CDP</ci>
</apply>
<ci>delta_CDP_rxn2</ci>
</apply>
</math>
</component>
<component name="Diacylglycerol" cmeta:id="Diacylglycerol">
<variable name="Diacylglycerol" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Diacylglycerol_rxn7" public_interface="in" units="flux" />
<variable name="delta_Diacylglycerol_rxn2" public_interface="in" units="flux" />
<variable name="delta_Diacylglycerol_rxn6" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Diacylglycerol</ci>
</apply>
<apply>
<plus />
<ci>delta_Diacylglycerol_rxn7</ci>
<ci>delta_Diacylglycerol_rxn2</ci>
<ci>delta_Diacylglycerol_rxn6</ci>
</apply>
</apply>
</math>
</component>
<component name="Phosphatidyl_choline" cmeta:id="Phosphatidyl_choline">
<variable name="Phosphatidyl_choline" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Phosphatidyl_choline_rxn2" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Phosphatidyl_choline</ci>
</apply>
<ci>delta_Phosphatidyl_choline_rxn2</ci>
</apply>
</math>
</component>
<component name="Phosphatidyl_ethanolamine" cmeta:id="Phosphatidyl_ethanolamine">
<variable name="Phosphatidyl_ethanolamine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Phosphatidyl_ethanolamine_rxn6" public_interface="in" units="flux" />
<variable name="delta_Phosphatidyl_ethanolamine_rxn3" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Phosphatidyl_ethanolamine</ci>
</apply>
<apply>
<plus />
<ci>delta_Phosphatidyl_ethanolamine_rxn6</ci>
<ci>delta_Phosphatidyl_ethanolamine_rxn3</ci>
</apply>
</apply>
</math>
</component>
<component name="Serine" cmeta:id="Serine">
<variable name="Serine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Serine_rxn3" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Serine</ci>
</apply>
<ci>delta_Serine_rxn3</ci>
</apply>
</math>
</component>
<component name="Phosphatidyl_serine" cmeta:id="Phosphatidyl_serine">
<variable name="Phosphatidyl_serine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Phosphatidyl_serine_rxn3" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Phosphatidyl_serine</ci>
</apply>
<ci>delta_Phosphatidyl_serine_rxn3</ci>
</apply>
</math>
</component>
<component name="Ethanolamine" cmeta:id="Ethanolamine">
<variable name="Ethanolamine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Ethanolamine_rxn3" public_interface="in" units="flux" />
<variable name="delta_Ethanolamine_rxn4" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Ethanolamine</ci>
</apply>
<apply>
<plus />
<ci>delta_Ethanolamine_rxn3</ci>
<ci>delta_Ethanolamine_rxn4</ci>
</apply>
</apply>
</math>
</component>
<component name="Phosphorylethanolamine" cmeta:id="Phosphorylethanolamine">
<variable name="Phosphorylethanolamine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Phosphorylethanolamine_rxn4" public_interface="in" units="flux" />
<variable name="delta_Phosphorylethanolamine_rxn5" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Phosphorylethanolamine</ci>
</apply>
<apply>
<plus />
<ci>delta_Phosphorylethanolamine_rxn4</ci>
<ci>delta_Phosphorylethanolamine_rxn5</ci>
</apply>
</apply>
</math>
</component>
<component name="CDP_ethanolamine" cmeta:id="CDP_ethanolamine">
<variable name="CDP_ethanolamine" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_CDP_ethanolamine_rxn5" public_interface="in" units="flux" />
<variable name="delta_CDP_ethanolamine_rxn6" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>CDP_ethanolamine</ci>
</apply>
<apply>
<plus />
<ci>delta_CDP_ethanolamine_rxn5</ci>
<ci>delta_CDP_ethanolamine_rxn6</ci>
</apply>
</apply>
</math>
</component>
<component name="CMP" cmeta:id="CMP">
<variable name="CMP" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_CMP_rxn6" public_interface="in" units="flux" />
<variable name="delta_CMP_rxn9" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>CMP</ci>
</apply>
<apply>
<plus />
<ci>delta_CMP_rxn6</ci>
<ci>delta_CMP_rxn9</ci>
</apply>
</apply>
</math>
</component>
<component name="Phosphatidate" cmeta:id="Phosphatidate">
<variable name="Phosphatidate" public_interface="out" initial_value="1.0" units="micromolar" />
<variable name="delta_Phosphatidate_rxn7" public_interface="in" units="flux" />
<variable name="delta_Phosphatidate_rxn8" public_interface="in" units="flux" />
<variable name="time" public_interface="in" units="second" />
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq />
<apply>
<diff />
<bvar>
<ci>time</ci>
</bvar>
<ci>Phosphatidate</ci>
</apply>
<apply>
<plus />
<ci>delta_Phosphatidate_rxn7</ci>
<ci>delta_Phosphatidate_rxn8</ci>
</apply>
</apply>
</math>
</component>
<component name="H2O" cmeta:id="H2O">
<variable name="H2O" public_interface="out" initial_value="1.0" units="micromolar" />