Location: Na+/HCO3- Cotransporter @ 4e3b660fbbcd / Ostby_2009_NBC.cellml

Author:
Soroush Safaei <ssaf006@aucklanduni.ac.nz>
Date:
2016-04-14 17:40:36+12:00
Desc:
fix ascii
Permanent Source URI:
https://models.fieldml.org/workspace/295/rawfile/4e3b660fbbcd9074a9415c579aa8da59e2618bcb/Ostby_2009_NBC.cellml

<?xml version='1.0'?>
<!-- This CellML file was generated from:
 Østby, Ivar, et al. "Astrocytic mechanisms explaining neural-activity-induced shrinkage of extraneuronal space." PLoS Comput Biol 5.1 (2009): e1000272.-->
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		xmlns:bqs="http://www.cellml.org/bqs/1.0#" xmlns:dc="http://purl.org/dc/elements/1.1/">
		<rdf:Description rdf:about="">
			<dc:title>A kinetically defined Na+/HCO3- cotransporter (NBC) within a mathematical model of the brain.</dc:title>
		</rdf:Description>
		<rdf:Description rdf:about="#Ostby_2009_NBC">
			<bqs:reference rdf:parseType="Resource">
				<dc:subject rdf:parseType="Resource">
					<bqs:subject_type>keyword</bqs:subject_type>
					<rdf:value>
						<rdf:Bag>
							<rdf:li>protein module</rdf:li>
						</rdf:Bag>
					</rdf:value>
				</dc:subject>
			</bqs:reference>
		</rdf:Description>
	</rdf:RDF>
    
    <import xlink:href="Units/Units.cellml">
        <units name="mM" units_ref="mM"/>
        <units name="mM_per_s" units_ref="mM_per_s"/>
        <units name="joule_per_mmole_kelvin" units_ref="joule_per_mmole_kelvin"/>
        <units name="coulomb_per_mmole" units_ref="coulomb_per_mmole"/>
        <units name="mS_per_cm2" units_ref="mS_per_cm2"/>
    </import>
    <component name="NBC">
        <variable name="V_m" public_interface="in" units="volt"/>
        <variable name="Na_int" public_interface="in" units="mM"/>
        <variable name="Na_ext" public_interface="in" units="mM"/>
        <variable name="HCO3_int" public_interface="in" units="mM"/>
        <variable name="HCO3_ext" public_interface="in" units="mM"/>
        <variable initial_value="0.08" name="g_NBC" public_interface="out" units="mS_per_cm2"/>
        <variable initial_value="96.5" name="F" units="coulomb_per_mmole"/>
        <variable initial_value="0.008315" name="R" units="joule_per_mmole_kelvin"/>
        <variable initial_value="300" name="T" units="kelvin"/>
        <variable initial_value="2" name="n" units="dimensionless"/>
        <variable name="E_NBC" public_interface="out" units="volt"/>
        <variable name="J_NBC_Na" public_interface="out" units="mM_per_s"/>
        <variable name="J_NBC_HCO3" public_interface="out" units="mM_per_s"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>E_NBC</ci>
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                    <times/>
                    <apply>
                        <divide/>
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                            <ci>T</ci>
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                                <minus/>
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                                <ci>n</ci>
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                        </apply>
                    </apply>
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                        <ln/>
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                            <times/>
                            <apply>
                                <divide/>
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                                <ci>Na_int</ci>
                            </apply>
                            <apply>
                                <power/>
                                <apply>
                                    <divide/>
                                    <ci>HCO3_ext</ci>
                                    <ci>HCO3_int</ci>
                                </apply>
                                <cn cellml:units="dimensionless">2</cn>
                            </apply>
                        </apply>
                    </apply>
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            </apply>
            <apply>
                <eq/>
                <ci>J_NBC_Na</ci>
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                    <divide/>
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                        <ci>g_NBC</ci>
                        <apply>
                            <minus/>
                            <ci>E_NBC</ci>
                            <ci>V_m</ci>
                        </apply>
                    </apply>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NBC_HCO3</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless">3.0</cn>
                    <ci>J_NBC_Na</ci>
                </apply>
            </apply>
        </math>
    </component>
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        <rdf:Description xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" rdf:about="">
            <dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">A kinetic model of Na+/HCO3- cotransporter (NBC)</dc:title>
        </rdf:Description>
        <rdf:Description xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" rdf:about="#Oyehaug_2009_NBC">
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                            <rdf:li xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">protein module</rdf:li>
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</model>