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| 1 | +<?xml version="1.0" encoding="ISO-8859-1"?> |
| 2 | +<neuroml xmlns="http://www.neuroml.org/schema/neuroml2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.neuroml.org/schema/neuroml2 https://raw.github.com/NeuroML/NeuroML2/development/Schemas/NeuroML2/NeuroML_v2beta4.xsd" id="K_Pst"> |
| 3 | + |
| 4 | + <notes>NeuroML file containing a single Channel description</notes> |
| 5 | + |
| 6 | + <ionChannel id="K_Pst" conductance="10pS" type="ionChannelHH" species="k"> |
| 7 | + |
| 8 | + <notes>Slow inactivating K+ current |
| 9 | + |
| 10 | +Comment from original mod file: |
| 11 | +:Comment : The persistent component of the K current |
| 12 | +:Reference : : Voltage-gated K+ channels in layer 5 neocortical pyramidal neurones from young rats:subtypes and gradients,Korngreen and Sakmann, J. Physiology, 2000 |
| 13 | +:Comment : shifted -10 mv to correct for junction potential |
| 14 | +:Comment: corrected rates using q10 = 2.3, target temperature 34, orginal 21</notes> |
| 15 | + |
| 16 | + <annotation> |
| 17 | + <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"> |
| 18 | + <rdf:Description rdf:about="K_Pst"> |
| 19 | + |
| 20 | + <bqmodel:isDescribedBy xmlns:bqmodel="http://biomodels.net/model-qualifiers/"> |
| 21 | + <rdf:Bag> |
| 22 | + <rdf:li>Models of Neocortical Layer 5b Pyramidal Cells Capturing a Wide Range of Dendritic and Perisomatic Active Properties, |
| 23 | + Etay Hay, Sean Hill, Felix Schürmann, Henry Markram and Idan Segev, PLoS Comp Biol 2011</rdf:li> |
| 24 | + <rdf:li rdf:resource="http://www.ncbi.nlm.nih.gov/pubmed/21829333"/> |
| 25 | + </rdf:Bag> |
| 26 | + </bqmodel:isDescribedBy> |
| 27 | + |
| 28 | + |
| 29 | + <bqbiol:isVersionOf xmlns:bqbiol="http://biomodels.net/biology-qualifiers/"> |
| 30 | + <rdf:Bag> |
| 31 | + <rdf:li>K channels</rdf:li> |
| 32 | + <rdf:li rdf:resource="http://senselab.med.yale.edu/neurondb/channelGene2.aspx#table3"/> |
| 33 | + </rdf:Bag> |
| 34 | + </bqbiol:isVersionOf> |
| 35 | + |
| 36 | + </rdf:Description> |
| 37 | + </rdf:RDF> |
| 38 | + </annotation> |
| 39 | + |
| 40 | + <gate id="m" type="gateHHtauInf" instances="2"> |
| 41 | + <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> |
| 42 | + <timeCourse type="K_Pst_m_tau_tau"/> |
| 43 | + <steadyState type="HHSigmoidVariable" rate="1" scale="12mV" midpoint="-11mV"/> |
| 44 | + </gate> |
| 45 | + |
| 46 | + <gate id="h" type="gateHHtauInf" instances="1"> |
| 47 | + <q10Settings type="q10Fixed" fixedQ10="2.95288264"/> |
| 48 | + <timeCourse type="K_Pst_h_tau_tau"/> |
| 49 | + <steadyState type="HHSigmoidVariable" rate="1" scale="-11mV" midpoint="-64mV"/> |
| 50 | + </gate> |
| 51 | + |
| 52 | + </ionChannel> |
| 53 | + |
| 54 | + <ComponentType name="K_Pst_m_tau_tau" extends="baseVoltageDepTime"> |
| 55 | + <Constant name="TIME_SCALE" dimension="time" value="1 ms"/> |
| 56 | + <Constant name="VOLT_SCALE" dimension="voltage" value="1 mV"/> |
| 57 | + |
| 58 | + <Dynamics> |
| 59 | + <DerivedVariable name="V" dimension="none" value="v / VOLT_SCALE"/> |
| 60 | + <ConditionalDerivedVariable name="t" exposure="t" dimension="time"> |
| 61 | + <Case condition="V .lt. ( -60 )" value="( (1.25 + 175.03 * (exp ((V+10) * 0.026))) ) * TIME_SCALE"/> |
| 62 | + <Case value="( (1.25 + 13 * (exp ((V+10) * -0.026)))) * TIME_SCALE"/> |
| 63 | + </ConditionalDerivedVariable> |
| 64 | + </Dynamics> |
| 65 | + |
| 66 | + </ComponentType> |
| 67 | + |
| 68 | + <ComponentType name="K_Pst_h_tau_tau" extends="baseVoltageDepTime"> |
| 69 | + <Constant name="TIME_SCALE" dimension="time" value="1 ms"/> |
| 70 | + <Constant name="VOLT_SCALE" dimension="voltage" value="1 mV"/> |
| 71 | + |
| 72 | + <Dynamics> |
| 73 | + <DerivedVariable name="V" dimension="none" value="v / VOLT_SCALE"/> |
| 74 | + <DerivedVariable name="t" exposure="t" dimension="time" value="(360 + (1010 + 24*(V+65)) * (exp (-1 *((V+85)/48)*((V+85)/48)))) * TIME_SCALE"/> |
| 75 | + </Dynamics> |
| 76 | + |
| 77 | + </ComponentType> |
| 78 | + |
| 79 | +</neuroml> |
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