KCNJ2 report

I. Expression across cell types

II. Expression across tissues

sc-RNAseq data

Insufficient scRNA-seq data for expression of KCNJ2 at tissue level.

III. Associated gene sets

GO_0086012Biological processmembrane depolarization during cardiac muscle cell action potential
GO_1901381Biological processpositive regulation of potassium ion transmembrane transport
GO_0006813Biological processpotassium ion transport
GO_0014861Biological processregulation of skeletal muscle contraction via regulation of action potential
GO_0071260Biological processcellular response to mechanical stimulus
GO_0086002Biological processcardiac muscle cell action potential involved in contraction
GO_0086004Biological processregulation of cardiac muscle cell contraction
GO_0086011Biological processmembrane repolarization during action potential
GO_0055119Biological processrelaxation of cardiac muscle
GO_0086013Biological processmembrane repolarization during cardiac muscle cell action potential
GO_0071805Biological processpotassium ion transmembrane transport
GO_0034765Biological processregulation of monoatomic ion transmembrane transport
GO_0060306Biological processregulation of membrane repolarization
GO_0086091Biological processregulation of heart rate by cardiac conduction
GO_0015693Biological processmagnesium ion transport
GO_0030007Biological processintracellular potassium ion homeostasis
GO_0060075Biological processregulation of resting membrane potential
GO_0090076Biological processrelaxation of skeletal muscle
GO_1990573Biological processpotassium ion import across plasma membrane
GO_0051289Biological processprotein homotetramerization
GO_0098978Cellular componentglutamatergic synapse
GO_0005886Cellular componentplasma membrane
GO_0043197Cellular componentdendritic spine
GO_0016020Cellular componentmembrane
GO_0043025Cellular componentneuronal cell body
GO_0030315Cellular componentT-tubule
GO_0045211Cellular componentpostsynaptic membrane
GO_0008076Cellular componentvoltage-gated potassium channel complex
GO_0014704Cellular componentintercalated disc
GO_0005546Molecular functionphosphatidylinositol-4,5-bisphosphate binding
GO_0042802Molecular functionidentical protein binding
GO_0086008Molecular functionvoltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization
GO_0005242Molecular functioninward rectifier potassium channel activity
GO_0005515Molecular functionprotein binding

IV. Literature review

[source]
Gene nameKCNJ2
Protein nameInward rectifier potassium channel 2 (Cardiac inward rectifier potassium channel) (Inward rectifier K(+) channel Kir2.1) (IRK-1) (hIRK1) (Potassium channel, inwardly rectifying subfamily J member 2)
SynonymsIRK1
DescriptionFUNCTION: Probably participates in establishing action potential waveform and excitability of neuronal and muscle tissues . Inward rectifier potassium channels are characterized by a greater tendency to allow potassium to flow into the cell rather than out of it . Their voltage dependence is regulated by the concentration of extracellular potassium; as external potassium is raised, the voltage range of the channel opening shifts to more positive voltages . The inward rectification is mainly due to the blockage of outward current by internal magnesium . Can be blocked by extracellular barium or cesium . .

AccessionsENST00000243457.4
P63252
ENST00000535240.1