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- Table of Contents
2 Citations
Facts about Inward rectifier potassium channel 2.
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.
Human | |
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Gene Name: | KCNJ2 |
Uniprot: | P63252 |
Entrez: | 3759 |
Belongs to: |
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inward rectifier-type potassium channel (TC 1.A.2.1) family |
ATFB9; Cardiac inward rectifier potassium channel; HHBIRK1; HHIRK1; HIRK1; Inward rectifier K(+) channel Kir2.1; inward rectifier K+ channel KIR2.1; inward rectifier potassium channel 2; IRK1; IRK-1; IRK1LQT7; KCNJ2; Kir2.1; LQT7; Potassium channel, inwardly rectifying subfamily J member 2; potassium inwardly-rectifying channel, subfamily J, member 2; SQT3
Mass (kDA):
48.288 kDA
Human | |
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Location: | 17q24.3 |
Sequence: | 17; NC_000017.11 (70169532..70180044) |
Heart, brain, placenta, lung, skeletal muscle, and kidney. Diffusely distributed throughout the brain.
Membrane; Multi-pass membrane protein. Membrane; Lipid-anchor.
PMID: 7696590 by Raab-Graham K.F., et al. Molecular cloning and expression of a human heart inward rectifier potassium channel.
PMID: 7590287 by Wood L.S., et al. Cloning and functional expression of a human gene, hIRK1, encoding the heart inward rectifier K+-channel.
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