Summary

Name KCNJ11
Full Name ATP-sensitive inward rectifier potassium channel 11
Synonyms IKATP, Inward rectifier K(+) channel Kir6.2, Potassium channel, inwardly rectifying subfamily J member 11
Primary ID Q14654
Links - -
Type protein
Relations 3
Inhibitors phenformin
Function This receptor is controlled by G proteins. 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 (By similarity). Subunit of ATP-sensitive potassium channels (KATP). Can form cardiac and smooth muscle-type KATP channels with ABCC9. KCNJ11 forms the channel pore while ABCC9 is required for activation and regulation.

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Modifications Tables

Relations

Regulator Mechanism target score
+ down-regulates img/direct_inhibition.png phosphorylation KCNJ11 0.2
Publications: 1 Organism: Homo Sapiens
+ form complex img/form-complex.png binding KATP channel 0.652
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition KCNJ11 0.8
Publications: 1 Organism: Homo Sapiens