Molecule Details
| General Information of the Molecule | ||||
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| Name |
Potassium channel J5 Kir3.4 (KCNJ5)
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| Synonyms |
Potassium channel, inwardly rectifying, subfamily J, member 5; KCNJ5; KATP-1; KATP channel; Inward rectifier K+ channel Kir3.4; Heart KATP channel; GIRK4; Cardiac inward rectifier; CIR
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| Gene Name |
KCNJ5
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| Gene ID | ||||
| Sequence |
MAGDSRNAMNQDMEIGVTPWDPKKIPKQARDYVPIATDRTRLLAEGKKPRQRYMEKSGKC
NVHHGNVQETYRYLSDLFTTLVDLKWRFNLLVFTMVYTVTWLFFGFIWWLIAYIRGDLDH VGDQEWIPCVENLSGFVSAFLFSIETETTIGYGFRVITEKCPEGIILLLVQAILGSIVNA FMVGCMFVKISQPKKRAETLMFSNNAVISMRDEKLCLMFRVGDLRNSHIVEASIRAKLIK SRQTKEGEFIPLNQTDINVGFDTGDDRLFLVSPLIISHEINQKSPFWEMSQAQLHQEEFE VVVILEGMVEATGMTCQARSSYMDTEVLWGHRFTPVLTLEKGFYEVDYNTFHDTYETNTP SCCAKELAEMKREGRLLQYLPSPPLLGGCAEAGLDAEAEQNEEDEPKGLGGSREARGSV Click to Show/Hide
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| Function |
This potassium channel 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 external barium.
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| Uniprot ID | ||||
| Pfam | ||||
| TTD ID | ||||
| Natural Product(s) of This Target | ||||
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| 1 | 12-O-tetradecanoyl phorbol-13-acetate | NP Info | Phase 2 | Homo sapiens |
| References | ||||
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| Reference 1 | Molecular basis for the inhibition of G protein-coupled inward rectifier K(+) channels by protein kinase C. Proc Natl Acad Sci U S A. 2004 Jan 27;101(4):1087-92. | |||