Disease related genes, FDA approved drug targets, Human disease related genes, Transporters, Voltage-gated ion channels
Intracellular, Membrane (different isoforms)
Cell type enhanced (Rod photoreceptor cells, Cone photoreceptor cells, Excitatory neurons, Bipolar cells, Inhibitory neurons)
Not detected in immune cells
Cell line enhanced (ASC diff, CACO-2, HL-60, hTCEpi, U-2 OS)
Homotetramer or heterotetramer with KCNB2 (PubMed:8081723, PubMed:1283219). Heterotetramer with non-conducting channel-forming alpha subunits such as KCNF1, KCNG1, KCNG3, KCNG4, KCNH1, KCNH2, KCNS1, KCNS2, KCNS3 and KCNV1 (PubMed:10484328, PubMed:11852086, PubMed:12060745, PubMed:19357235, PubMed:19074135, PubMed:19717558, PubMed:24901643). Channel activity is regulated by association with ancillary beta subunits such as AMIGO1, KCNE1, KCNE2 and KCNE3 (By similarity). Self-associates (via N-terminus and C-terminus) (PubMed:12560340, PubMed:24901643); self-association is required to regulate trafficking, gating and C-terminal phosphorylation-dependent modulation of the channel (By similarity). Interacts (via C-terminus) with STX1A (via C-terminus); this decreases the rate of channel activation and increases the rate of channel inactivation in pancreatic beta cells, induces also neuronal apoptosis in response to oxidative injury as well as pore-independent enhancement of exocytosis in neuroendocrine cells, chromaffin cells, pancreatic beta cells and from the soma of dorsal root ganglia (DRG) neurons. Interacts (via N-terminus) with SNAP25; this decreases the rate of channel inactivation in pancreatic beta cells and also increases interaction during neuronal apoptosis in a N-methyl-D-aspartate receptor (NMDAR)-dependent manner. Interacts (via N-terminus and C-terminus) with VAMP2 (via N-terminus); stimulates channel inactivation rate. Interacts with CREB1; this promotes channel acetylation in response to stimulation of incretin hormones. Interacts (via N-terminus and C-terminus) with MYL12B. Interacts (via N-terminus) with PIAS3; this increases the number of functional channels at the cell surface (By similarity). Interacts with SUMO1 (PubMed:19223394). Interacts (via phosphorylated form) with PTPRE; this reduces phosphorylation and channel activity in heterologous cells (By similarity).
Ion channel, Potassium channel, Voltage-gated channel
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For Research Use Only. Not For Clinical Use.