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KCNK10, also known as Potassium channel subfamily K member 10, has 3 isoforms, Isoform A that is 538 amino acid and app. 60 kDa, Isoform B that is 543 amino acid and app. 60 kDa, and Isoform C That is 543 amino acid and app. 60 kDa; expressed in pancreas and kidney and to a lower level in brain, testis, colon, and small intestine; belongs to the family of potassium channel proteins containing two pore-forming P domains; outwards rectifying potassium channel, produces rapidly activating and non-inactivating outward rectifier K(+) currents, activated by arachidonic acid and other naturally occurring unsaturated free fatty acids. Studies are being performed on the relationship of this protein with dentin sensitivity, brain ischemia, and ischemia. The protein has been shown to interact with AKAP150 protein and has been involved in several pathways including cholera infection, neuropathic pain-signaling in dorsal horn neurons, hepatic ABC transporters, PKA signaling, potassium transporters - outward current, gastric, and sweet taste signaling.