Article
Kir6.2 mutations causing neonatal diabetes provide new insights into Kir6.2-SUR1 interactions.
The EMBO journal - 6 Jul 2005
Tammaro Paolo, Girard Christophe, Molnes Janne, Njølstad Pål R, Ashcroft Frances M
Abstract excerpt
ATP-sensitive K(+) (K(ATP)) channels, comprised of pore-forming Kir6.2 and regulatory SUR1 subunits, play a critical role in regulating insulin secretion. Binding of ATP to Kir6.2 inhibits, whereas interaction of MgATP with SUR1 activates, K(ATP) channels. We tested the functional effects of two Kir6.2 mutations (Y330C, F333I) that cause permanent neonatal diabetes mellitus, by heterologous expression in Xenopus...
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