Article
The role of lysine 185 in the kir6.2 subunit of the ATP-sensitive channel in channel inhibition by ATP.
The Journal of physiology - 1 Nov 1999
Reimann F, Ryder T J, Tucker S J, Ashcroft F M
Abstract excerpt
1. ATP-sensitive potassium (KATP) channels are composed of pore-forming Kir6.2 and regulatory SUR subunits. A truncated isoform of Kir6.2, Kir6.2DeltaC26, forms ATP-sensitive channels in the absence of SUR1, suggesting the ATP-inhibitory site lies on Kir6.2. 2. Previous studies have shown that mutation of the lysine residue at position 185 (K185) in the C-terminus of Kir6.2 to glutamine, decreased the channel...
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