Article
The desensitization gating of the MthK K+ channel is governed by its cytoplasmic amino terminus.
PLoS biology - 28 Oct 2008
Kuo Mario Meng-Chiang, Maslennikov Innokentiy, Molden Brent, Choe Senyon
Abstract excerpt
The RCK-containing MthK channel undergoes two inactivation processes: activation-coupled desensitization and acid-induced inactivation. The acid inactivation is mediated by the C-terminal RCK domain assembly. Here, we report that the desensitization gating is governed by a desensitization domain (DD) of the cytoplasmic N-terminal 17 residues. Deletion of DD completely removes the desensitization, and the process...
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