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Chemical substitutions in the selectivity filter of potassium channels do not rule out constricted-like conformations for C-type inactivation

In many K(+) channels, prolonged activating stimuli lead to a time-dependent reduction in ion conduction, a phenomenon known as C-type inactivation. X-ray structures of the KcsA channel suggest that this inactivated state corresponds to a “constricted” conformation of the selectivity filter. However...

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Pubblicato in:Proc Natl Acad Sci U S A
Autori principali: Li, Jing, Ostmeyer, Jared, Boulanger, Eliot, Rui, Huan, Perozo, Eduardo, Roux, Benoît
Natura: Artigo
Lingua:Inglês
Pubblicazione: National Academy of Sciences 2017
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC5651753/
https://ncbi.nlm.nih.gov/pubmed/28973956
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1706983114
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