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A Tyrosine Substitution in the Cavity Wall of a K Channel Induces an Inverted Inactivation

Ion permeation and gating kinetics of voltage-gated K channels critically depend on the amino-acid composition of the cavity wall. Residue 470 in the Shaker K channel is an isoleucine, making the cavity volume in a closed channel insufficiently large for a hydrated K(+) ion. In the cardiac human eth...

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Detalhes bibliográficos
Main Authors: Klement, Göran, Nilsson, Johanna, Århem, Peter, Elinder, Fredrik
Formato: Artigo
Idioma:Inglês
Publicado em: The Biophysical Society 2008
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2275704/
https://ncbi.nlm.nih.gov/pubmed/18192362
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1529/biophysj.107.119842
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