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Protonation of the Human PIEZO1 Ion Channel Stabilizes Inactivation

PIEZO1 is a recently cloned eukaryotic cation-selective channel that opens with mechanical force. We found that extracellular protonation inhibits channel activation by ≈90% by increased occupancy in the closed or the inactivated state. Titration between pH 6.3 and 8.3 exhibited a pK of ≈6.9. The st...

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Detalhes bibliográficos
Publicado no:J Biol Chem
Main Authors: Bae, Chilman, Sachs, Frederick, Gottlieb, Philip A.
Formato: Artigo
Idioma:Inglês
Publicado em: American Society for Biochemistry and Molecular Biology 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4335250/
https://ncbi.nlm.nih.gov/pubmed/25561736
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1074/jbc.M114.604033
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