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Modulation by calcium of the potassium permeability of dog heart sarcolemmal vesicles.

The movement of K+ in heart sarcolemmal vesicles has been followed through the opposing movement of the tetraphenylphosphonium ion. Ca2+ (5-50 microM) stimulates the efflux of K+ from K+-loaded vesicles [Km(Ca2+) approximately equal to 10 microM]. and the activation requires that Ca2+ be present ins...

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Detalhes bibliográficos
Main Authors: Caroni, P, Carafoli, E
Formato: Artigo
Idioma:Inglês
Publicado em: 1982
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC346990/
https://ncbi.nlm.nih.gov/pubmed/6964387
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