External barium influences the gating charge movement of Shaker potassium channels.

External Ba2+ speeds the OFF gating currents (IgOFF) of Shaker K+ channels but only upon repolarization from potentials that are expected to open the channel pore. To study this effect we used a nonconducting and noninactivating mutant of the Shaker K+ channel, ShH4-IR (W434F). External Ba2+ slightl...

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Main Authors: Hurst, R S, Roux, M J, Toro, L, Stefani, E
Format: Artigo
Sprog:Inglês
Udgivet: 1997
Fag:
Research Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC1184298/
https://ncbi.nlm.nih.gov/pubmed/8994594
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