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The role of a single aspartate residue in ionic selectivity and block of a murine inward rectifier K+ channel Kir2.1.

1. The effects of Rb+ and Cs+ as blocking ions were investigated on wild-type and mutant forms of the inward rectifier K+ channel, IRK1 (Kir2.1). 2. In wild-type channels, Rb+ blockage was voltage dependent, increasing and then falling with increasing hyperpolarization. 3. Rb+ blockage was abolished...

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Main Authors: Abrams, C J, Davies, N W, Shelton, P A, Stanfield, P R
Formato: Artigo
Idioma:Inglês
Publicado: 1996
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Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC1159014/
https://ncbi.nlm.nih.gov/pubmed/8799888
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