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A Mutation in S6 of Shaker Potassium Channels Decreases the K(+) Affinity of an Ion Binding Site Revealing Ion–Ion Interactions in the Pore
Under physiological conditions, potassium channels are extraordinarily selective for potassium over other ions. However, in the absence of potassium, certain potassium channels can conduct sodium. Sodium flux is blocked by the addition of low concentrations of potassium. Potassium affinity, and ther...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
The Rockefeller University Press
1998
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2525752/ https://www.ncbi.nlm.nih.gov/pubmed/9689030 |