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Ion Selectivity in the KcsA Potassium Channel from the Perspective of the Ion Binding Site
To understand the thermodynamic exclusion of Na(+) relative to K(+) from the S(2) site of the selectivity filter, the distribution P(X)(ɛ) (X = K(+) or Na(+)) of the binding energy (ɛ) of the ion with the channel is analyzed using the potential distribution theorem. By expressing the excess chemical...
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| Autori principali: | , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
The Biophysical Society
2009
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2717285/ https://ncbi.nlm.nih.gov/pubmed/19289040 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.bpj.2008.12.3917 |
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