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K(+)/Na(+) selectivity in K-channels and Valinomycin: Over-coordination Vs Cavity-size constraints

K-channels and valinomycin molecules share the exquisite ability to select K(+) over Na(+) ions. Highly selective K-channels maintain a special local environment around their binding sites devoid of competing hydrogen bond donor groups, which enables spontaneous transfer of K(+) from states of low c...

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Detalhes bibliográficos
Main Authors: Varma, Sameer, Sabo, Dubravko, Rempe, Susan B.
Formato: Artigo
Idioma:Inglês
Publicado em: 2007
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2390915/
https://ncbi.nlm.nih.gov/pubmed/18155244
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jmb.2007.11.059
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