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P-Loop Residues Critical for Selectivity in K(+) Channels Fail to Confer Selectivity to Rabbit HCN4 Channels

HCN channels are thought to be structurally similar to K(v) channels, but show much lower selectivity for K(+). The ∼3.3 Å selectivity filter of K(+) channels is formed by the pore-lining sequence XT(V/I)GYG, with X usually T, and is held stable by key residues in the P-loop. Differences in the P-lo...

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Autors principals: D'Avanzo, Nazzareno, Pekhletski, Roman, Backx, Peter H.
Format: Artigo
Idioma:Inglês
Publicat: Public Library of Science 2009
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC2766643/
https://ncbi.nlm.nih.gov/pubmed/19890386
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0007712
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