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Diffusion, Exclusion, and Specific Binding in a Large Channel: A Study of OmpF Selectivity Inversion

We find that moderate cationic selectivity of the general bacterial porin OmpF in sodium and potassium chloride solutions is inversed to anionic selectivity in concentrated solutions of barium, calcium, nickel, and magnesium chlorides. To understand the origin of this phenomenon, we consider several...

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Autori principali: Alcaraz, Antonio, Nestorovich, Ekaterina M., López, M. Lidón, García-Giménez, Elena, Bezrukov, Sergey M., Aguilella, Vicente M.
Natura: Artigo
Lingua:Inglês
Pubblicazione: The Biophysical Society 2009
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC2710040/
https://ncbi.nlm.nih.gov/pubmed/19134471
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.bpj.2008.09.024
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