Τρίτη 10 Ιανουαρίου 2017

Arginine substitution of a cysteine in transmembrane helix M8 converts Na+,K+-ATPase to an electroneutral pump similar to H+,K+-ATPase [Biochemistry]

Na+,K+-ATPase and H+,K+-ATPase are electrogenic and nonelectrogenic ion pumps, respectively. The underlying structural basis for this difference has not been established, and it has not been revealed how the H+,K+-ATPase avoids binding of Na+ at the site corresponding to the Na+-specific site of the Na+,K+-ATPase (site III). In this study,...

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