Article
The highly conserved extracellular peptide, DSYG(893-896), is a critical structure for sodium pump function.
European journal of biochemistry - 1 Oct 2004
Becker Susanne, Schneider Heike, Scheiner-Bobis Georgios
Abstract excerpt
The peptide sequence DSYG(893-896) of the sheep sodium pump alpha 1 subunit is highly conserved among all K(+)-transporting P-type ATPases. To obtain information about its function, single mutations were introduced and the mutants were expressed in yeast and analysed for enzymatic activity, ion recognition, and alpha/beta subunit interactions. Mutants of Ser894 or Tyr895 were all active. Conservative...
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