Characterization of the presumptive phosphorylation sites of the Bacillus subtilis glucose permease by site-directed mutagenesis: implication in glucose transport and catabolite repression.

Abstract excerpt

Bacillus subtilis utilizes glucose as the preferred source of carbon and energy. Glucose is transported and concomitantly phosphorylated by the glucose permease (PtsG) of the phosphoenolpyruvate:sugar phosphotransferase system. The phosphate is transferred from enzyme I via HPr and domains IIA and IIB of the glucose permease to the sugar. In this study mutants affected in the putative phosphorylation sites of...

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