Effects of mutations and truncations on the kinetic behavior of IIAGlc, a phosphocarrier and regulatory protein of the phosphoenolpyruvate phosphotransferase system of Escherichia coli.

Abstract excerpt

IIAGlc, a component of the glucose-specific phosphoenolpyruvate:phosphotransferase system (PTS) of Escherichia coli, is important in regulating carbohydrate metabolism. In Glc uptake, the phosphotransfer sequence is: phosphoenolpyruvate --> Enzyme I --> HPr --> IIAGlc --> IICBGlc --> Glc. (HPr is the first phosphocarrier protein of the PTS.) We previously reported two classes of IIAGlc mutations that...

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