Phosphotransferase system sugars immediately induce mutations of Cra in an Escherichia coli ptsH mutant.

Abstract excerpt

Most bacteria use the phosphoenolpyruvate (PEP):sugar phosphotransferase system (PTS) to catalyse coupled transport and phosphorylation of sugars. The PTS consists of several sugar-specific components (enzyme IIs) and two general components: enzyme I, encoded by ptsI, and HPr, encoded by ptsH, which are common to most PTS carbohydrates. Although both enzyme I and HPr are believed to be required to utilize these...

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