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J. Bacteriol. doi:10.1128/JB.01575-06
Copyright (c) 2006, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Interaction of GapA with HPr and its homologue Crh: A novel regulation level of a key step of glycolysis in Bacillus subtilis?

Laboratoire de Chimie Bactérienne, UPR 9043, IBSM-CNRS, 31 chemin Joseph Aiguier, 13402 Marseille cedex 20, France

^* To whom correspondence should be addressed. Email: galinier{at}ibsm.cnrs-mrs.fr.

	Abstract

In Bacillus subtilis cells, we identified a new partner of HPr, an enzyme of the glycolysis pathway, the glyceraldehyde-3-phosphate dehydrogenase, GapA. We showed that, in vitro, phosphorylated and unphosphorylated forms of HPr and its homologue Crh could interact with GapA, but only their seryl-phosphorylated forms were able to inhibit its activity.

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