(R)-2-hydroxyglutaryl-CoA dehydratase activating ATPase

UniProtKB accession:  P11568

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UniProtKB description:  Involved in the fermentation of L-glutamate via the hydroxyglutarate pathway. HgdC (CompA) has a very low ATPase activity, whose the role is to activate dehydratase HgdA-HgdB complex and then maintain an appropriate redox state via an ATP-dependent electron transfer. The dehydratase requires only catalytic amounts of ATP and substoichiometric amounts of HgdC (CompA) to be functional.