Protein: (R)-2-hydroxyglutaryl-CoA dehydratase activating ATPase (EC 3.6.1.-) ((R)-2-hydroxyglutaryl-CoA dehydratase activase) ((R)-2-hydroxyglutaryl-CoA dehydratase, component A) (ATP-coupled electron transfer protein HgdC) (Activator of (R)-2-hydroxyglutaryl-CoA dehydratase)