Protein
(R)-2-hydroxyglutaryl-CoA dehydratase activating ATPase
Organism
Acidaminococcus fermentans (strain ATCC 25085 / DSM 20731 / VR4)
Function
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.
Similarity
Belongs to the HgdC family.
Sequence
MSIYTLGIDVGSTASKCIILKDGKEIVAKSLVAVGTGTSGPARSISEVLENAHMKKEDMAFTLATGYGRNSLEGIADKQMSELSCHAMGASFIWPNVHTVIDIGGQDVKVIHVENGTMTNFQMNDKCAAGTGRFLDVMANILEVKVSDLAELGAKSTKRVAISSTCTVFAESEVISQLSKGTDKIDIIAGIHRSVASRVIGLANRVGIVKDVVMTGGVAQNYGVRGALEEGLGVEIKTSPLAQYNGALGAALYAYKKAAK