Tags: Enzyme.
In enzymology a hydrogenobyrinic acid ac-diamide synthase (glutamine-hydrolysing) (EC 6.3.5.9) is an enzyme that catalyzes the chemical reaction2 ATP + hydrogenobyrinic acid + 2 L-glutamine + 2 H2O 2 ADP + 2 phosphate + hydrogenobyrinic acid ac-diamide + 2 L-glutamateThe 4 substrates of this enzyme are ATP hydrogenobyrinic acid L-glutamine and H2O whereas its 4 products are ADP phosphate hydrogenobyrinic acid ac-diamide and L-glutamate.This enzyme belongs to the family of ligases specifically those forming carbon-nitrogen bonds carbon-nitrogen ligases with glutamine as amido-N-donor.