Tags: Enzyme.
In enzymology a hydrogenase (acceptor) (EC 1.12.99.6) is an enzyme that catalyzes the chemical reactionH2 + A AH2Thus the two substrates of this enzyme are H2 and A whereas its product is AH2.This enzyme belongs to the family of oxidoreductases specifically those acting on hydrogen as donor with other acceptors. The systematic name of this enzyme class is hydrogen:acceptor oxidoreductase.