the soluble hydrogenase ( hydrogen : nad+ oxidoreductase , ec 1.12.1.2 ) from alcaligenes eutrophus h 16 was purified 68-fold with a yield of 20 % and a final specific activity ( nad reduction ) of about 54 mumol h2 oxidized/min per mg protein .
C0020284
hydrogenase
C0030016
oxidoreductase