Aquacobalamin reductase
Aquacobalamin reductase (EC1.16.1.3) is an enzyme that catalyzes the chemical reaction
Thus, the two substrates of this enzyme are cob(II)alamin and nicotinamide adenine dinucleotide ion, whereas its 3 products are aquacob(III)alamin, nicotinamide adenine dinucleotide, and hydrogen ion.