Reaction: 2 cob(I)alamin + NAD+ = 2 cob(II)alamin + NADH + H+
Other name(s): vitamin B12r reductase; B12r reductase; NADH2:cob(II)alamin oxidoreductase
Systematic name: cob(I)alamin:NAD+ oxidoreductase
Comments: A flavoprotein.
Links to other databases: BRENDA, EXPASY, KEGG, CAS registry number: 37256-40-9
References:
1. Walker, G.A., Murphy, S. and Huennekens, F.M. Enzymatic conversion of vitamin B12a to adenosyl-B12: evidence for the existence of two separate reducing systems. Arch. Biochem. Biophys. 134 (1969) 95-102. [PMID: 4390543]