| aquacobalamin | Vitamin B12a (tautomeric with B12b);a cobalamin derivative in which the sixth coordinate bond of the cobaltic ion is attached to a water molecule. See: vitamin B12. Synonym: aquocobalamin. (05 Mar 2000) |
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| aquacobalamin reductase | <enzyme> Found in bacteria and vertebrates; catalyses the reduction of 2 aquacob(iii)alamin to 2 cob(ii)alamin in the presence of NADH; see also aquacobalamin reductase (NADPH) (EC 1.6.99.11) Registry number: EC 1.6.99.8 Synonym: NADH-linked aquacobalamine reductase, cob(iii)alamin reductase, aquacobalamine reductase (NADH) (26 Jun 1999) |