Neha Patil (Editor)

Aquacobalamin reductase

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EC number
  
1.16.1.3

IntEnz
  
IntEnz view

ExPASy
  
NiceZyme view

CAS number
  
37256-39-6

BRENDA
  
BRENDA entry

KEGG
  
KEGG entry

Aquacobalamin reductase (EC 1.16.1.3) is an enzyme that catalyzes the chemical reaction

2 cob(II)alamin + NAD+ 2 aquacob(III)alamin + NADH + H+

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.

This enzyme belongs to the family of oxidoreductases, specifically those oxidizing metal ion with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is cob(II)alamin:NAD+ oxidoreductase. Other names in common use include aquocobalamin reductase, vitamin B12a reductase, NADH-linked aquacobalamin reductase, B12a reductase, and NADH2:cob(III)alamin oxidoreductase. This enzyme participates in porphyrin and chlorophyll metabolism. It employs one cofactor, FAD.

References

Aquacobalamin reductase Wikipedia