IUBMB Enzyme Nomenclature


Accepted name: nicotinamide-nucleotide amidase

Reaction: β-nicotinamide D-ribonucleotide + H2O = β-nicotinate D-ribonucleotide + NH3

Other name(s): NMN deamidase; nicotinamide mononucleotide deamidase; nicotinamide mononucleotide amidohydrolase

Systematic name: nicotinamide-D-ribonucleotide amidohydrolase

Comments: Also acts more slowly on β-nicotinamide D-ribonucleoside.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 37355-58-1


1. Imai, T. Purification and properties of nicotinamide mononucleotide amidohydrolase from Azotobacter vinelandii. J. Biochem. (Tokyo) 73 (1973) 139-153. [PMID: 4144084]

[EC created 1976]

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