IUBMB Enzyme Nomenclature


Accepted name: nicotinamide phosphoribosyltransferase

Reaction: nicotinamide D-ribonucleotide + diphosphate = nicotinamide + 5-phospho-α-D-ribose 1-diphosphate

For diagram of reaction click here.

Other name(s): NMN pyrophosphorylase; nicotinamide mononucleotide pyrophosphorylase; nicotinamide mononucleotide synthetase; NMN synthetase; nicotinamide-nucleotide:diphosphate phospho-α-D-ribosyltransferase

Systematic name: nicotinamide-D-ribonucleotide:diphosphate phospho-α-D-ribosyltransferase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9030-27-7


1. Preiss, J. and Handler, P. Enzymatic synthesis of nicotinamide mononucleotide. J. Biol. Chem. 225 (1957) 759-770.

[EC created 1961]

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