ENTRY       EC 2.4.2.12
NAME        Nicotinamide phosphoribosyltransferase
            NMN pyrophosphorylase
CLASS       Transferases
            Glycosyltransferases
            Pentosyltransferases
SYSNAME     Nicotinamide-nucleotide:
            $pyrophosphate phospho-alpha-D-ribosyltransferase
REACTION    Nicotinamide D-ribonucleotide + Pyrophosphate = Nicotinamide +
            5-Phospho-alpha-D-ribose 1-diphosphate
SUBSTRATE   Nicotinamide D-ribonucleotide
            Pyrophosphate
PRODUCT     Nicotinamide
            5-Phospho-alpha-D-ribose 1-diphosphate
PATHWAY     PATH: MAP00760  Nicotinate and nicotinamide metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 2.4.2.12
            WIT (What Is There) Metabolic Reconstruction: 2.4.2.12
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