Term Name:	nicotinamide phosphoribosyltransferase activity
Synonyms:	nicotinamide mononucleotide pyrophosphorylase activity, nicotinamide mononucleotide synthetase activity, nicotinamide-nucleotide:diphosphate phospho-alpha-D-ribosyltransferase activity, NMN diphosphorylase activity, NMN pyrophosphorylase activity, NMN synthetase activity
Definition:	Catalysis of the reaction: diphosphate + nicotinamide mononucleotide = 5-phospho-alpha-D-ribose 1-diphosphate + H+ + nicotinamide.
Ontology:	GO: Molecular Function [GO:0047280]    QuickGO    AmiGO