AC PRU00893; DC Domain; c? =229> and TR PROSITE; PS51560; SAM_MT_NNT1; 1; level=0 XX Names: Nicotinamide N-methyltransferase (EC 2.1.1.1) Function: Nicotinamide N-methyltransferase (EC 2.1.1.1) is an enzyme that transfers a methyl group from S-adenosyl-L-methionine (SAM) to nicotinamide to form 1-methylnicotinamide and S-adenosyl-L-homocysteine. XX DE + RecName: EC=2.1.1.1; XX CC -!- CATALYTIC ACTIVITY: CC Reaction=nicotinamide + S-adenosyl-L-methionine = 1-methylnicotinamide CC + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:23884, ChEBI:CHEBI:16797, CC ChEBI:CHEBI:17154, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789; EC=2.1.1.1; CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase CC superfamily. NNT1 family. XX GO GO:0008112; F:nicotinamide N-methyltransferase activity GO GO:0032259; P:methylation GO GO:0046500; P:S-adenosylmethionine metabolic process XX KW Methyltransferase KW S-adenosyl-L-methionine KW Transferase XX Chop: Nter=0; Cter=0; Size: unlimited; Related: None; Repeats: 1; Topology: Undefined; Example: Q9UT28; Scope: Eukaryota; Dikarya Comments: None; XX # Revision 1.9 2019/11/21 //