AC PRU00888; DC Domain; c? =872> and TR PROSITE; PS51555; SAM_MT12; 1; level=0 XX Names: Methionine S-methyltransferase (EC 2.1.1.12) Function: Methionine S-methyltransferase (EC 2.1.1.12) is an enzyme that transfers a methyl group from S-adenosyl-L-methionine (SAM) to L-methionine to form S-methyl-L-methionine and S-adenosyl-L-homocysteine. XX DE + RecName: EC=2.1.1.12; XX CC -!- CATALYTIC ACTIVITY: CC Reaction=L-methionine + S-adenosyl-L-methionine = S-adenosyl-L- CC homocysteine + S-methyl-L-methionine; Xref=Rhea:RHEA:13761, CC ChEBI:CHEBI:57844, ChEBI:CHEBI:57856, ChEBI:CHEBI:58252, CC ChEBI:CHEBI:59789; EC=2.1.1.12; CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase CC superfamily. XX GO GO:0030732; F:methionine S-methyltransferase activity GO GO:0032259; P:methylation 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: Q9SWR3; Scope: Eukaryota; Magnoliopsida Comments: None; XX # Revision 1.10 2019/11/21 //