ENTRY       EC 2.1.1.12
NAME        Methionine S-methyltransferase
CLASS       Transferases
            Transferring one-carbon groups
            Methyltransferases
SYSNAME     S-Adenosyl-L-methionine:L-methionine S-methyltransferase
REACTION    S-Adenosyl-L-methionine + L-Methionine =
            S-Adenosyl-L-homocysteine + S-Methyl-L-methionine
SUBSTRATE   S-Adenosyl-L-methionine
            L-Methionine
PRODUCT     S-Adenosyl-L-homocysteine
            S-Methyl-L-methionine
COFACTOR    Zn2+
            Mn2+
COMMENT     Requires Zn2+ or Mn2+.
PATHWAY     PATH: MAP00450  Selenoamino acid metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 2.1.1.12
            WIT (What Is There) Metabolic Reconstruction: 2.1.1.12
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