ID 2.1.1.12 DE methionine S-methyltransferase. CA L-methionine + S-adenosyl-L-methionine = S-adenosyl-L-homocysteine + CA S-methyl-L-methionine. DR Q9LTB2, MMT1_ARATH ; Q9MBC2, MMT1_HORVU ; Q8W519, MMT1_MAIZE ; DR Q9SWR3, MMT1_WOLBI ; //