ID 2.1.1.280 DE selenocysteine Se-methyltransferase. CA S-methyl-L-methionine + L-selenocysteine = Se-methyl-L-selenocysteine + CA L-methionine + H(+). CC -!- The enzyme uses S-adenosyl-L-methionine as methyl donor less actively CC than S-methyl-L-methionine. CC -!- The enzyme from broccoli (Brassica oleracea var. italica) also has CC the activity of EC 2.1.1.10. CC -!- Formerly EC 2.1.1.n3. DR P56707, SMTA_ASTBI ; Q4VNK0, SMTA_BRAOT ; //