. "Catalysis of the reaction: S-adenosyl-L-methionine(1+) + dimethyl sulfide = S-adenosyl-L-homocysteine + trimethylsulfonium." . . . "thioether S-methyltransferase activity" . "S-adenosyl-L-methionine:dimethyl-sulfide S-methyltransferase activity" . "S-adenosyl-L-methionine:thioether S-methyltransferase activity" . "thioether methyltransferase activity" . .