2.1.1.269 S,S-dimethyl-beta-propiothetin + tetrahydrofolate = 3-(methylsulfanyl)propanoate + 5-methyltetrahydrofolate - - 2.1.1.269 S,S-dimethyl-beta-propiothetin + tetrahydrofolate = 3-(methylsulfanyl)propanoate + 5-methyltetrahydrofolate concerted mechanism in which methyl transfer is coupled to proton transfer -, 720998 2.1.1.269 S,S-dimethyl-beta-propiothetin + tetrahydrofolate = 3-(methylsulfanyl)propanoate + 5-methyltetrahydrofolate DmdA catalyzes a redox-neutral methyl transfer reaction to produce 5-methyltetrahydrofolate, mechanism, overview 720998