Reaction: dimethylsulfonioacetate + L-homocysteine = (methylsulfanyl)acetate + L-methionine
Glossary: thetin = sulfobetaine = dimethylsulfonioacetate
Other name(s): dimethylthetin-homocysteine methyltransferase; thetin-homocysteine methylpherase
Systematic name: dimethylsulfonioacetate:L-homocysteine S-methyltransferase
Links to other databases: BRENDA, EXPASY, GTD, KEGG, Metacyc, CAS registry number: 9029-76-9
References:
1. Klee, W.A., Richards, H.H. and Cantoni, G.L. The synthesis of methionine by enzymic transmethylation. VII. Existence of two separate homocysteine methylpherases on mammalian liver. Biochim. Biophys. Acta 54 (1961) 157-164.
2. Maw, G.A. Thetin-homocysteine transmethylase. A preliminary manometric study of the enzyme from rat liver. Biochem. J. 63 (1956) 116-124.
3. Maw, G.A. Thetin-homocysteine transmethylase. Some further characteristics of the enzyme from rat liver. Biochem. J. 70 (1958) 168-173.