Tags: Enzyme.
In enzymology a homocysteine S-methyltransferase (EC 2.1.1.10) is an enzyme that catalyzes the chemical reactionS-adenosyl-L-methionine + L-homocysteine S-adenosyl-L-homocysteine + L-methionineThus the two substrates of this enzyme are S-adenosyl methionine and L-homocysteine whereas its two products are S-adenosylhomocysteine and L-methionine.This enzyme belongs to the family of transferases specifically those transferring one-carbon group methyltransferases.