Tags: Enzyme.
In enzymology a columbamine O-methyltransferase (EC 2.1.1.118) is an enzyme that catalyzes the chemical reactionS-adenosyl-L-methionine + columbamine S-adenosyl-L-homocysteine + palmatineThus the two substrates of this enzyme are S-adenosyl methionine and columbamine whereas its two products are S-adenosylhomocysteine and palmatine.This enzyme belongs to the family of transferases specifically those transferring one-carbon group methyltransferases.