Tags: Enzyme.
In enzymology an isoorientin 3′-O-methyltransferase (EC 2.1.1.78) is an enzyme that catalyzes the chemical reactionS-adenosyl-L-methionine + isoorientin S-adenosyl-L-homocysteine + isoscoparinThus the two substrates of this enzyme are S-adenosyl methionine and isoorientin whereas its two products are S-adenosylhomocysteine and isoscoparin.This enzyme belongs to the family of transferases specifically those transferring one-carbon group methyltransferases.