ID 2.1.1.120 DE 12-hydroxydihydrochelirubine 12-O-methyltransferase. CA 12-hydroxydihydrochelirubine + S-adenosyl-L-methionine = dihydromacarpine CA + H(+) + S-adenosyl-L-homocysteine. CC -!- Part of the pathway for synthesis of benzophenanthridine alkaloid CC macarpine in plants. //