ID 2.1.1.78 DE isoorientin 3'-O-methyltransferase. CA isoorientin + S-adenosyl-L-methionine = H(+) + isoscoparin + S-adenosyl- CA L-homocysteine. CC -!- Also acts on isoorientin 2''-O-rhamnoside. CC -!- Involved in the biosynthesis of flavones. //