Reaction: S-adenosyl-L-methionine + isoorientin = S-adenosyl-L-homocysteine + isoscoparin
Other name(s): isoorientin 3'-methyltransferase
Systematic name: S-adenosyl-L-methionine:isoorientin 3'-O-methyltransferase
Comments: Also acts on isoorientin 2"-O-rhamnoside. Involved in the biosynthesis of flavones.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 83061-51-2
References:
1. van Brederode, J., Kamps-Heinsbroek, R. and Mastenbroek, O. Biochemical and ontogenetic evidence that the ferulic acid and isoscoparin formation in silene are catalyzed by different enzymes. Z. Pflanzenphysiol. 106 (1982) 43-53.