IUBMB Enzyme Nomenclature


Accepted name: isoorientin 3'-O-methyltransferase

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


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.

[EC created 1986]

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