IUBMB Enzyme Nomenclature


Accepted name: vitexin 2"-O-rhamnoside 7-O-methyltransferase

Reaction: S-adenosyl-L-methionine + vitexin 2"-O-β-L-rhamnoside = S-adenosyl-L-homocysteine + 7-O-methylvitexin 2"-O-β-L-rhamnoside

For diagram click here.

Systematic name: S-adenosyl-L-methionine:vitexin-2"-O-β-L-rhamnoside 7-O-methyltransferase

Comments: The flavonoids vitexin and isovitexin 2"-O-arabinoside do not act as substrates for the enzyme from oats (Avena sativa).

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 90698-29-6


1. Knogge, W. and Weissenbock, G. Purification, characterization, and kinetic mechanism of S-adenosyl-L-methionine: vitexin 2"-O-rhamnoside 7-O-methyltransferase of Avena sativa L. Eur. J. Biochem. 140 (1984) 113-118. [PMID: 6705789]

[EC created 2004]

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