The Enzyme Database

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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 of the biosynthesis of vitexin and isovitexin derivatives, 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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