Home  |  Contact
Due to maintenance work, this service and ftp://ftp.expasy.org will be unavailable from Tuesday August 23rd 18:00 until Wednesday August 24th 08:00 CEST. Apologies for the inconvenience.

ENZYME entry: EC 2.1.1.76

Accepted Name
quercetin 3-O-methyltransferase.
Alternative Name(s)
flavonol 3-O-methyltransferase.
Reaction catalysed
quercetin + S-adenosyl-L-methionine <=> 3',4',5,7-tetrahydroxy-3-methoxyflavone + H(+) + S-adenosyl-L-homocysteine
Comment(s)
  • Specific for quercetin.
  • Related enzymes bring about the 3-O-methylation of other flavonols, such as galangin and kaempferol.
Cross-references
BRENDA2.1.1.76
EC2PDB2.1.1.76
ExplorEnz2.1.1.76
PRIAM enzyme-specific profiles2.1.1.76
KEGG Ligand Database for Enzyme Nomenclature2.1.1.76
IUBMB Enzyme Nomenclature2.1.1.76
IntEnz2.1.1.76
MEDLINEFind literature relating to 2.1.1.76
MetaCyc2.1.1.76
Rhea expert-curated reactions2.1.1.76

View entry in original ENZYME format
View entry in raw text format (no links)
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.1.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.1.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.-.-.-