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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
Quercetin 3-O-methyltransferase.
Alternative Name(s)
Flavonol 3-O-methyltransferase.
Reaction catalysed
S-adenosyl-L-methionine + 3,5,7,3',4'-pentahydroxyflavone <=> S-adenosyl-L-homocysteine + 3-methoxy-5,7,3',4'-tetrahydroxyflavone
  • Specific for quercetin.
  • Related enzymes bring about the 3-O-methylation of other flavonols, such as galangin and kaempferol.
PRIAM enzyme-specific profiles2.1.1.76
KEGG Ligand Database for Enzyme Nomenclature2.1.1.76
IUBMB Enzyme Nomenclature2.1.1.76
MEDLINEFind literature relating to
P59049, OMT1_CHRAE;  Q42653, OMT2_CHRAE;  

View entry in original ENZYME format
View entry in raw text format (no links)
All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
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.-.-.-