KEGG   ENZYME: 2.4.1.81Help
Entry
EC 2.4.1.81                 Enzyme                                 

Name
flavone 7-O-beta-glucosyltransferase;
UDP-glucose-apigenin beta-glucosyltransferase;
UDP-glucose-luteolin beta-D-glucosyltransferase;
uridine diphosphoglucose-luteolin glucosyltransferase;
uridine diphosphoglucose-apigenin 7-O-glucosyltransferase;
UDP-glucosyltransferase (ambiguous)
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
UDP-glucose:5,7,3',4'-tetrahydroxyflavone 7-O-beta-D-glucosyltransferase
Reaction(IUBMB)
UDP-glucose + 5,7,3',4'-tetrahydroxyflavone = UDP + 7-O-beta-D-glucosyl-5,7,3',4'-tetrahydroxyflavone [RN:R03588]
Reaction(KEGG)
R03588;
(other) R03574
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Substrate
UDP-glucose [CPD:C00029];
5,7,3',4'-tetrahydroxyflavone [CPD:C01514]
Product
UDP [CPD:C00015];
7-O-beta-D-glucosyl-5,7,3',4'-tetrahydroxyflavone [CPD:C03951]
Comment
A number of flavones, flavanones and flavonols can function as acceptors. Different from EC 2.4.1.91 (flavonol 3-O-glucosyltransferase).
History
EC 2.4.1.81 created 1976
Pathway
Flavone and flavonol biosynthesis
Reference
1  [PMID:5058406]
  Authors
Sutter A, Ortmann R, Grisebach H.
  Title
Purification and properties of an enzyme from cell suspension cultures of parsley catalyzing the transfer of D-glucose from UDP-D-glucose to flavonoids.
  Journal
Biochim. Biophys. Acta. 258 (1972) 71-87.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
37332-50-6

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