KEGG   ENZYME: 2.4.1.91
Entry
EC 2.4.1.91                 Enzyme                                 
Name
flavonol 3-O-glucosyltransferase;
GTI;
uridine diphosphoglucose-flavonol 3-O-glucosyltransferase;
UDP-glucose:flavonol 3-O-glucosyltransferase;
UDPG:flavonoid-3-O-glucosyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
Sysname
UDP-glucose:flavonol 3-O-D-glucosyltransferase
Reaction(IUBMB)
UDP-glucose + a flavonol = UDP + a flavonol 3-O-beta-D-glucoside [RN:R03267]
Reaction(KEGG)
R03267 > R02158 R06611
Substrate
UDP-glucose [CPD:C00029];
flavonol [CPD:C01495]
Product
UDP [CPD:C00015];
flavonol 3-O-beta-D-glucoside [CPD:C03946]
Comment
Acts on a variety of flavonols, including quercetin and quercetin 7-O-glucoside. Different from EC 2.4.1.81 (flavone 7-O-beta-glucosyltransferase).
History
EC 2.4.1.91 created 1976
Pathway
ec00944  Flavone and flavonol biosynthesis
ec01100  Metabolic pathways
ec01110  Biosynthesis of secondary metabolites
Orthology
K10757  flavonol 3-O-glucosyltransferase
Genes
ATHAT5G17050(UGT78D2)
CRB17881145
CSAT104705997 104769991
EUSEUTSA_v10013472mg
BRP103851079
BNA106354432 106354433
BOE106327034
RSZ108842627
GHI107899989
CSAV115716326
TWL119992988
EGT105961370
MING122064818
ZOF121980188 121987164 121999879 122003520 122011287 122014367
MSIN131256770 131256771 131256772
NCOL116249850 116253945 116254175
 » show all
Reference
1
  Authors
Kleinehollenhorst, G., Behrens, H., Pegels, G., Srunk, N. and Wiermann, R.
  Title
Formation of flavonol 3-O-diglycosides and flavonol 3-O-triglycosides by enzyme extracts from anthers of Tulipa cv apeldoorn - characterization and activity of 3 different O-glycosyltransferases during anther development.
  Journal
Z Natursforsch C: Biosci 37:587-599 (1982)
Reference
2  [PMID:4731963]
  Authors
Sutter A, Grisebach H.
  Title
UDP-glucose: flavonol 3-0-glucosyltransferase from cell suspension cultures of parsley.
  Journal
Biochim Biophys Acta 309:289-95 (1973)
DOI:10.1016/0005-2744(73)90027-2
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.91
IUBMB Enzyme Nomenclature: 2.4.1.91
ExPASy - ENZYME nomenclature database: 2.4.1.91
BRENDA, the Enzyme Database: 2.4.1.91
CAS: 50812-18-5

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