| Entry |
|
| 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). |
| Pathway |
PATH: ec00944 Flavone and flavonol biosynthesis
PATH: ec01100 Metabolic pathways |
| Orthology |
KO: K10757 flavonol 3-O-glucosyltransferase |
| Genes |
ATH: AT5G17050
 |
| Structures |
PDB: 2C1X 2C1Z 2C9Z |
Reference Authors
Title
Journal
|
1
Kleinehollenhorst, G., Behrens, H., Pegels, G., Srunk, N. and
Wiermann, R.
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.
Z. Natursforsch. C: Biosci. 37 (1982) 587-599. |
Reference Authors Title
Journal Organism
|
2 [PMID:4731963]
Sutter A, Grisebach H.
UDP-glucose: flavonol 3-0-glucosyltransferase from cell suspension
cultures of parsley.
Biochim. Biophys. Acta. 309 (1973) 289-95.
Petroselinum hortense |
| 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 |