KEGG ENZYME: 2.4.1.91

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

ATH:	AT5G17050(UGT78D2)

CRB:

17881145

CSAT:

104705997 104769991

EUS:	EUTSA_v10013472mg

BRP:

103851079

BNA:	106354432 106354433

BOE:

106327034

RSZ:	108842609 108842627

GHI:

107899989

TWL:

119992988

EGT:

105961370

MING:

122064818

ZOF:	121980188 121987164 121999879 122003520 122011287 122014367

NCOL:

116249850 116253945 116254175

» show all

Reference

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

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