KEGG   ENZYME: 2.4.2.35Help
Entry
EC 2.4.2.35                 Enzyme                                 

Name
flavonol-3-O-glycoside xylosyltransferase;
UDP-D-xylose:flavonol-3-O-glycoside 2''-O-beta-D-xylosyltransferase
Class
Transferases;
Glycosyltransferases;
Pentosyltransferases
BRITE hierarchy
Sysname
UDP-alpha-D-xylose:flavonol-3-O-glycoside 2''-O-beta-D-xylosyltransferase
Reaction(IUBMB)
UDP-alpha-D-xylose + a flavonol 3-O-glycoside = UDP + a flavonol 3-[beta-D-xylosyl-(1->2)-beta-D-glycoside] [RN:R03268]
Reaction(KEGG)
Substrate
UDP-alpha-D-xylose [CPD:C00190];
flavonol 3-O-glycoside
Product
UDP [CPD:C00015];
flavonol 3-[beta-D-xylosyl-(1->2)-beta-D-glycoside] [CPD:C04069]
Comment
Flavonol 3-O-glucoside, flavonol 3-O-galactoside and, more slowly, rutin, can act as acceptors.
History
EC 2.4.2.35 created 1986, modified 2014
Pathway
Flavone and flavonol biosynthesis
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 (1982) 587-599.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
83380-90-9

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