| flavonol-3-O-glycoside xylosyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.2.35 | ||||||||
| CAS no. | 83380-90-9 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
In enzymology, a flavonol-3-O-glycoside xylosyltransferase (EC 2.4.2.35) is an enzyme that catalyzes the chemical reaction
- UDP-D-xylose + a flavonol 3-O-glycoside UDP + a flavonol 3-[-D-xylosyl-(1->2)-beta-D-glycoside]
Thus, the two substrates of this enzyme are UDP-D-xylose and flavonol 3-O-glycoside, whereas its two products are UDP and [[flavonol 3-[-D-xylosyl-(1->2)-beta-D-glycoside]]].
This enzyme belongs to the family of glycosyltransferases, specifically the pentosyltransferases. The systematic name of this enzyme class is UDP-D-xylose:flavonol-3-O-glycoside 2''-O-beta-D-xylosyltransferase.
References
- Wiermann R (1982). "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. Naturforsch. C. 37: 587–599.
- Ishikura N, Yang ZQ (1991). "UDP-D-xylose: flavonol 3-O-xylosyltransferase from young leaves of Euonymus alatus f. ciliato-dentatus". Z. Naturforsch. C: Biosci. 46: 1003–1010.
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