Flavonol 7-O-beta-glucosyltransferase
| Flavonol 7-O-beta-glucosyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.1.237 | ||||||||
| CAS no. | 83682-90-0 | ||||||||
| Databases | |||||||||
| BRENDA | enzyme data | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | enzyme entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| Rhea | reactions | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Flavonol 7-O-beta-glucosyltransferase (EC 2.4.1.237) is an enzyme that catalyzes the general chemical reaction
- UDP-glucose + a flavonol UDP + a flavonol 7-O-β-D-glucoside
The enzyme characterised from Chrysanthemum segetum uses UDP-glucose to transfer a glucose unit to a specific phenolic hydroxy group of a flavonol, giving the corresponding flavonol 7-O-β-D-glucoside, with uridine diphosphate (UDP) as a byproduct. For example, quercetin is converted to quercimeritrin:[1]
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:flavonol 7-O-beta-D-glucosyltransferase. This enzyme is also called UDP-glucose:flavonol 7-O-glucosyltransferase.[2]
References
- ↑ Stich K, Halbwirth H, Wurst F, Forkmann G (1997). "UDP-glucose: flavonol 7-O-glucosyltransferase activity in flower extracts of Chrysanthemum segetum". Z. Naturforsch. C. 52 (3–4): 153–8. doi:10.1515/znc-1997-3-403. PMID 9167271.
- ↑ Enzyme 2.4.1.237 at KEGG Pathway Database.
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