Tags: Enzyme.
In enzymology a flavonol 3-O-glucosyltransferase (EC 2.4.1.91) is an enzyme that catalyzes the chemical reactionUDP-glucose + a flavonol UDP + a flavonol 3-O-beta-D-glucosideThus the two substrates of this enzyme are UDP-glucose and flavonol whereas its two products are UDP and flavonol 3-O-beta-D-glucoside.This enzyme participates in flavonoid biosynthesis. It is an enzyme found in grape (Vitis vinifera).