flavonol-3-O-glucoside glucosyltransferase EC#: 2.4.1.239; ChemWhat Code: 1377546

Product Name flavonol-3-O-glucoside glucosyltransferase
Example Structure Example Structure of flavonol-3-O-glucoside glucosyltransferase EC#: 2.4.1.239
Synonyms flavonol 3-O-glucoside/galactoside (1->2) glucosyltransferase, GmF3G2”Gt, UDP-glucose:glucosyltransferase, UGT79B30
EC Number 2.4.1.239
CAS Registry Number
Comments One of three specific glucosyltransferases in pea (Pisum sativum) that successively add a ¦Â-D-glucosyl group first to O-3 of kaempferol, and then to O-2 of the previously added glucosyl group giving the 3-O-sophoroside and then the 3-O-sophorotrioside (see also EC 2.4.1.91, flavonol 3-O-glucosyltransferase and EC 2.4.1.240, flavonol-3-O-glycoside glucosyltransferase). TDP-glucose can replace UDP-glucose as the glucose donor but the reaction proceeds more slowly.
Cofactor
History
Reactions UDP-glucose + a flavonol 3-O-beta-D-glucoside = Udp + a flavonol 3-O- beta-D-glucosyl-(1->2)-beta-D-glucoside.

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