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Information on EC 2.4.1.240 - flavonol-3-O-glycoside glucosyltransferase

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EC Tree
     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.240 flavonol-3-O-glycoside glucosyltransferase
IUBMB Comments
One of three specific glucosyltransferases in pea (Pisum sativum) thatsuccessively add a beta-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 2.4.1.239 flavonol-3-O-glucoside glucosyltransferase).
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The expected taxonomic range for this enzyme is: Pisum sativum
Synonyms
UDP-glucose:glucosyltransferase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
UDP-glucose + a flavonol 3-O-beta-D-glucosyl-(1->2)-beta-D-glucoside = UDP + a flavonol 3-O-beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside
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