ORENZA : a database of ORphan ENZyme Activities

ORphan ENZyme ActivitiesSorted by :
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EC 2.4.1.239 is Orphan !
Common name :Flavonol-3-O-glucoside glucosyltransferase

Systematic name :UDP-glucose:flavonol-3-O-beta-D-glucoside 2''-O-beta-D-glucosyltransferase

Other names :UDP-glucose:flavonol-3-O-glucoside 2''-O-beta-D-glucosyltransferase
Comments :One of three specific glucosyltransferases in pea (Pisum sativum) that successively 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 2.4.1.240, flavonol-3-O-glycoside glucosyltransferase). TDP-glucose can replace UDP-glucose as the glucose donor but the reaction proceeds more slowly. One of three specific glucosyltransferases in pea (Pisum sativum) that successively 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 and EC 2.4.1.240). TDP-glucose can replace UDP-glucose as the glucose donor but the reaction proceeds more slowly.

Created :EC 2.4.1.239 created 2004

KEGG MAP : 00944 Flavone and flavonol biosynthesis

BRENDA organisms :Fragaria x
Fragaria x
Pisum sativum

Swiss-ProtNo protein sequences are associated with EC 2.4.1.239 in Swiss-Prot

TrEMBLNo protein sequences are associated with EC 2.4.1.239 in TrEMBL

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NC-IUBMB, INTENZ, ENZYME, PDB, BRENDA, KEGG, BIOCYC, PubMed,NCBI-Entrez

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