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Literature summary for 2.4.2.51 extracted from

  • Yonekura-Sakakibara, K.; Fukushima, A.; Nakabayashi, R.; Hanada, K.; Matsuda, F.; Sugawara, S.; Inoue, E.; Kuromori, T.; Ito, T.; Shinozaki, K.; Wangwattana, B.; Yamazaki, M.; Saito, K.
    Two glycosyltransferases involved in anthocyanin modification delineated by transcriptome independent component analysis in Arabidopsis thaliana (2012), Plant J., 69, 154-167.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
gene ugt79b1, DNA and amino acid sequence determination and analysis, expression analysis and phylogenetic analysis, recombinant expression as His-tagged protein in Escherichia coli Arabidopsis thaliana
recombinantly expressed as a His-tagged fusion protein Arabidopsis thaliana

Protein Variants

Protein Variants Comment Organism
additional information construction of transposon insertion mutants of UGT79B1 Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-alpha-D-xylose + cyanidin 3-O-beta-D-glucoside Arabidopsis thaliana
-
UDP + cyanidin 3-O-beta-D-sambubioside
-
?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana Q9LVW3
-
-
Arabidopsis thaliana Q9LVW3 gene ugt79b1
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged enzyme from Escherichia coli Arabidopsis thaliana

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information enzyme converts cyanidin 3-O-glucoside to cyanidin 3-O-xylosyl(1-2)glucoside. Enzyme recognizes 3-O-glucosylated anthocyanidins/flavonols and uridine diphosphate (UDP)-xylose Arabidopsis thaliana ?
-
?
additional information UGT79B1 recognizes 3-O-glucosylated anthocyanidins/flavonols and UDP-xylose, but not 3,5-O-diglucosylated anthocyanidins, substrate specificity, overview. No activity with cyanidin 3-O-rhamnoside, cyanidin 3,5-O-diglucoside, cyanidin 3-O-6''-O-4-coumaroylglucoside-5-O-glucoside, cyanidin 3-O-6''-O-p-coumaroylglucoside, kaempferol 3-O-rhanoside, and kaempferol 3-O-glucoside-7-O-rhamnoside. The enzyme is absolutely specific for UDP-xylose as donar substrate, no activity with UDP-arabinose, UDP-galactose, UDP-glucose, UDP-glucuronic acid, and UDP-rhamnose Arabidopsis thaliana ?
-
?
UDP-alpha-D-xylose + cyanidin 3-O-alpha-L-rhamnosyl-(1->6)-beta-D-glucoside
-
Arabidopsis thaliana UDP + cyanidin 3-O-beta-D-xylosyl-(1->2)-alpha-L-rhamnosyl-(1->6)-beta-D-glucoside
-
?
UDP-alpha-D-xylose + cyanidin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + cyanidin 3-O-beta-D-sambubioside
-
?
UDP-alpha-D-xylose + delphinidin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + delphinidin 3-O-beta-D-sambubioside
-
?
UDP-alpha-D-xylose + kaempferol 3-O-alpha-L-rhamnosyl-(1->6)-beta-D-glucoside
-
Arabidopsis thaliana UDP + kaempferol 3-O-beta-D-xylosyl-(1->2)-[alpha-L-rhamnosyl-(1->6)]-beta-D-glucoside
-
?
UDP-alpha-D-xylose + kaempferol 3-O-beta-D-glucoside best substrate Arabidopsis thaliana UDP + kaempferol 3-O-beta-D-xylosyl-(1->2)-beta-D-glucoside
-
?
UDP-alpha-D-xylose + pelargonidin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + pelargonidin 3-O-beta-D-sambubioside
-
?
UDP-alpha-D-xylose + quercetin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + quercetin 3-O-beta-D-sambubioside
-
?
UDP-D-xylose + cyanidin 3-O-(alpha-L-rhamnosyl-(1->6)-beta-D-glucoside)
-
Arabidopsis thaliana UDP + cyanidin 3-O-(beta-D-xylosyl-1(->2)[alpha-L-rhamnosyl-(1->6)]-beta-D-glucoside)
-
?
UDP-D-xylose + cyanidin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + cyanidin 3-O-(beta-D-xylosyl-(1->2)-beta-D-glucoside)
-
?
UDP-D-xylose + delphinidin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + delphinidin 3-O-(beta-D-xylosyl-(1->2)-beta-D-glucoside)
-
?
UDP-D-xylose + kaempferol 3-O-alpha-L-rhamnosyl-(1->6)-beta-D-glucoside
-
Arabidopsis thaliana UDP + kaempferol 3-O-(beta-D-xylosyl-(1->2)[alpha-L-rhamnosyl-(1->6)]-beta-D-glucoside)
-
?
UDP-D-xylose + kaempferol 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + kaempferol 3-O-(beta-D-xylosyl-(1->2)-beta-D-glucoside)
-
?
UDP-D-xylose + pelargonidin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + pelargonidin 3-O-(beta-D-xylosyl-(1->2)-beta-D-glucoside)
-
?
UDP-D-xylose + quercetin 3-O-beta-D-glucoside
-
Arabidopsis thaliana UDP + quercetin 3-O-(beta-D-xylosyl-(1->2)-beta-D-glucoside)
-
?

Synonyms

Synonyms Comment Organism
anthocyanin 3-O-glucoside: 2''-O-xylosyltransferase
-
Arabidopsis thaliana
UGT79B1
-
Arabidopsis thaliana

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Arabidopsis thaliana

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Arabidopsis thaliana
7.5
-
assay at Arabidopsis thaliana

General Information

General Information Comment Organism
evolution flavonoid UGT phylogenetic tree, UGT79B1 belongs to a cluster in which UGTs transfer a glycosyl group to a sugar moiety of flavonoid glycosides Arabidopsis thaliana
malfunction anthocyanin is drastically reduced in ugt79b1 knockout mutants Arabidopsis thaliana