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Literature summary for 2.4.1.296 extracted from

  • Yamazaki, M.; Yamagishi, E.; Gong, Z.; Fukuchi-Mizutani, M.; Fukui, Y.; Tanaka, Y.; Kusumi, T.; Yamaguchi, M.; Saito, K.
    Two flavonoid glucosyltransferases from Petunia hybrida: molecular cloning, biochemical properties and developmentally regulated expression (2002), Plant Mol. Biol., 48, 401-411.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
PH1, cloning by hybridization screening, DNA and amino acid sequence determination and analysis, sequence comparison and phylogenetic analysis, expression in Saccharomyces cerevisiae strain G1315 Petunia x hybrida

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52163
-
x * 52163, PH1, sequence calculation Petunia x hybrida

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-alpha-D-glucose + delphinidin 3-O-(4-coumaroyl)-rutinoside Petunia x hybrida PH1 represents a 5-GT that exhibits a strict substrate specificity towards its biosynthetically proper substrate, delphinidin 3-(4-coumaroyl)-rutinoside UDP + delphinidin 3-O-(4-coumaroyl)-rutinoside 5-O-beta-D-glucoside
-
?
UDP-alpha-D-glucose + delphinidin 3-O-(4-coumaroyl)-rutinoside Petunia x hybrida Surfinia Purple PH1 represents a 5-GT that exhibits a strict substrate specificity towards its biosynthetically proper substrate, delphinidin 3-(4-coumaroyl)-rutinoside UDP + delphinidin 3-O-(4-coumaroyl)-rutinoside 5-O-beta-D-glucoside
-
?

Organism

Organism UniProt Comment Textmining
Petunia x hybrida
-
two copies gene
-
Petunia x hybrida Surfinia Purple
-
two copies gene
-

Source Tissue

Source Tissue Comment Organism Textmining
flower
-
Petunia x hybrida
-
flower bud
-
Petunia x hybrida
-
additional information mRNA expression of 5-GT increases in the early developmental stages of the flower, reaching the maximum at the stage before flower opening Petunia x hybrida
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the recombinant PH1 protein exhibited a strict substrate specificity towards anthocyanidin 3-acylrutinoside. No activity with delphinidin 3-rutinoside, cyanidin 3-O-rutinoside, delphinidin 3-O-glucoside, pelargonidin 3-O-glucoside, cyanidin 3-O-glucoside, cyanidin 3-O-caffeoyl-glucoside, and with cyanidin 3,5-diglucoside and cyanidin Petunia x hybrida ?
-
?
additional information the recombinant PH1 protein exhibited a strict substrate specificity towards anthocyanidin 3-acylrutinoside. No activity with delphinidin 3-rutinoside, cyanidin 3-O-rutinoside, delphinidin 3-O-glucoside, pelargonidin 3-O-glucoside, cyanidin 3-O-glucoside, cyanidin 3-O-caffeoyl-glucoside, and with cyanidin 3,5-diglucoside and cyanidin Petunia x hybrida Surfinia Purple ?
-
?
UDP-alpha-D-glucose + delphinidin 3-O-(4-coumaroyl)-rutinoside
-
Petunia x hybrida UDP + delphinidin 3-O-(4-coumaroyl)-rutinoside 5-O-beta-D-glucoside
-
?
UDP-alpha-D-glucose + delphinidin 3-O-(4-coumaroyl)-rutinoside PH1 represents a 5-GT that exhibits a strict substrate specificity towards its biosynthetically proper substrate, delphinidin 3-(4-coumaroyl)-rutinoside Petunia x hybrida UDP + delphinidin 3-O-(4-coumaroyl)-rutinoside 5-O-beta-D-glucoside
-
?
UDP-alpha-D-glucose + delphinidin 3-O-(4-coumaroyl)-rutinoside
-
Petunia x hybrida Surfinia Purple UDP + delphinidin 3-O-(4-coumaroyl)-rutinoside 5-O-beta-D-glucoside
-
?
UDP-alpha-D-glucose + delphinidin 3-O-(4-coumaroyl)-rutinoside PH1 represents a 5-GT that exhibits a strict substrate specificity towards its biosynthetically proper substrate, delphinidin 3-(4-coumaroyl)-rutinoside Petunia x hybrida Surfinia Purple UDP + delphinidin 3-O-(4-coumaroyl)-rutinoside 5-O-beta-D-glucoside
-
?

Subunits

Subunits Comment Organism
? x * 52163, PH1, sequence calculation Petunia x hybrida

Synonyms

Synonyms Comment Organism
5-GT
-
Petunia x hybrida
petunia 5-GT
-
Petunia x hybrida
PH1
-
Petunia x hybrida
UDP-glucose:anthocyanin 5-O-glucosyltransferase
-
Petunia x hybrida

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Petunia x hybrida

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
assay at Petunia x hybrida

General Information

General Information Comment Organism
evolution PH1 belongs to the 5-GT subfamily of the superfamily of glycosyltransferases Petunia x hybrida
physiological function glucosylation at the 5-O-position of anthocyanins, which is catalyzed by anthocyanin 5-O-glucosyltransferase, is an important step to produce stable complexes in co-pigmentation, resulting in a bright reddish-purple color from dull violet or pure red Petunia x hybrida