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Literature summary for 2.4.2.50 extracted from

  • Rose, A.; Glassgen, W.E.; Hopp, W.; Seitz, H.U.
    Purification and characterization of glycosyltransferases involved in anthocyanin biosynthesis in cell-suspension cultures of Daucus carota L. (1996), Planta, 198, 397-403.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.1
-
cyanidin 3-O-beta-D-galactoside pH 7.5, 32°C, crude enzyme Daucus carota
0.2
-
UDP-alpha-D-xylose pH 7.5, 32°C, crude enzyme Daucus carota

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Daucus carota
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
additional information divalent cations have no influence on the enzyme activity Daucus carota

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-galactoside Daucus carota
-
UDP + cyanidin 3-O-(beta-D-xylosyl-(1->2)-beta-D-galactoside)
-
?

Organism

Organism UniProt Comment Textmining
Daucus carota
-
Afghan cultivar carrot
-
Daucus carota
-
Afghan cultivar
-

Purification (Commentary)

Purification (Comment) Organism
partially, by ammonium sulfate fractionation and ultracentrifugation, the enzyme is then separated from the UDP-galactose:cyanidin galactosyltransferase, CGT, by anion exchange and affinity chromatography. CGXT activity is lost after another step of gel filtration Daucus carota

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture
-
Daucus carota
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-alpha-D-xylose + cyanidin 3-O-beta-D-galactoside
-
Daucus carota UDP + cyanidin 3-O-(beta-D-xylosyl-(1->2)-beta-D-galactoside)
-
?

Synonyms

Synonyms Comment Organism
CGXT
-
Daucus carota
UDP-xylose: cyanidin 3-galactoside xylosyltransferase
-
Daucus carota

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
32
-
-
Daucus carota

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.9
-
-
Daucus carota