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Literature summary for 2.4.1.123 extracted from

  • Wakiuchi, N.; Shiomi, R.; Tamaki, H.
    Production of galactinol from sucrose by plant enzymes (2003), Biosci. Biotechnol. Biochem., 67, 1465-1471.
    View publication on PubMed
Search for more literature for 2.4.1.123

Inhibitors

Inhibitors Comment Organism Structure
UDP product inhibition, 70% inhibition at 5 mM Cucumis sativus

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ activates, best at 2 mM Cucumis sativus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-galactose + myo-inositol Cucumis sativus step in biosynthesis of raffinose from sucrose UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
 ?

Organism

Organism UniProt Comment Textmining
Cucumis sativus
-
 cv. Suyo
-

Purification (Commentary)

Purification (Comment) Organism
partially from leaves, by ammonium sulfate fractionation and anion exchange chromatography Cucumis sativus

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Cucumis sativus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-galactose + myo-inositol
-
 Cucumis sativus UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol product identification ?
UDP-galactose + myo-inositol step in biosynthesis of raffinose from sucrose Cucumis sativus UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
 ?

Synonyms

Synonyms Comment Organism
galactinol synthase
-
 Cucumis sativus
GS
-
 Cucumis sativus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
 Cucumis sativus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
 2 h, 50% loss of activity Cucumis sativus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8
-
 Cucumis sativus