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Literature summary 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

Inhibitors

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

Metals/Ions

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

Natural Substrates/ Products (Substrates)

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

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.123 Cucumis sativus
-
cv. Suyo
-

Purification (Commentary)

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

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.123 leaf
-
Cucumis sativus
-

Substrates and Products (Substrate)

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

Synonyms

EC Number Synonyms Comment Organism
2.4.1.123 galactinol synthase
-
Cucumis sativus
2.4.1.123 GS
-
Cucumis sativus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.4.1.123 40
-
-
Cucumis sativus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
2.4.1.123 40
-
2 h, 50% loss of activity Cucumis sativus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.1.123 7 8
-
Cucumis sativus