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Literature summary for 2.4.1.123 extracted from

  • Karner, U.; Peterbauer, T.; Raboy, V.; Jones, D.A.; Hedley, C.L.; Richter, A.
    myo-Inositol and sucrose concentrations affect the accumulation of raffinose family oligosaccharides in seeds (2004), J. Exp. Bot., 55, 1981-1987.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
additional information low phytic mutants with reduced demand for myo-inositol due to reduced synthesis of phytic acid Hordeum vulgare

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+
-
Hordeum vulgare
Mn2+
-
Pisum sativum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-galactose + myo-inositol Pisum sativum key enzyme in biosynthesis of raffinose family oligosaccharides from sucrose, the pathway is regulated by concentration of myo-inositol and sucrose in combination with the enzyme activity, raffinose family oligosaccharides content in different genotypes, overview UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
?
UDP-galactose + myo-inositol Hordeum vulgare key enzyme in biosynthesis of raffinose family oligosaccharides from sucrose, the pathway is regulated by concentration of myo-inositol and sucrose in combination with the enzyme activity, raffinose family oligosaccharides content in different mutant lines, overview UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
?

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
3 low phytic mutants
-
Pisum sativum
-
7 genotypes
-

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
Hordeum vulgare
-
seed
-
Pisum sativum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Hordeum vulgare
additional information
-
enzyme activity in seeds from different genotypes Pisum sativum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-galactose + myo-inositol
-
Hordeum vulgare UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
?
UDP-galactose + myo-inositol
-
Pisum sativum UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
?
UDP-galactose + myo-inositol key enzyme in biosynthesis of raffinose family oligosaccharides from sucrose, the pathway is regulated by concentration of myo-inositol and sucrose in combination with the enzyme activity, raffinose family oligosaccharides content in different genotypes, overview Pisum sativum UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
?
UDP-galactose + myo-inositol key enzyme in biosynthesis of raffinose family oligosaccharides from sucrose, the pathway is regulated by concentration of myo-inositol and sucrose in combination with the enzyme activity, raffinose family oligosaccharides content in different mutant lines, overview Hordeum vulgare UDP + O-alpha-D-galactosyl-(1-3)-1D-myo-inositol
-
?

Synonyms

Synonyms Comment Organism
galactinol synthase
-
Hordeum vulgare
galactinol synthase
-
Pisum sativum
GOLS
-
Hordeum vulgare
GOLS
-
Pisum sativum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Hordeum vulgare
30
-
assay at Pisum sativum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
assay at Hordeum vulgare
7
-
assay at Pisum sativum