2.4.1.123: inositol 3-alpha-galactosyltransferase
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For detailed information about inositol 3-alpha-galactosyltransferase, go to the full flat file.
Reaction
Synonyms
BhGolS1, CjGolS, CsGolS1, galactinol synthase, galactinol synthase1, galactosyltransferase, uridine diphosphogalactose-inositol, GAS, GOLS, GolS1, GS, inositol 1-alpha-galactosyltransferase, LcGolS1, LcGolS2, More, OJ1165_F02.103, Os07g0687900, OsGolS1, OsGolS2, TsGOLS2, UDP-D-galactose:inositol galactosyltransferase, UDP-galactose:myo-inositol 1-alpha-D-galactosyltransferase, uridine diphosphogalactose-inositol galactosyltransferase, XvGolS
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General Information
General Information on EC 2.4.1.123 - inositol 3-alpha-galactosyltransferase
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evolution
metabolism
physiological function
additional information
phylogenetic relationship among GolS proteins in plants, and evolutionary relationships and biological functions of GolS family in rapeseed (Brassica napus) and tobacco (Nicotiana tabacum), further evolutionary relationships among GolS members in Brassicaceae and Solanaceae species, overview. Evaluation of predicted three-dimensional structures of representative GolS members from Brassica napus and Nicotiana tabacum. Spatio-temporal and hormone response expression patterns of these GolS genes. Comparison of the genes with the genes from Arabidopsis thaliana. Genotyping. Conserved motifs of GolS proteins
evolution
phylogenetic relationship among GolS proteins in plants, and evolutionary relationships and biological functions of GolS family in rapeseed (Brassica napus) and tobacco (Nicotiana tabacum), further evolutionary relationships among GolS members in Brassicaceae and Solanaceae species, overview. Evaluation of predicted three-dimensional structures of representative GolS members from Brassica napus and Nicotiana tabacum. Spatio-temporal and hormone response expression patterns of these GolS genes. Comparison of the genes with the genes from Arabidopsis thaliana. Genotyping. Conserved motifs of GolS proteins
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the enzyme is involved in the biosynthesis of raffinose family oligosaccharides catalyzing the first committed step
metabolism
galactinol synthase (GolS) is a key enzyme in raffinose family oligosaccharide (RFO) biosynthesis
metabolism
galactinol synthase (GolS) is a key enzyme in raffinose family oligosaccharide (RFO) biosynthesis
metabolism
the enzyme catalyzes the first step of galactinol biosynthesis, overview. Galactinol and its adducts of the raffinose family oligosaccharides (RFO) series are implicated in carbon storage, transport, maintaining the source-sink relationship, stress amelioration, and signalling
physiological function
first committed step of the raffinose family oligosaccharides biosynthetic pathway
physiological function
galactinol synthase catalyzes the first committed step in the biosynthesis of raffinose family oligosaccharides and plays a key regulatory role in the carbon partitioning between sucrose and raffinose family oligosaccharides
physiological function
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galactinol synthase catalyzes formation of galactinol and is the key enzyme in biosynthesis of raffinose family oligosaccharides
physiological function
galactinol synthase catalyzes formation of galactinol and is the key enzyme in biosynthesis of raffinose family oligosaccharides. Enzyme MfGolS1 plays an important role in cold tolerance of Medicago falcata. Myoinositol may participate in cold-induced transcription of MfGolS1 that confers multiple tolerances to abiotic stresses. During cold acclimation, sugars including sucrose, galactinol, raffinose, and stachyose are accumulated. The enzyme plays an important role in plant tolerance to abiotic stresses
physiological function
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galactinol synthase is a key enzyme in the synthesis of raffinose family oligosaccharides (RFOs), catalyzes the condensation of UDP-galactose with myo-inositol to produce galactinol as the sole donor for the synthesis of RFOs. RFOs have been implicated in mitigating effects of environmental stresses on plants. Overexpression of TsGOLS2 in Arabidopsis thaliana improved the tolerance of transgenic plants to high salinity and osmotic stress
physiological function
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the enzyme is important for biosynthesis of raffinose family oligosaccharides during seed germination. Germination percentage and enzyme activities of chickpea genotypes desi and kabuli with contrasting raffinose family oligosaccharides concentrations, detailed overview
physiological function
galactinol synthase (GolS) accumulates in plants exposed to abiotic stresses indicates RFOs function in environmental adaptation
physiological function
galactinol synthase (GolS) accumulates in plants exposed to abiotic stresses indicates RFOs function in environmental adaptation
physiological function
galactinol synthase catalyzes the transfer of a galactosyl residue from UDP-galactose to myo-inositol to synthesize galactinol, a precursor for raffinose family oligosaccharides (RFO) biosynthesis. Accumulation of raffinose family oligosaccharides (RFO), galactinol and its precursors during seed development, overview
in-silico protein structure prediction of LcGolS1
additional information
in-silico protein structure prediction of LcGolS1
additional information
in-silico protein structure prediction of LcGolS2
additional information
in-silico protein structure prediction of LcGolS2
additional information
three-dimensional structure prediction and homology modeling for BnGolS, overview. in BnGolS1-2, two Asp residues play a key role in the binding of the ligands in UDP-galactose and inositol, the crucial inositol-binding residues are Phe33, Try40, Ile105, Asp125 and Asp127, while the important UDP-galactose binding residues are Phe33, Try40, Ile105, Lys109, Try123, Asp125, Asp127, Try163, Ile165, Gln222, and Lys270. The Lys270 residue involved in UDP-galactose binding is part of the HxxGxxKPW motif. The conserved DxD motif plays a crucial role in the binding of micro-molecules in the galactinol catalytic pocket, whereas the HxxGxxKPW motif generally participates in macro-molecular binding. Docking of ligands onto the modeled BnGolS1-2 protein structure
additional information
three-dimensional structure prediction and homology modeling for NtGolS, overview
additional information
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three-dimensional structure prediction and homology modeling for NtGolS, overview