2.4.1.67: galactinol-raffinose galactosyltransferase
This is an abbreviated version!
For detailed information about galactinol-raffinose galactosyltransferase, go to the full flat file.
Word Map on EC 2.4.1.67
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2.4.1.67
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oligosaccharides
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galactosylated
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cucumis
-
bean
-
phloem
-
adzuki
-
verbascose
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drought
-
vigna
-
angularis
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cucumber
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desiccation
- 2.4.1.67
- oligosaccharides
-
galactosylated
- cucumis
- bean
- phloem
-
adzuki
- verbascose
- drought
-
vigna
- angularis
- cucumber
-
desiccation
Reaction
Synonyms
AmSTS1, galactinol:raffinose-6-galactosyl-transferase, galactosyltransferase, galactinol-raffinose, More, RFO synthase/galactosylhydrolase, RS4, stachyose synthase, stachyose synthetase, StaS, STS
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Substrates Products
Substrates Products on EC 2.4.1.67 - galactinol-raffinose galactosyltransferase
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REACTION DIAGRAM
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
1-alpha-D-galactosyl-myo-inositol + galactopinitol A
myo-inositol + ciceritol
-
-
i.e. O-alpha-D-galactopyranosyl-(1,6)-O-alpha-D-galactopyranosyl-(1,2)-4-O-methyl-D-chiro-inositol
?
1-alpha-D-galactosyl-myo-inositol + melibiose
myo-inositol + alpha-D-galactosyl-6-O-D-galactosyl-alpha-D-glucose
1-alpha-D-galactosyl-myo-inositol + myo-inositol
myo-inositol + 1-alpha-D-galactosyl-myo-inositol
1-alpha-D-galactosyl-myo-inositol + sequoyitol
myo-inositol + alpha-D-galactosyl-sequoyitol
1-alpha-D-galactosyl-myo-inositol + stachyose
myo-inositol + verbascose
12.1% activity compared to raffinose
-
?
1-alpha-D-galactosyl-myo-inositol + verbascose
myo-inositol + ajugose
-
-
?
alpha-D-galactosyl-D-ononitol + stachyose
D-ononitol + verbascose
9.9% activity compared to 1-alpha-D-galactosyl-myo-inositol
-
?
galactinol + raffinose
?
-
assay at pH 7.0, 25°C, 90 min, reaction terminated by addition of NaOH
-
-
?
galactinol + raffinose
myo-inositol + stachyose
-
assay at pH 7.0, 25°C, 90 min, reaction terminated by addition of NaOH
-
-
?
p-nitrophenyl-alpha-D-galactopyranoside + raffinose
p-nitrophenol + stachyose
-
about 10% activity compared to 1-alpha-D-galactosyl-myo-inositol
-
r
myo-inositol + alpha-D-galactosyl-D-ononitol
-
ononitol is 1-D-4-O-methyl-myo-inositol
-
r
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
144.6% activity compared to raffinose
-
?
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
ononitol is 1-D-4-O-methyl-myo-inositol
-
?
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
recombinant enzyme
-
?
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
-
ononitol is 1-D-4-O-methyl-myo-inositol
-
r
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
ononitol is 1-D-4-O-methyl-myo-inositol
-
?
1-alpha-D-galactosyl-myo-inositol + D-ononitol
myo-inositol + alpha-D-galactosyl-D-ononitol
-
biosynthesis of galactosylononitol
-
-
?
myo-inositol + galactopinitol A
-
D-pinitol is 1-D-3-O-methyl-chiro-inositol
i.e. O-alpha-D-galactopyranosyl-(1,2)-4-O-methyl-D-chiro-inositol
r
1-alpha-D-galactosyl-myo-inositol + D-pinitol
myo-inositol + galactopinitol A
11.2% activity compared to raffinose
i.e. O-alpha-D-galactopyranosyl-(1,2)-4-O-methyl-D-chiro-inositol
?
1-alpha-D-galactosyl-myo-inositol + D-pinitol
myo-inositol + galactopinitol A
D-pinitol is 1-D-3-O-methyl-chiro-inositol
i.e. O-alpha-D-galactopyranosyl-(1,2)-4-O-methyl-D-chiro-inositol
?
myo-inositol + D-galactose
-
hydrolysis
-
?
1-alpha-D-galactosyl-myo-inositol + H2O
myo-inositol + D-galactose
hydrolysis
-
?
myo-inositol + alpha-D-galactosyl-6-O-D-galactosyl-alpha-D-glucose
-
10% activity compared to raffinose
i.e. manninotriose
ir
1-alpha-D-galactosyl-myo-inositol + melibiose
myo-inositol + alpha-D-galactosyl-6-O-D-galactosyl-alpha-D-glucose
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25% activity compared to raffinose
-
-
?
myo-inositol + 1-alpha-D-galactosyl-myo-inositol
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exchange reaction
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r
1-alpha-D-galactosyl-myo-inositol + myo-inositol
myo-inositol + 1-alpha-D-galactosyl-myo-inositol
-
several isomeric inositols and inositol O-methyl-ethers are substrates, some are inactive, overview
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r
1-alpha-D-galactosyl-myo-inositol + myo-inositol
myo-inositol + 1-alpha-D-galactosyl-myo-inositol
-
2.25fold increased activity compared to raffinose
-
r
myo-inositol + stachyose
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i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
seasonal variations in metabolism of raffinose family oligosaccharides, i.e. RFO
-
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
intracellular compartmentation of raffinose family oligosaccharide metabolism
-
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
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involved in biosynthesis of sucrosyl-oligosaccharides
-
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
i.e. galactinol
-
r
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
-
-
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
-
-
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
-
-
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
native and recombinant enzyme
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
-
i.e. galactinol
-
?
1-alpha-D-galactosyl-myo-inositol + raffinose
myo-inositol + stachyose
i.e. galactinol
-
?
myo-inositol + alpha-D-galactosyl-sequoyitol
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sequoyitol is 5-O-methyl-myo-inositol
-
?
1-alpha-D-galactosyl-myo-inositol + sequoyitol
myo-inositol + alpha-D-galactosyl-sequoyitol
sequoyitol is 5-O-methyl-myo-inositol
-
?
1-alpha-D-galactosyl-myo-inositol + sequoyitol
myo-inositol + alpha-D-galactosyl-sequoyitol
156.6% activity compared to raffinose
-
?
1-alpha-D-galactosyl-myo-inositol + sequoyitol
myo-inositol + alpha-D-galactosyl-sequoyitol
-
sequoyitol is 5-O-methyl-myo-inositol
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?
1-alpha-D-galactosyl-myo-inositol + sequoyitol
myo-inositol + alpha-D-galactosyl-sequoyitol
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1.3fold increased activity compared to raffinose
-
?
myo-inositol + stachyose
-
-
-
-
?
alpha-D-galactosyl-(1->3)-1D-myo-inositol + raffinose
myo-inositol + stachyose
-
-
-
-
?
alpha-D-galactosyl-(1->3)-1D-myo-inositol + raffinose
myo-inositol + stachyose
-
-
-
-
?
alpha-D-galactosyl-(1->3)-1D-myo-inositol + raffinose
myo-inositol + stachyose
-
-
-
-
?
D-ononitol + stachyose
65.8% activity compared to 1-alpha-D-galactosyl-myo-inositol
-
?
alpha-D-galactosyl-D-ononitol + raffinose
D-ononitol + stachyose
-
-
-
?
alpha-D-galactosyl-D-ononitol + raffinose
D-ononitol + stachyose
recombinant enzyme
-
?
?
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-
stachyose is synthesized in different tissues, depending on its physiological fate, storage stachyose is synthesized in the mesophyll cell cytosol, from which it is immediately uptaken into the vacuole for elongation and storage, transport stachyose is synthesized in the intermediary cells
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-
?
additional information
?
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-
the multifunctional enzyme is a raffinose and high affinity stachyose synthase, EC 2.4.1.82 and EC 2.4.1.67, as well as stachyose and galactinol specific galactosylhydrolase
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-
?
additional information
?
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-
the multifunctional enzyme is a raffinose and high affinity stachyose synthase, EC 2.4.1.82 and EC 2.4.1.67, as well as stachyose and galactinol specific galactosylhydrolase
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-
?
additional information
?
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-
high donor specificity: UDP-galactose or melibiose are no galactosyl-donors
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-
?
additional information
?
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-
no substrates are sucrose, maltose, fructose, cellobiose, gentiobiose, melizitose, trehalose
-
-
?
additional information
?
-
-
no substrates: lactose, glucose, maltotriose, manninotriose
-
-
?
additional information
?
-
-
no substrates are sucrose, maltose, fructose, cellobiose, gentiobiose, melizitose, trehalose
-
-
?
additional information
?
-
-
poor substrates are glucose, galactose, lactose
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-
?
additional information
?
-
native and recombinant enzyme show similar activity
-
-
?
additional information
?
-
-
native and recombinant enzyme show similar activity
-
-
?