2.7.7.34: glucose-1-phosphate guanylyltransferase
This is an abbreviated version!
For detailed information about glucose-1-phosphate guanylyltransferase, go to the full flat file.
Reaction
Synonyms
GDP-glucosepyrophosphorylase, GDPG pyrophosphorylase, GDPglucose pyrophosphorylase, glucose 1-phosphate guanylyltransferase, guanosine diphosphate glucose pyrophosphorylase, guanosine diphosphoglucose pyrophosphorylase, guanylyltransferase, glucose 1-phosphate, Man-1-PGTase, mannose-1-phosphate guanylyltransferase, More, multiple sugar-1-P NTase, PH0925, PH0925 protein
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Substrates Products
Substrates Products on EC 2.7.7.34 - glucose-1-phosphate guanylyltransferase
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REACTION DIAGRAM
dGTP + alpha-D-glucosamine 1-phosphate
diphosphate + dGDP-glucosamine
very low activity
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-
?
dGTP + alpha-D-glucose 1-phosphate
diphosphate + dGDP-glucose
very low activity
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-
?
GTP + alpha-D-glucosamine 1-phosphate
diphosphate + GDP-glucosamine
best substrate
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-
?
GTP + D-mannose 1-phosphate
diphosphate + GDP-mannose
-
less effective than alpha-D-glucose 1-phosphate
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r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
?
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
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-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
-
r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
-
-
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r
GTP + alpha-D-glucose 1-phosphate
diphosphate + GDP-glucose
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r
additional information
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involved in biosynthesis of heparin in mast cell tissue
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?
additional information
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a bifunctional enzyme with phosphomannose isomerase (PMI), EC 5.3.1.8, and mannose-1-phosphate guanylyltransferase (Man-1-P GTase), EC 2.7.7.13, activities, which can synthesize GDP-mannose when accompanied by a phosphomannomutase/phosphoglucomutase (PMM/PGM) enzyme (PH0923). PH0925 protein is a thermostable enzyme with both PMI and multiple sugar-1-P NTase, cf. EC 2.7.7.37 and EC 2.7.7.34, activities
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?
additional information
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substrate specificity of the sugar-1-P NTase activity of the PH0925 protein, overview. No activity with fructose-1-phosphate, alpha-D-galactose-1-phosphate, and N-acetyl-D-glucosamine-1-phosphate and no activity with ATP, CTP, UTP, dATP, dCTP, and dTTP
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
?
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?
additional information
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involved in microbial metabolism of guanosine sugar nucleotides in Streptomyces sp.
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?