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Synonyms
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UDP-D-glucuronic acid pyrophosphorylase
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UDP-glucuronate pyrophosphorylase
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UDP-glucuronic acid pyrophosphorylase
UDP-sugar pyrophosphorylase
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UDP-sugar pyrophosphorylase gene (USP1)
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uridine diphosphoglucuronic pyrophosphorylase
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uridylyltransferase, glucuronate 1-phosphate
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UDP-glucuronic acid pyrophosphorylase
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UDP-glucuronic acid pyrophosphorylase
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UTP + 1-phospho-alpha-D-glucuronate = diphosphate + UDP-alpha-D-glucuronate
UTP + 1-phospho-alpha-D-glucuronate = diphosphate + UDP-alpha-D-glucuronate
Theorell-Chance mechanism
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UTP + 1-phospho-alpha-D-glucuronate = diphosphate + UDP-alpha-D-glucuronate
Theorell-Chance mechanism
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UTP + 1-phospho-alpha-D-glucuronate = diphosphate + UDP-alpha-D-glucuronate
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nucleotidyl group transfer
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MetaCyc
UDP-alpha-D-glucuronate biosynthesis (from myo-inositol)
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UTP:1-phospho-alpha-D-glucuronate uridylyltransferase
Also acts slowly with CTP.
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UTP + 1-phospho-alpha-D-glucuronate
diphosphate + UDP-alpha-D-glucuronate
UTP + alpha-D-glucose 1-phosphate
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Substrates: -
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UTP + alpha-D-glucose 1-phosphate
diphosphate + UDP-alpha-D-glucose
Substrates: nearly 50% conversion
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UTP + D-glucuronic acid 1-phosphate
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Substrates: predominant route whereby UDPglucuronic acid is termed in young barley seedlings
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UTP + D-glucuronic acid 1-phosphate
diphosphate + UDP-D-glucuronic acid
UTP + 1-phospho-alpha-D-glucuronate
diphosphate + UDP-alpha-D-glucuronate
Substrates: -
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UTP + 1-phospho-alpha-D-glucuronate
diphosphate + UDP-alpha-D-glucuronate
Substrates: approximately 30% conversion
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UTP + 1-phospho-alpha-D-glucuronate
diphosphate + UDP-alpha-D-glucuronate
Substrates: -
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UTP + D-glucuronic acid 1-phosphate
diphosphate + UDP-D-glucuronic acid
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Substrates: -
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UTP + D-glucuronic acid 1-phosphate
diphosphate + UDP-D-glucuronic acid
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Substrates: -
r
UTP + D-glucuronic acid 1-phosphate
diphosphate + UDP-D-glucuronic acid
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Substrates: at 16% of the activity observed with UTP
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UTP + D-glucuronic acid 1-phosphate
diphosphate + UDP-D-glucuronic acid
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Substrates: -
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UTP + D-glucuronic acid 1-phosphate
diphosphate + UDP-D-glucuronic acid
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Substrates: -
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UTP + 1-phospho-alpha-D-glucuronate
diphosphate + UDP-alpha-D-glucuronate
Substrates: -
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UTP + D-glucuronic acid 1-phosphate
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Substrates: predominant route whereby UDPglucuronic acid is termed in young barley seedlings
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Ca2+
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36% of the activation with Mg2+
Co2+
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40% of the activation with Mg2+
Mn2+
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can substitute for Mg2+ in either the forward or the reverse direction, 53% of the activation with Mg2+, excess of Mn2+ inhibits the reaction in both directions
Zn2+
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37% of the activation with Mg2+
Mg2+
maximum activity in the presence of Mg2+. 20 mM used in assay conditions
Mg2+
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best fulfills the requirement for a divalent cation, maximal activity of forward reaction at a Mg2+/UTP ratio of 2:1. In the reverse reaction below 5 mM diphosphate, a Mg2+:diphosphate ratio of approximately 1:1 gives optimal activity, excess of Mg2+ is inhibitory
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Mg2+
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best fulfills the requirement for a divalent cation, maximal activity of forward reaction at a Mg2+/UTP ratio of 2:1. In the reverse reaction below 5 mM diphosphate, a Mg2+:diphosphate ratio of approximately 1:1 gives optimal activity, excess of Mg2+ is inhibitory
Mn2+
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53% of the activation with Mg2+, excess of Mn2+ inhibits the reaction in both directions
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Dehydration
DNA methylation-mediated modulation of rapid desiccation tolerance acquisition and dehydration stress memory in the resurrection plant Boea hygrometrica.
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0.14
1-phospho-alpha-D-glucuronate
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0.23
alpha-D-glucose 1-phosphate
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0.33
D-glucuronic acid 1-phosphate
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pH 8.0, 30°C
0.5
UDP-D-glucuronic acid
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pH 8.0, 30°C
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0.0019
substrate alpha-D-mannose 1-phosphate
0.0022
substrate D-glucose 6-phosphate
0.0034
substrate N-acetyl-alpha-D-glucosamine 1-phosphate
0.097
substrate alpha-D-glucoronic acid 1-phosphate
0.11
substrate alpha-D-glucose 1-phosphate
0.112
substrate alpha-D-galactose 1-phosphate
additional information
UDP-GlcA PPase activity increases 3.9fold during embryo development (25-45 daf), the activity increases in proportion to the increase in seed fresh weight during embryo development
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UniProt
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Soybean (L.) Merrill
SwissProt
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var. Larker
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Linne
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Linne
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synchronous
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Highest Expressing Human Cell Lines
Filter by:
Cell Line Links
Gene Links
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USP1_SOYBN
600
0
66126
Swiss-Prot
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USP_ARATH
614
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67852
Swiss-Prot
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-20°C, if dialyzed and stored deep frozen the enzyme rapidly loses activity
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cloned in Escherichia coli
expressed in Pichia pastoris strain SMD1168H
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Roberts, R.M.
The formation of uridine diphosphate-glucuronic acid in plants. Uridine diphosphate-glucuronic acid pyrophosphorylase from barley seedlings
J. Biol. Chem.
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4995-5002
1971
Hordeum vulgare
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Toshinobu, H.; Akira, H.; Tooru, F.
Purification and properties of UDP-glucuronate pyrophosphorylase from pollen of Typha latifolia Linne
Plant Cell Physiol.
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1535-1543
1983
Typha latifolia, Typha latifolia Linne
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brenda
Amino, S.; Takeuchi, Y.; Komamine, A.
Changes in enzyme activities involved in formation and interconversion of UDP-sugars during the cell cycle in a synchronous culture of Catharanthus roseus
Physiol. Plant.
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111-117
1985
Catharanthus roseus
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brenda
Litterer, L.A.; Plaisance, K.L.; Schnurr, J.A.; Storey, K.K.; Jung, H.J.G.; Gronwald, J.W.; Somers, D.A.
Biosynthesis of UDP-glucuronic acid in developing soybean embryos: Possible role of UDP-sugar pyrophosphorylase
Physiol. Plant.
128
200-211
2006
Glycine max (Q09WE7)
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Zang, L.; Du, R.; Zang, H.; Wang, F.; Sheng, J.
Production of Arabidopsis thaliana UDP-sugar pyrophosphorylase by Pichia pastoris and its application in efficient UDP-Glucose and UDP-glucuronic acid synthesis
Appl. Biochem. Microbiol.
55
631-638
2019
Arabidopsis thaliana (Q9C5I1)
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