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U8501

Sigma-Aldrich

Uridine-5′-diphosphoglucose pyrophosphorylase from baker′s yeast

Type X, lyophilized powder, ≥40 units/mg protein

Synonyme(s) :

UTP:α-D-glucose-1-phosphate uridylyltransferase

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About This Item

Numéro CAS:
9026-22-6
Numéro de classification (Commission des enzymes):
2.7.7.9 (BRENDA, IUBMB)
Numéro CE :
232-811-2
Numéro MDL:
MFCD00132561
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Source biologique

bakers yeast

Niveau de qualité

200

Type

Type X

Forme

lyophilized powder

Activité spécifique

≥40 units/mg protein

Composition

Protein, 30-60% modified Warburg-Christian

Activité étrangère

UDP-glucose dehydrogenase and galactose-1-phosphate uridyltransferase ≤0.1%
inorganic pyrophosphatase ≤0.5%

Température de stockage

−20°C

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Description générale

Uridine-5′-diphosphoglucose pyrophosphorylase (UDP-glc-PPase) is ubiquitous in plants, yeast, bacteria, and mammals. This enzyme is an octamer of eight identical sub-units.

Application

Uridine-5′-diphosphoglucose pyrophosphorylase from baker′s yeast has been used:
  • in the synthesis of uridine-5′-diphosphoglucose (UDP-Glc)-13C9
  • to quantify Suc synthase (SUS) enzyme activity in rice
  • to study the role of hexokinase and glycogen synthase controls the flux in frog oocytes

Actions biochimiques/physiologiques

Uridine-5′-diphosphoglucose pyrophosphorylase (UDP-glc-PPase) participates in catalyzing the synthesis of UDP-glucose. This enzyme requires divalent cations such as Mg2+, Ca2+, Mn2+, Ni2+ for its activity.

Définition de l'unité

One unit will form 1.0 μmole of glucose 1-phosphate from uridine-5′-diphosphoglucose and inorganic pyrophosphate per min at pH 7.6 at 25 °C.

Forme physique

Lyophilized, sulfate-free powder containing citrate buffer salt

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

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D J Sutor et al.
Clinica chimica acta; international journal of clinical chemistry, 86(3), 329-332 (1978-06-15)
The concentration of pyrophosphate in urine has been determined using the enzyme uridine-5'-diphosphoglucose pyrophosphorylase. The technique is relatively quick and easy to perform. Reproducibility of results was good, and results from recovery experiments were excellent. The mean concentration of pyrophosphate
Himangi R Jayakar et al.
BMC microbiology, 11, 179-179 (2011-08-09)
A number of studies have revealed that Francisella tularensis (FT) suppresses innate immune responses such as chemokine/cytokine production and neutrophil recruitment in the lungs following pulmonary infection via an unidentified mechanism. The ability of FT to evade early innate immune
Leszek A Kleczkowski et al.
The Biochemical journal, 439(3), 375-379 (2011-10-14)
Plant pyrophosphorylases that are capable of producing UDP-sugars, key precursors for glycosylation reactions, include UDP-glucose pyrophosphorylases (A- and B-type), UDP-sugar pyrophosphorylase and UDP-N-acetylglucosamine pyrophosphorylase. Although not sharing significant homology at the amino acid sequence level, the proteins share a common
Yonglan Yu et al.
PloS one, 5(9), e12593-e12593 (2010-09-11)
The trehalose synthetic pathway is present in bacteria, fungi, plants and invertebrate animals, but is absent in vertebrates. This disaccharide mainly functions as a stress protectant against desiccation, heat, cold and oxidation. Genes involved in trehalose synthesis have been observed
Jesús Rodríguez-Díaz et al.
Journal of biotechnology, 154(4), 212-215 (2011-06-15)
UDP-sugars are widely used as substrates in the synthesis of oligosaccharides catalyzed by glycosyltransferases. In the present work a metabolic engineering strategy aimed to direct the carbon flux towards UDP-glucose and UDP-galactose biosynthesis was successfully applied in Lactobacillus casei. The
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