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U8501

Sigma-Aldrich

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

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

Synonym(s):

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

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About This Item

CAS Number:
9026-22-6
EC Number:
2.7.7.9 (BRENDA, IUBMB)
EC Number:
232-811-2
MDL number:
MFCD00132561
UNSPSC Code:
12352204
NACRES:
NA.54

Key Documents

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biological source

bakers yeast

Quality Level

200

type

Type X

form

lyophilized powder

specific activity

≥40 units/mg protein

composition

Protein, 30-60% modified Warburg-Christian

foreign activity

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

storage temp.

−20°C

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General description

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

Biochem/physiol Actions

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.

Physical form

Lyophilized, sulfate-free powder containing citrate buffer salt

Other Notes

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SLCH2975
0000311032
0000311032
SLCH2975
SLCL0650

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Activities of enzymes for sucrose-starch conversion in developing endosperm of rice and their association with grain filling in extra-heavy panicle types
Kato T, et al.
Plant Protection Science, 10(4), 442-450 (2007)
Ziying Huang et al.
Molecular biology reports, 38(7), 4291-4302 (2010-11-30)
OsUgp2, a rice UDP-glucose pyrophosphorylase gene, has previously been shown to preferentially express in maturing pollens and plays an important role in pollen starch accumulation. Here, a 1943 bp promoter fragment (P1943) of OsUgp2 was characterized by 5' deletion and
Expression of trehalose-6-phosphate phosphatase in maize ears improves yield in well-watered and drought conditions
Michael L N, et al.
Nature Biotechnology, 862?869-862?869 (2015)
Orelvis Portal et al.
Plant cell reports, 30(5), 913-928 (2011-02-01)
Mycosphaerella fijiensis, a hemibiotrophic fungus, is the causal agent of black leaf streak disease, the most serious foliar disease of bananas and plantains. To analyze the compatible interaction of M. fijiensis with Musa spp., a suppression subtractive hybridization (SSH) cDNA
Wen-Ling Deng et al.
Molecular plant-microbe interactions : MPMI, 23(9), 1184-1196 (2010-08-07)
Bacterial galU coding for a uridine diphosphate-glucose pyrophosphorylase plays an important role in carbohydrates biosynthesis, including synthesis of lipopolysaccharides (LPS), membrane-derived oligosaccharides, and capsular polysaccharides. In this study, we characterized the galU mutant of Pseudomonas syringae pv. syringae 61 (Psy61)
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