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P5381

Sigma-Aldrich

Phosphoglucose Isomerase from baker′s yeast (S. cerevisiae)

Type III, ammonium sulfate suspension, ≥400 units/mg protein (biuret)

Synonyme(s) :

D-Glucose-6-phosphate ketol-isomerase, PGI, Phosphosaccharomutase

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About This Item

Numéro CAS:
9001-41-6
Numéro de classification (Commission des enzymes):
5.3.1.9 (BRENDA, IUBMB)
Numéro CE :
232-603-1
Numéro MDL:
MFCD00131887
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Source biologique

bakers yeast

Niveau de qualité

200

Type

Type III

Forme

ammonium sulfate suspension

Activité spécifique

≥400 units/mg protein (biuret)

Poids mol.

tetramer 119,500 Da±600

Concentration

≥3 mg/mL protein Biuret

Technique(s)

activity assay: suitable

Couleur

white

Numéro d'accès Protein ID

NP_009755.1

Numéro d'accès UniProt

P12709

Température de stockage

2-8°C

Informations sur le gène

yeast ... PGI1(852495)

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Description générale

Research area: Cell Signaling

Phosphoglucose Isomerase ubiquitous multifunctional cytosolic protein. This dimeric protein has a molecular weight of approximately 119,500 ± 600 and is composed of four subunits that are nearly identical.

Application

Phosphoglucose Isomerase from baker′s yeast (S. cerevisiae) has been used:
  • to convert fructose-6-phosphate to glucose-6-phosphate during the enzymatic measurement of serum mannose levels.
  • as one of the enzymes in the series of four enzyme-coupled reactions to measure phosphomannomutase (PMM) activity.
  • to convert fructose to glucose while evaluating fructose content in kudzu roots.

Actions biochimiques/physiologiques

Phosphoglucose Isomerase(PGI) is an enzyme crucial for the interconversion of D-glucose 6-phosphate and D-fructose 6-phosphate. PGI is responsible for the second step of glycolysis and is involved in glucogenesis and pentose phosphate pathway (PPP). It is highly conserved in bacteria and eukaryotes. PGI plays a vital role in the survival of A. fumigatus and demonstrates diverse functions that encompass development, biosynthesis of cell wall glucan, and virulence.Phosphoglucose Isomerase functions as an isomerase, neuroleukin, autocrine motility factor, and a differentiation and maturation mediator.

Définition de l'unité

One unit will convert 1.0 μmole of D-fructose 6-phosphate to D-glucose 6-phosphate per min at pH 7.4 at 25 °C.

Forme physique

Crystalline suspension in 2.6 M (NH4)2SO4 containing 0.1 mM magnesium acetate, pH 7.0

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H334

Conseils de prudence

P261 - P284 - P501

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

S L Lowe et al.
The Journal of biological chemistry, 250(1), 94-99 (1975-01-10)
Bakers' yeast phosphoglucose isomerase was studied by both chemical and physical methods to determine its submit structure. Gel filtration in 6 M guanidine HCl as well as acrylamide gel electrophoresis of sodium dodecyl sulfatedentured phosphoglucose isomerase showed two speices corresponding
Kudzu [Pueraria montana (Lour.) Merr. Variety lobata: A new source of carbohydrate for bioethanol production
Sage RF, et al.
Biomass and Bioenergy, 33, 57-61 (2009)
J Pozueta-Romero et al.
FEBS letters, 291(2), 233-237 (1991-10-21)
The standardized enzyme coupling method for assaying sucrose synthase activities in the direction of sucrose cleavage was reexamined using enzyme preparations from cultured cells of sycamore (Acer pseudoplatanus L.) and spinach leaves (Spinacea oleracea). Both ATP and Tris, commonly utilized
B K Campbell et al.
Reproduction (Cambridge, England), 140(5), 721-732 (2010-08-19)
Glucose is a critical metabolic fuel in most mammals although many foodstuffs also contain high levels of the monosaccharides, galactose and fructose. The aims of this work were to determine the insulin response to challenges of these sugars (experiment 1)
Johannes Yayo et al.
Applied and environmental microbiology, 87(9) (2021-02-21)
The native ability of Clostridium thermocellum to efficiently solubilize cellulose makes it an interesting platform for sustainable biofuel production through consolidated bioprocessing. Together with other improvements, industrial implementation of C. thermocellum, as well as fundamental studies into its metabolism, would
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