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T6258

Sigma-Aldrich

Triosephosphate Isomerase from rabbit muscle

Type X, lyophilized powder, ≥3,500 units/mg protein

Synonyme(s) :

D-Glyceraldehyde-3-phosphate ketol-isomerase, TPI

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About This Item

Numéro CAS:
9023-78-3
Numéro de classification (Commission des enzymes):
5.3.1.1 (BRENDA, IUBMB)
Numéro CE :
232-774-2
Numéro MDL:
MFCD00082080
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Type

Type X

Forme

lyophilized powder

Activité spécifique

≥3,500 units/mg protein

Poids mol.

calculated mol wt 53.2 kDa

Composition

Protein, 60-90% biuret

Activité étrangère

pyruvate kinase, lactic dehydrogenase, 3-phosphoglyceric phosphokinase, phosphoglucose isomerase, α-glycerophosphate dehydrogenase, aldolase and glyceraldehyde-3-phosphate dehydrogenase ≤0.01%

Température de stockage

−20°C

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Description générale

Triosephosphate isomerase (TPI) gene is located on human chromosome 12p13. It is expressed in all tissues. This homodimer of two 27 kDa subunits is highly stable and is made up of 248 amino acids. TPI is catalytically active in its dimeric state.

Application

Triosephosphate Isomerase from rabbit muscle has been complexed with p-hydroxymercurybenzoate (PHMB) to denature the protein for hydrophobic interaction chromatography coupled online with chemical vapour atomic fluorescence spectrometry (HIC−CVGAFS).
Triosephosphate isomerase has been used in a study to assess changes in cardiac energy metabolic pathways in overweight rats fed a high-fat diet. Triosephosphate isomerase has also been used in a study to investigate proteomic identification of carbonylated proteins in F344 rat hippocampus after 1-bromopropane exposure.

Actions biochimiques/physiologiques

Triosephosphate isomerase (TPI) is responsible for the catalysis of the triose phosphate isomers, dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. TPI deficiency is associated with glycolytic enzymopathy. Lack of TPI is also associated with chronic hemolytic anemia, enhanced exposure to bacterial infections, cardiomyopathy and neuromuscular disease.

Conditionnement

Package size based on protein content

Définition de l'unité

One unit will convert 1.0 μmole D-glyceraldehyde 3-phosphate to dihydroxyacetone phosphate per min at pH 7.6 at 25 °C.

Forme physique

Sulfate-free, contains EDTA and borate buffer salts

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)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Hydrophobic interaction chromatography coupled with atomic fluorescence spectrometric detection: Effect of the denaturation on the determination of thiolic proteins
Bramanti E, et al.
Talanta, 63(2), 383-389 (2004)
Changes in cardiac energy metabolic pathways in overweighed rats fed a high-fat diet
Modrego, J., et al.
European Journal of Nutrition, DOI: 10-DOI: 10 (2012)
Red blood cell enzymopathies
Hematology, 616-625 (2018)
Zhenlie Huang et al.
Toxicology and applied pharmacology, 263(1), 44-52 (2012-06-12)
1-Bromopropane (1-BP) is neurotoxic in both experimental animals and humans. Previous proteomic analysis of rat hippocampus implicated alteration of protein expression in oxidative stress, suggesting that oxidative stress plays a role in 1-BP-induced neurotoxicity. To understand this role at the
Triosephosphate isomerase deficiency: new insights into an enigmatic disease
Orosz F, et al.
Biochimica et Biophysica Acta (BBA)-Molecular Basis of Disease, 1792(12), 1168-1174 (2009)
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