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T2507

Sigma-Aldrich

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

Type I, ammonium sulfate suspension, ~10,000 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 I

Niveau de qualité

200

Forme

ammonium sulfate suspension

Activité spécifique

~10,000 units/mg protein

Poids mol.

53 kDa by equilibrium centrifugation

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

2-8°C

Application

Triosephosphate isomerase has been used in a study to assess differential expression of fourteen proteins of uveal melanoma. Triosephosphate isomerase has also been used in a study to investigate the use of sigmoid pH gradients in free-flow isoelectric focusing of human endothelial cell proteins.

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

Crystalline suspension in 2.7 M (NH4)2SO4, 0.5 mM EDTA, pH 6.5

Remarque sur l'analyse

Protein determined by biuret.

Autres remarques

Since the assay of this enzyme seems to be sensitive to minor variables, packages are dispensed per mg protein rather than in units.

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)

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Xiao Ma et al.
Electrophoresis, 33(9-10), 1349-1355 (2012-06-01)
Prefractionation of proteins enhances the resolution of proteome analysis of whole cells. Free-flow electrophoresis (FFE) provides a useful step in various prefractionation protocols, since matrix-free isoelectric focusing (FF-IEF) performed in this machine enables the enrichment of large, easily absorbable, sensitive
Annett Linge et al.
Investigative ophthalmology & visual science, 53(8), 4634-4643 (2012-05-10)
To compare the proteomic profiles of two categories of primary uveal melanoma tissue samples; those from patients who have subsequently developed metastatic disease and those who have not. Two-dimensional difference gel electrophoresis (2D DIGE) was performed on 25 uveal melanoma
Rongchang Yang et al.
Experimental parasitology, 137, 46-52 (2013-12-21)
A novel quantitative PCR (qPCR) for Giardia at the glutamate dehydrogenase (gdh) locus was developed and validated. The qPCR was used to screen a total of 3412 lamb faecal samples collected from approximately 1189 lambs at three sampling periods (weaning
Xiaochen He et al.
Journal of cellular physiology, 237(8), 3317-3327 (2022-05-28)
Hypertension is an important risk factor in the pathogenesis of diastolic dysfunction. Growing evidence indicates that glucose metabolism plays an essential role in diastolic dysfunction. TP53-induced glycolysis and apoptosis regulator (TIGAR) has been shown to regulate glucose metabolism and heart
Rebecca Blomberg et al.
Nature, 503(7476), 418-421 (2013-10-18)
Linus Pauling established the conceptual framework for understanding and mimicking enzymes more than six decades ago. The notion that enzymes selectively stabilize the rate-limiting transition state of the catalysed reaction relative to the bound ground state reduces the problem of
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How to Work with Enzymes Supplied as Ammonium Sulfate Suspensions

Instructions for working with enzymes supplied as ammonium sulfate suspensions

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