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G6511

Sigma-Aldrich

Glutathione S-Transferase from equine liver

lyophilized powder, ≥25 units/mg protein

Synonyme(s) :

GST, Glutathione R-transferase, Glutathione S-alkenetransferase, Glutathione S-alkyltransferase, Glutathione S-aralkyltransferase, Glutathione S-aryltransferase, Glutathione S-epoxidetransferase

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About This Item

Numéro CAS:
Numéro de classification (Commission des enzymes):
Numéro MDL:
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.47

Source biologique

equine liver

Niveau de qualité

Forme

lyophilized powder

Activité spécifique

≥25 units/mg protein

Poids mol.

45-50 kDa

Composition

Protein, ≥60%

Température de stockage

−20°C

Description générale

Glutathione S-transferase (GST) is a major detoxification enzyme, and exists as multiple cytoplasmic and membrane-bound isozymes. These isozymes differ in their catalytic activity, as well as in their non-catalytic binding properties. Cytoplasmic isoforms of GST are encoded by five genes, namely α, θ, μ, σ and π. α, μ and π are the most abundant forms in mammals. Membrane bound GST forms are encoded by a single gene.

Actions biochimiques/physiologiques

Glutathione S-transferase (GST) from equine liver has been used-
  • as a constituent of Tris buffer for incubation of human umbilical vein endothelial cells (HUVEC) with atracurium to assess the proliferation of HUVEC in the presence of atracurium
  • as a component of GSB stock solution to determine GSB (glutathione S-bimane) conjugate fluorescence intensity in intact Arabidopsis cells
  • as an enzyme standard in spectrophotometric assay to determine the activity of GST
Glutathione S-transferases are a family of proteins that catalyze the conjugation of reduced glutathione with a variety of hydrophobic chemicals containing electrophilic centers.

Définition de l'unité

One unit will conjugate 1.0 μmole of 1-chloro-2,4-dinitrobenzene with reduced glutathione per min at pH 6.5 at 25°C.

Forme physique

Lyophilized powder containing Tris, reduced glutathione and EDTA.

Remarque sur l'analyse

Protein determined by biuret.
Purified and assayed by a modification of the method of Simons and Vander Jagt.
Enzymatic activities are based on the conjugation of reduced glutathione with a second substrate. The individual proteins generally have activity with more than one class of substrate.

Inhibiteur

Réf. du produit
Description
Tarif

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

Pictogrammes

Health hazard

Mention d'avertissement

Danger

Mentions de danger

Conseils de prudence

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

11 - Combustible Solids

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, type N95 (US)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

A Amann et al.
Anesthesia and analgesia, 93(3), 690-696 (2001-08-29)
We tested the influence of atracurium and cisatracurium (final concentrations: 0, 0.96, 3.2, 9.6, 32, and 96 microM) on proliferation of human cells (hepatoma HepG2 cells and human umbilical vein endothelial cells) in vitro. In additional experiments, glutathione, N-acetylcysteine, or
Molecular cloning and characterization of a Glutathione S-transferase gene from Hessian fly (Diptera: Cecidomyiidae)
Yoshiyama M and Shukle R H
Annals of the Entomological Society of America, 97(6), 1285-1293 (2004)
Melissa P Mezzari et al.
Plant physiology, 138(2), 858-869 (2005-06-01)
Understanding the function of detoxifying enzymes in plants toward xenobiotics is of major importance for phytoremediation applications. In this work, Arabidopsis (Arabidopsis thaliana; ecotype Columbia) seedlings were exposed to 0.6 mm acetochlor (AOC), 2 mm metolachlor (MOC), 0.6 mm 2,4,6-trinitrotoluene
Carlota Roca et al.
Pharmaceutics, 14(11) (2022-11-27)
The methyl erythritol phosphate (MEP) pathway of isoprenoid biosynthesis is essential for malaria parasites and also for several human pathogenic bacteria, thus representing an interesting target for future antimalarials and antibiotics and for diagnostic strategies. We have developed a DNA
J D Hayes et al.
Critical reviews in biochemistry and molecular biology, 30(6), 445-600 (1995-01-01)
The glutathione S-transferases (GST) represent a major group of detoxification enzymes. All eukaryotic species possess multiple cytosolic and membrane-bound GST isoenzymes, each of which displays distinct catalytic as well as noncatalytic binding properties: the cytosolic enzymes are encoded by at

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