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GS61

Sigma-Aldrich

GST A2-2, Recombinant Human

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Synonym(s):
GST2, GTA2, GTH2, glutathione S-transferase alpha 2
NACRES:
NA.26

biological source

human

Quality Level

recombinant

expressed in E. coli

Assay

>95% (SDS-PAGE)

form

frozen liquid

specific activity

15.95 units/mg protein (using spectrophotometric determination of 1-chloro-2,4-dinitrobenzene (CDNB) conjugation with reduced glutathione (1 mM) in 100 mM NaPO4 (pH 6.5) at 30°C.)

mol wt

23 kDa

concentration

1.52 mg/mL

storage temp.

−70°C

Gene Information

human ... GSTA2(2939)

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This Item
GS60GS66GS70
recombinant

expressed in E. coli

recombinant

expressed in E. coli

recombinant

expressed in E. coli

recombinant

expressed in E. coli

assay

>95% (SDS-PAGE)

assay

>95% (SDS-PAGE)

assay

>95% (SDS-PAGE)

assay

>95% (SDS-PAGE)

form

frozen liquid

form

frozen liquid

form

frozen liquid

form

frozen liquid

specific activity

15.95 units/mg protein (using spectrophotometric determination of 1-chloro-2,4-dinitrobenzene (CDNB) conjugation with reduced glutathione (1 mM) in 100 mM NaPO4 (pH 6.5) at 30°C.)

specific activity

21.04 units/mg protein (using spectrophotometric determination of 1-chloro-2,4-dinitrobenzene (CDNB) conjugation with reduced glutathione (1 mM) in 100 mM NaPO4 (pH 6.5) at room temperature.)

specific activity

93.3 units/mg protein (using spectrophotometric determination of 1-chloro-2,4-dinitrobenzene (CDNB) conjugation with reduced glutathione (1 mM) in 100 mM NaPO4 (pH 6.5) at room temperature.)

specific activity

60.45 units/mg protein (using spectrophotometric determination of 1-chloro-2,4-dinitrobenzene (CDNB) conjugation with reduced glutathione (1.0 mM) in 100 mM KPO4 (pH 6.5) at room temperature.)

mol wt

23 kDa

mol wt

23 kDa

mol wt

26 kDa

mol wt

23 kDa

Biochem/physiol Actions

Glutathione S-transferase alpha 2 (GSTA2) is an enzyme that in humans is encoded by the GSTA2 gene. Glutathione S-transferases (GSTs) are a family of enzymes that play an important role in detoxification by catalyzing the conjugation of many hydrophobic and electrophilic compounds with reduced glutathione. Based on their biochemical, immunologic, and structural properties, cytosolic and membrane-bound forms of glutathione S-transferase are encoded by two distinct supergene families. At present, eight distinct classes of the soluble cytoplasmic mammalian glutathione S-transferases have been identified: alpha, kappa, mu, omega, pi, sigma, theta and zeta. The GSTs are thought to function in xenobiotic metabolism and play a role in susceptibility to cancer, and other diseases.
The genes encoding these enzymes are known to be highly polymorphic. These genetic variations can change an individual′s susceptibility to carcinogens and toxins as well as affect the toxicity and efficacy of some drugs. This gene encodes a glutathione S-tranferase belonging to the alpha class. The alpha class genes, located in a cluster mapped to chromosome 6, are the most abundantly expressed glutathione S-transferases in liver. In addition to metabolizing bilirubin and certain anti-cancer drugs in the liver, the alpha class of these enzymes exhibit glutathione peroxidase activity thereby protecting the cells from reactive oxygen species and the products of peroxidation.

Storage and Stability

The enzyme should be used by the end-user customer within 1 year of receipt.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Francesca Bonifazi et al.
Haematologica, 99(1), 172-179 (2013-09-24)
Busulfan liver metabolism depends on glutathione, a crucial mediator of cellular and systemic stress. Here we investigated 40 polymorphisms at 27 loci involved in hepatic glutathione homeostasis, with the aim of testing their impact on the clinical outcome of 185
Jingping Xie et al.
Journal of cellular biochemistry, 95(2), 339-351 (2005-03-22)
The effectiveness of bifunctional alkylating nitrogen mustard compounds in chemotherapy is related to their ability to form DNA inter-strand crosslinks. Patients exposed to DNA inter-strand crosslinking (ICL) agents subsequently experience an elevated incidence of myelodysplastic syndromes (MDS) and MDS related
Susana N Silva et al.
Oncology reports, 22(3), 593-598 (2009-07-30)
Glutathione-S-transferases (GSTs) are a super-family of phase II metabolizing enzymes that catalyse the detoxification of a large range of endogenous and exogenous toxic compounds, playing an important role in protecting cells against damage, through glutathione conjugation with electrophilic substances. Polymorphic
Keiko Maekawa et al.
Drug metabolism and pharmacokinetics, 26(6), 646-658 (2011-08-17)
Glutathione S-transferases (GSTs) play a vital role in the phase II biotransformation of many chemicals, including anticancer drugs. In this study, to elucidate the haplotype structures of the two closely related alpha-class genes GSTA1 and GSTA2, we screened for genetic
Takehiro Matsumura et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 27(8), 3198-3208 (2013-05-08)
Steroidogenic factor 1 (SF-1) is a master regulator for steroidogenesis. In this study, we identified novel SF-1 target genes using a genome-wide promoter tiling array and a DNA microarray. SF-1 was found to regulate human glutathione S-transferase A (GSTA) family

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