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GSTA3 Full-Length MS Protein Standard

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Product Description


NameGSTA3 Full-Length MS Protein Standard
Cat#CPFL304624
Protein Nameglutathione S-transferase alpha 3
SymbolGSTA3
SynonymsGSTA3-3; GTA3
AccessionNM_000847
Cytogenetic6p12.1
Amino Acid Labeled[U- 13C6, 15N4]-L-Arg and [U- 13C6, 15N2]-L-Lys
DescriptionGSTA3 Full-Length MS Protein Standard (NP_000838), Labeled with [U- 13C6, 15N4]-L-Arginine and [U- 13C6, 15N2]-L-Lysine, was produced in human 293 cells (HEK293) with fully chemically defined cell culture medium to obtain incorporation efficiency at Creative-Proteomics. Cytosolic and membrane-bound forms of glutathione S-transferase are encoded by two distinct supergene families. These enzymes are involved in cellular defense against toxic, carcinogenic, and pharmacologically active electrophilic compounds. 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. This gene encodes a glutathione S-tranferase belonging to the alpha class genes that are located in a cluster mapped to chromosome 6. Genes of the alpha class are highly related and encode enzymes with glutathione peroxidase activity. However, during evolution, this alpha class gene diverged accumulating mutations in the active site that resulted in differences in substrate specificity and catalytic activity. The enzyme encoded by this gene catalyzes the double bond isomerization of precursors for progesterone and testosterone during the biosynthesis of steroid hormones. An additional transcript variant has been identified, but its full length sequence has not been determined.

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