Thioredoxin, Recombinant, Human

Catalog No : USB-209231
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Product name Thioredoxin, Recombinant, Human
Catalog No USB-209231
Supplier’s Catalog No 209231
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 11.7
Storage -20°C
Other names
Grade Highly Purified
Purity ~95% (RP-HPLC, SDS-PAGE)
Form Supplied as a liquid in 20mM phosphate buffer, pH 7.4. No preservative added.
Reactivity life 12 months
Note For reserch purpose only
Purity ~95% (RP-HPLC, SDS-PAGE)
Description Thioredoxins are small disulphide-containing redox proteins (within the conserved Cys-Gly-Pro-Cys active site) that have been found in all the kingdoms of living organisms. Thioredoxin contains a single disulfide active site and serves as a general protein disulphide oxidoreductase. Thioredoxins are involved in the first unique step in DNA synthesis. It interacts with a broad range of proteins by a redox mechanism based on reversible oxidation of two cysteine thiol groups to a disulphide, accompanied by the transfer of two electrons and two protons. The net result is the covalent interconversion of a disulphide and a dithiol. It has been suggested that thioredoxin may catalyze the formation of correct disulfides during protein folding because of its ability to act as an efficient oxidoreductant. Trx also provides control over a number of transcription factors affecting cell proliferation and death through a mechanism referred to as redox regulation. Source: Recombinant protein corresponding to human Thioredoxin, a single, non-glycosylated, polypeptide chain containing 105aa, expressed in E. coli. Molecular Weight: ~11.7kD Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.