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Recombinant Yeast Thioredoxin

CAT: 0793-32-5263-20Size: 20 µgDry Ice: NoHazardous: No
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CAT#:0793-32-5263-20Size:20 µg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Source : Escherichia Coli. Thioredoxin Yeast Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain having a molecular mass of 12.6kDa. 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.
Product Name Alternative
Thioredoxin-1||Thioredoxin I||TR-I||Thioredoxin-2||TRX1||TRX2||YLR043C.
Purification
Greater than 95.0% as determined by SDS-PAGE.
Components
Each mg of protein contains 20mM phosphate buffer pH 7.4.
Storage Conditions
TRX although stable at 4°C for 3 weeks, should be stored desiccated below -18°C. Please prevent freeze thaw cycles.
Applications Notes
It is recommended to reconstitute the lyophilized TRX in sterile 18MΩ-cm H2O. TRX activity is assayed by measuring the change in absorbance at 650 nm at 25°C using 0.13μM bovine insulin containing 0.33mM DTT (pH 6.5) .The specific activity was found to be 5.8units/mg.

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