AVANTI POLAR LIPIDS , CYGNUS , LARODAN , ADIPOGEN , MYBIOSOURCE , SERVA NORDMARK, BIOWORLD, EDGEBIO , PANREAC APPLICHEM
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Product description: The mammalian thioredoxin reductases (TrxRs) are a family of selenocysteine-containing pyridine nucleotide-disulfide oxidoreductases. All the mammalian TrxRs are homologous to glutathione reductase with respect to primary structure including the conserved redox catalytic site (-Cys-Val-Asn-Val-Gly-Cys-) but distinctively with a C-terminal extension containing a catalytically active penultimate selenocysteine (SeCys) residue in the conserved sequence(-Gly-Cys-SeCys-Gly). TrxR is homodimeric protein in which each monomer includes an FAD prosthetic group, a NADPH binding site and a redox catalytic site. Electrons are transferred from NADPH via FAD and the active-site disulfide to C-terminal SeCys-containing redox center, which then reduces the substrate like thioredoxin. The members of TrxR family are 55 - 58 kilodalton in molecular size and composed of three isoforms including cytosolic TrxR1, mitochondrial TrxR2, and TrxR3, known as Trx and GSSG reductase (TGR). TrxR plays a key role in protection of cells against oxidative stress and redox-regulatory mechanism of transcription factors and various biological phenomena (1). Isoform 1 may possess glutaredoxin activity as well as thioredoxin reductase activity and induces actin and tubulin polymerization, leading to formation of cell membrane protrusions. Isoform 4 enhances the transcriptional activity of estrogen receptors alpha and beta while isoform 5 enhances the transcriptional activity of the beta receptor only. Isoform 5 also mediates cell death induced by a combination of interferon-beta and retinoic acid.
Alternate Names/Synonyms: TR; TXNRD1; GRIM12; GRIM-12; EC=18.104.22.168; Thioredoxin Reductase TR1; KM-102-derived Reductase-like Factor; Thioredoxin Reductase 1; Cytoplasmic; Gene Associated with Retinoic and IFN-induced Mortality 12 Protein
Product Type: Kit
Sensitivity: 0.39 ng/ml
Range: 0.39 ng/ml - 25 ng/ml
Sample Type: Human Serum, Plasma, Cell Lysate Buffered Solution
Assay Type: Sandwich
Detection Type: Colorimetric
Short Term Storage: +4°C
Long Term Storage: +4°C
Shipping: BLUE ICE
Handling Advice Any unused reconstituted standard should be discarded or frozen at -80°C. Standard can be frozen and thawed one time only without loss of immunoreactivity.
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