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Protein Page:
TXN (human)

Overview
TXN Participates in various redox reactions through the reversible oxidation of its active center dithiol to a disulfide and catalyzes dithiol-disulfide exchange reactions. Plays a role in the reversible S-nitrosylation of cysteine residues in target proteins, and thereby contributes to the response to intracellular nitric oxide. Nitrosylates the active site Cys of CASP3 in response to nitric oxide (NO), and thereby inhibits caspase-3 activity. Induces the FOS/JUN AP-1 DNA-binding activity in ionizing radiation (IR) cells through its oxidation/reduction status and stimulates AP-1 transcriptional activity. Homodimer; disulfide-linked. Interacts with TXNIP through the redox-active site. Interacts with MAP3K5 and CASP3. In case of infection, interacts with S.typhimurium protein slrP. Interacts with APEX1; the interaction stimulates the FOS/JUN AP-1 DNA- binding activity in a redox-dependent manner. Up-regulated by ionizing radiation. Belongs to the thioredoxin family. Note: This description may include information from UniProtKB.
Protein type: Nuclear receptor co-regulator
Chromosomal Location of Human Ortholog: 9q31
Cellular Component: cytoplasm; cytosol; mitochondrion; nucleoplasm; nucleus
Molecular Function: oxidoreductase activity, acting on sulfur group of donors, disulfide as acceptor; protein binding; protein disulfide oxidoreductase activity
Biological Process: activation of protein kinase B; cell motility; cell proliferation; cell redox homeostasis; cell-cell signaling; nucleobase, nucleoside and nucleotide interconversion; positive regulation of DNA binding; positive regulation of peptidyl-serine phosphorylation; positive regulation of protein kinase B signaling cascade; protein folding; protein repair; regulation of protein import into nucleus, translocation; response to radiation; response to reactive oxygen species; signal transduction; sulfate assimilation
Reference #:  P10599 (UniProtKB)
Alt. Names/Synonyms: ADF; ATL-derived factor; DKFZp686B1993; MGC61975; SASP; Surface-associated sulphydryl protein; THIO; Thioredoxin; TRDX; TRX; TRX1; TXN
Gene Symbols: TXN
Molecular weight: 11,737 Da
Basal Isoelectric point: 4.82  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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TXN

Protein Structure Not Found.
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