Recombinant Human STAT1
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Product specifications
| Category | Proteins and Peptides |
| Host | E.Coli |
| Reactivity | Human |
| Assay Data | Centrifuge the vial at 10000 rpm for 30 s before opening, reconstitute in sterile distilled water to a concentration of 0.1-1 mg/ml by gently pipetting 2-3 times, don't vortex. |
| Recommended Dilution | ¥ |
| Isotype | ¥ |
| Clone ID | ¥ |
| Observed MW | 85 kDa |
| Expression | Met1-Val712 |
| Purity | Greater than 80% as determined by SDS-PAGE. |
| Size 1 | 10μg |
| Size 2 | 50μg |
| Size 3 | 500μg |
| Size 4 | 1mg |
| Form | Lyophilized powder |
| Tested Applications | Western Blot, ELISA |
| Buffer | Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 0.02% Tween 80, 5% Sucrose, 4% Mannitol, pH 7.4. |
| Availability | 7 days |
| Storage | The lyophilized protein is stable at -20°C for up to 1 year. After reconstitution, the protein solution is stable at -20 to -80°C for 3 months or 1 week at 2 to 8°C under sterile conditions. For extended storage, it is recommended to further dilute in working aliquots, avoid repeated freeze/thaw cycle. |
| UniProt ID | P42224 |
| Alias | Signal Transducer and Activator of Transcription 1-Alpha/Beta, Transcription Factor ISGF-3 Components p91/p84, STAT1 |
| Background | Protein STAT1 |
| Status | RUO |
| Note | Endotoxin: < 1 EU/µg as determined by LAL test. |
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Signal transducer and transcription activator that mediates cellular responses to interferons(IFNs), cytokine KITLG/SCF and other cytokines and other growth factors. Following type I IFN(IFN-alpha and IFN-beta) binding to cell surface receptors, signaling via protein kinases leads to activation of Jak kinases(TYK2 and JAK1) and to tyrosine phosphorylation of STAT1 and STAT2. The phosphorylated STATs dimerize and associate with ISGF3G/IRF-9 to form a complex termed ISGF3 transcription factor, that enters the nucleus. ISGF3 binds to the IFN stimulated response element(ISRE) to activate the transcription of IFN-stimulated genes(ISG), which drive the cell in an antiviral state. In response to type II IFN(IFN-gamma), STAT1 is tyrosine-and serine-phosphorylated. It then forms a homodimer termed IFN-gamma-activated factor(GAF), migrates into the nucleus and binds to the IFN gamma activated sequence(GAS) to drive the expression of the target genes, inducing a cellular antiviral state. Becomes activated in response to KITLG/SCF and KIT signaling. May mediate cellular responses to activated FGFR1, FGFR2, FGFR3 and FGFR4.
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