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SKU: PKSH030783_100μg-ES
Recombinant Human STAT1 Protein (His &GST Tag), 100 μg
STAT1 is a member of the STAT protein family. In response to cytokines and growth factors; STAT family members are phosphorylated by the receptor associated kinases; and then form homo- or heterodimers that translocate to the cell nucleus where they act as transcription activators. STAT1 can be activated by various ligands; including interferon-alpha; interferon-gamma; EGF; PDGF and IL6. It is a signal transducer and transcription activator that mediates cellular responses to interferons (IFNs); cytokine KITLG/SCF and other cytokines and growth factors. The phosphorylated STATs dimerize; 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 interferon stimulated genes; 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. STAT1 becomes activated in response to KITLG/SCF and KIT signaling and may mediate cellular responses to activated FGFR1; FGFR2; FGFR3 and FGFR4. Defects in STAT1 can cause STAT1 deficiency complete and familial candidiasis type 7.
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Product Specification
Basic Information
Brands:Elabscience
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Place of Origin:China
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Reconstitution:Please refer to the printed manual for detailed information.
Shipping:This product is provided as lyophilized powder which is shipped with ice packs.
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Calculated Molecular Weight:111 kDa
Observed Molecular Weight:105 kDa
Purity: > 92 % as determined by reducing SDS-PAGE.
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Storage:Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
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Calculated Molecular Weight:111 kDa
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Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
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Research Areas:Signal Transduction,Epigenetics and Nuclear Signaling,Cancer
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Bio-activity:Not validated for activity
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Formulation:Lyophilized from sterile 20mM Tris, 500mM NaCl, pH 7.4
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
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