Anti-STAT1 (phospho S727) 抗体 (ab119331)


  • 製品名Anti-STAT1 (phospho S727) antibody
    STAT1 一次抗体 製品一覧
  • 製品の詳細
    Rabbit polyclonal to STAT1 (phospho S727)
  • 特異性ab119331 detects endogenous levels of STAT1 only when phosphorylated at serine 727.
  • アプリケーション適用あり: WB, IHC-P, ICC/IFmore details
  • 種交差性
    交差種: Mouse, Human
    交差が予測される動物種: Rat
  • 免疫原

    Synthetic phosphopeptide conjugated to KLH, surrounding the phosphorylation site of serine 727 (PMSPE) of Human STAT1.

  • ポジティブ・コントロール
    • HeLa cells; HeLa cell extracts; Human breast carcinoma tissue.




Our Abpromise guarantee covers the use of ab119331 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

アプリケーション Abreviews 特記事項
WB 1/500 - 1/1000. Detects a band of approximately 91 kDa (predicted molecular weight: 87 kDa).
IHC-P 1/50 - 1/100.
ICC/IF 1/100 - 1/200.


  • 機能Signal transducer and activator of transcription that mediates signaling by interferons (IFNs). Following type I IFN (IFN-alpha and IFN-beta) binding to cell surface receptors, Jak kinases (TYK2 and JAK1) are activated, leading to tyrosine phosphorylation of STAT1 and STAT2. 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.
  • 関連疾患Note=STAT1 deficiency results in impaired immune response leading to severe mycobacterial and viral diseases. In the case of complete deficiency, patients can die of viral disease.
    Defects in STAT1 are a cause of mendelian susceptibility to mycobacterial disease (MSMD) [MIM:209950]; also known as familial disseminated atypical mycobacterial infection. This rare condition confers predisposition to illness caused by moderately virulent mycobacterial species, such as Bacillus Calmette-Guerin (BCG) vaccine and environmental non-tuberculous mycobacteria, and by the more virulent Mycobacterium tuberculosis. Other microorganisms rarely cause severe clinical disease in individuals with susceptibility to mycobacterial infections, with the exception of Salmonella which infects less than 50% of these individuals. The pathogenic mechanism underlying MSMD is the impairment of interferon-gamma mediated immunity whose severity determines the clinical outcome. Some patients die of overwhelming mycobacterial disease with lepromatous-like lesions in early childhood, whereas others develop, later in life, disseminated but curable infections with tuberculoid granulomas. MSMD is a genetically heterogeneous disease with autosomal recessive, autosomal dominant or X-linked inheritance.
  • 配列類似性Belongs to the transcription factor STAT family.
    Contains 1 SH2 domain.
  • 翻訳後修飾Phosphorylated on tyrosine and serine residues in response to IFN-alpha, IFN-gamma, PDGF and EGF. Phosphorylation on Tyr-701 (lacking in beta form) by JAK promotes dimerization and subsequent translocation to the nucleus. Phosphorylation on Ser-727 by several kinases including MAPK14, ERK1/2 and CAMKII on IFN-gamma stimulation, regulates STAT1 transcriptional activity. Phosphorylation on Ser-727 promotes sumoylation though increasing interaction with PIAS. Phosphorylation on Ser-727 by PKCdelta induces apoptosis in response to DNA-damaging agents.
    Sumoylated by SUMO1, SUMO2 and SUMO3. Sumoylation is enhanced by IFN-gamma-induced phosphorylation on Ser-727, and by interaction with PIAS proteins. Enhances the transactivation activity.
  • 細胞内局在Cytoplasm. Nucleus. Translocated into the nucleus in response to IFN-gamma-induced tyrosine phosphorylation and dimerization.
  • Information by UniProt
  • 参照データベース
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Anti-STAT1 (phospho S727) antibody 画像

  • ab119331 at 1/100 dilution staining STAT1 in HeLa cells by Immunofluorescence.
  • Anti-STAT1 (phospho S727) antibody (ab119331) at 1/500 dilution + HeLa cell extract

    Predicted band size : 87 kDa
    Observed band size : 91 kDa (why is the actual band size different from the predicted?)
  • ab119331 at 1/50 dilution staining STAT1 in Paraffin-embedded Human Breast carcinoma tissue by Immunohistochemistry. The image on the right is treated with the synthesized peptide.

Anti-STAT1 (phospho S727) antibody (ab119331) 使用論文

ab119331 has not yet been referenced specifically in any publications.

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