Human Phospho-STAT2 (Y689) Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human STAT2 when phosphorylated at Y689 in Western blots.
  • Source
    Polyclonal Rabbit IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Phosphopeptide containing human STAT2 Y689 site
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.5 µg/mL
    See below
  • Simple Western
    5 µg/mL
    See below
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
  • Intracellular Staining by Flow Cytometry
    2.5 µg/106 cells
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Intracellular Staining by Flow Cytometry
Detection of Phospho-STAT2 in IFN-alpha -treated Daudi Human Cell Line by Flow Cytometry. Daudi human Burkitt's lymphoma cell line was unstimulated (light orange filled histogram) or treated with 500 units/mL Recombinant Human IFN‑ alpha (Catalog # 11100-1, dark orange filled histogram) for 20 minutes, then stained with Rabbit Anti-Human Phospho‑STAT2 (Y689) Antigen Affinity‑purified Polyclonal Antibody (Catalog # AF2890) or control antibody (Catalog # AB-105-C, open histogram), followed by Allophycocyanin-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # F0111). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with methanol.
Detection of Human Phospho-STAT2 (Y689) by Western Blot. Western blot shows lysates of Daudi human Burkitt's lymphoma cell line untreated (-) or treated (+) with 500 U/mL Recombinant Human
IFN-alpha 2a (Catalog # 11100-1) for 20 minutes. PVDF membrane was probed with 0.5 µg/mL of Rabbit Anti-Human Phospho-STAT2 (Y689) Antigen Affinity-purified Polyclonal Antibody (Catalog AF2890), followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for Phospho-STAT2 (Y689) at approximately 113 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Detection of Human Phospho-STAT2 (Y689) by Simple WesternTM. Simple Western lane view shows lysates of Daudi human Burkitt's lymphoma cell line untreated (-) or treated (+) with 500 U/mL Recombinant Human IFN‑ alpha A (Catalog # 11100-1) for 20 minutes, loaded at 0.2 mg/mL. A specific band was detected for Phospho-STAT2 (Y689) at approximately 111 kDa (as indicated) using 5 µg/mL of Rabbit Anti-Human Phospho-STAT2 (Y689) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2890). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: STAT2
STAT2 (signal transducer and activator of transcription #2) is a 113 kDa member of the STAT family of cytoplasmic transcription factors. STAT members generally mediate cytokine, growth factor and hormone receptor signal transduction. STAT2 is associated with type I ( alpha - and beta -) interferon signaling. All STATs contain an
N‑terminal oligomerization domain, a DNA-binding domain, and an SH2-association region. STAT2 is phosphorylated at Y689 by receptor-associated Janus kinases (JAKs) leading to STAT2 dimerization and subsequent translocation to the nucleus to activate gene transcription.
  • Long Name:
    Signal Transducer and Activator of Transcription 2
  • Entrez Gene IDs:
    6773 (Human); 20847 (Mouse)
  • Alternate Names:
    interferon alpha induced transcriptional activator; ISGF-3; MGC59816; P113; signal transducer and activator of transcription 2; signal transducer and activator of transcription 2, 113kD; signal transducer and activator of transcription 2, 113kDa; STAT113; STAT2
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Normal Rabbit IgG Control

Ctrl AB-105-C 42  
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Normal Rabbit IgG Control

Ctrl, CyTOF-ready MAB1050  
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Secondary Antibodies
Description Application Cat# Citations Images  

Rabbit IgG HRP-conjugated Antibody

WB HAF008 23  
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Donkey Anti-Rabbit IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL004 10
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Donkey Anti-Rabbit IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL005 2
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Rabbit IgG APC-conjugated Antibody

Flow F0111 1  
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Rabbit IgG PE-conjugated Antibody

Flow F0110 2  
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Donkey Anti-Rabbit IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL006 4
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Rabbit IgG Fluorescein-conjugated Antibody

Flow F0112 5  
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Goat Anti-Rabbit IgG Biotinylated Antibody

WB BAF008 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC003  
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Rabbit IgG Antibody

WB AF008 1
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Donkey Anti-Rabbit IgG (H+L) Antibody

D-301-C-ABS2
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