Thermo Fisher Scientific Phospho-STAT4 (Tyr693) Polyclonal Antibody
STAT4 단백질의 Tyr693 인산화 부위를 인식하는 rabbit polyclonal antibody. Western blot, IHC, IP에 사용 가능. 인간 및 생쥐 반응성. 항원 친화 크로마토그래피 정제. 4℃ 단기 보관, -20℃ 장기 보관 권장.
- 카탈로그번호
- 500-12064
- 판매단위
- pk
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 0.1–1 µg/mL |
| Immunohistochemistry (Paraffin) (IHC (P)) | 2–10 µg/mL |
| Immunoprecipitation (IP) | 2–5 µg/mL |
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human, Mouse |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | A synthetic peptide surrounding the epitope -KGYVP- with phosphorylation at Tyr693 of STAT4 protein |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 0.5 mg/mL |
| Purification | Antigen affinity chromatography |
| Storage Buffer | 25 mM Tris with proprietary stabilizer |
| Contains | 0.01% sodium azide |
| Storage Conditions | Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles. |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
Product Specific Information
- Positive control: Mouse kidney
- Cellular location: Nuclear
Target Information
STAT4 was originally identified using degenerate primers complementary to conserved regions of other STAT proteins. The STAT4 protein shares similarity with STAT1 (52%) and STAT3 (47%). Functionally, STAT4 can be tyrosine phosphorylated by Jak1 or Jak2, forming homo- and heterodimers with other STAT family members. Tyrosine-phosphorylated STAT4 binds the IFN-gamma activated site (GAS), and serine phosphorylation is required for maximal transcriptional activity.
STAT4 expression is restricted to the thymus, spleen, and testis. It is activated by interleukin 12 (IL-12), which is essential for T-cell independent induction of IFN-gamma and development of a Th1 immune response. STAT4-deficient mice exhibit impaired Th1 differentiation and enhanced Th2 development. In response to viral infection, IFN-α/β activation of STAT4 is required for IFN-γ production.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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