Thermo Fisher Scientific Phospho-CD28 (Tyr218) Polyclonal Antibody
CD28 Tyr218 인산화 형태를 특이적으로 인식하는 Rabbit Polyclonal Antibody. Western blot 및 Immunocytochemistry에 적합. 인간, 마우스, 랫트 반응성. 고순도 액상 형태로 안정적 저장 가능.
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- PA5103265
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Applications
Western Blot (WB)
- Tested Dilution: 1:1,000–1:3,000
Immunocytochemistry (ICC/IF)
- Tested Dilution: 1:100–1:500
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human, Mouse, Rat |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | A synthesized peptide derived from human CD28 (Accession P10747), corresponding to amino acid residues around phosphorylated Tyr218 |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Purification | Sequential chromatography |
| Storage buffer | PBS, pH 7.4, with 50% glycerol |
| Contains | 0.02% sodium azide |
| Storage conditions | -20°C |
| Shipping conditions | Wet ice |
| RRID | AB_2815964 |
Product Specific Information
This antibody detects endogenous levels of CD28 only when phosphorylated at Tyr218.
Target Information
CD28 antigen is a 44 kDa disulfide-linked homodimeric T-cell specific surface glycoprotein. It belongs to the immunoglobulin superfamily and is constitutively expressed on most peripheral blood T lymphocytes. CD28 serves as a critical costimulatory receptor by binding CD80 and CD86 on antigen-presenting cells, providing the second activation signal for T-cell activation. Additionally, CD28 prevents T cells from entering an anergic state or premature apoptosis. In murine lymphoid tissues and blood, all CD4+ and CD8+ T cells express CD28, with expression levels varying during thymocyte maturation. CD28 dysfunction is associated with diseases such as mycosis fungoides and Sézary’s disease.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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