
Thermo Fisher Scientific Phospho-CD45 (Tyr1218) Polyclonal Antibody
CD45 단백질의 Tyr1218 인산화 형태를 특이적으로 인식하는 Rabbit Polyclonal 항체로, WB, IHC, ICC/IF에 사용 가능. 인간, 생쥐, 랫트 반응성. 액상 형태로 -20°C 보관. 연구용으로만 사용.
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Applications and Tested Dilution
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:1,000–1:3,000 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:50–1:200 |
| Immunocytochemistry (ICC/IF) | 1:100–1:500 |
Product Specifications
| Item | Description |
|---|---|
| Species Reactivity | Human, Mouse, Rat |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | A synthesized peptide derived from human PTPRC (Accession P08575), corresponding to amino acid residues around phosphorylated Tyr1218 |
| 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_2817340 |
Product Specific Information
This antibody detects endogenous levels of CD45 only when phosphorylated at Tyr1218.
Target Information
CD45 (LCA, leukocyte common antigen) is a receptor-type protein tyrosine phosphatase (PTP) ubiquitously expressed in all nucleated hematopoietic cells, comprising approximately 10% of all surface proteins in lymphocytes. It is absent on non-hematopoietic cell lines and tissues.
CD45 glycoprotein plays a crucial role in lymphocyte development and antigen signaling, regulating Src-family kinases. Multiple isoforms exist due to alternative splicing, differing in extracellular domains but sharing identical transmembrane and cytoplasmic regions.
CD45RA is one such isoform with restricted expression among lymphoid subtypes. CD45 isoforms vary in their ability to translocate into glycosphingolipid-enriched membrane domains, depending on cell type and physiological state.
CD45 is essential for T- and B-cell receptor signaling, suppresses JAK kinases to regulate cytokine receptor signaling, and promotes cell survival via integrin-mediated pathways. It also modulates apoptosis and various immunological functions.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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