Thermo Fisher Scientific CD45 Polyclonal Antibody
Rabbit polyclonal antibody against human CD45 for WB, IHC, and Flow applications. Recognizes C-terminal region (aa 1245–1275). Supplied unconjugated in PBS with sodium azide. Suitable for hematopoietic cell marker studies and immune signaling research.
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:1,000 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:10–1:50 |
| Flow Cytometry (Flow) | 1:10–1:50 |
Product Specifications
| Specification | Description |
|---|---|
| Species Reactivity | Human |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | KLH-conjugated synthetic peptide corresponding to amino acids 1245–1275 of the C-terminal region of human CD45 |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 2 mg/mL |
| Purification | Size-exclusion, dialysis, ammonium sulfate precipitation |
| Storage Buffer | PBS, pH 7.4 |
| Contains | 0.09% sodium azide |
| Storage Conditions | Store at 4°C for short term. For long term, store at -20°C. Avoid freeze/thaw cycles. |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_2174009 |
Target Information
CD45 (also known as LCA, leukocyte common antigen) is a receptor-type protein tyrosine phosphatase (PTP) expressed in all nucleated hematopoietic cells, comprising about 10% of lymphocyte surface proteins. It is absent from non-hematopoietic tissues and cell lines. CD45 plays a key role in lymphocyte development and antigen signaling by 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 cell subtypes. CD45 regulates T- and B-cell receptor signaling, modulates cytokine receptor pathways, and influences integrin-mediated signaling, apoptosis, and other immune functions.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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