| Application | Recommended Dilution |
|---|---|
| ELISA | 1:5000-1:50000 |
CD45, also known as leukocyte common antigen (LCA) or protein tyrosine phosphatase receptor type C (PTPRC), serves as a critical regulator of antigen receptor signaling in lymphocytes. This transmembrane phosphatase is expressed on virtually all nucleated hematopoietic cells, making it an indispensable marker for identifying and characterizing leukocyte populations. CD45 plays essential roles in T cell and B cell activation by modulating the phosphorylation state of Src family kinases, positioning it at the center of immune cell development and function research.
This recombinant monoclonal antibody, clone 8D2, offers the reproducibility that demanding immunological studies require. Because the antibody sequence is defined and produced through recombinant expression in mouse host cells, researchers can expect consistent performance across experiments and between lots, eliminating the variability that can complicate longitudinal studies or multi-site collaborations. The antibody has been affinity-purified to ensure high specificity for human CD45.
Functional validation demonstrates robust binding activity in ELISA format, where the antibody recognizes immobilized recombinant human CD45 protein with an EC50 of 25.15–29.54 ng/mL. This high-affinity interaction supports reliable detection across a broad working dilution range of 1:5000 to 1:50000, providing flexibility to optimize signal-to-background ratios for your specific experimental conditions.
Supplied in a glycerol-based PBS buffer at pH 7.4, this unconjugated mIgG1 format allows researchers to select detection systems that best suit their experimental design. For investigators studying immune cell biology, hematopoietic development, or leukocyte signaling pathways, this antibody provides a dependable tool for quantitative antigen detection applications.
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