- QA17A26 (See other available formats)
- Regulatory Status
- Other Names
- T200, Ly-5, LCA
- Mouse IgG1, κ
- Ave. Rating
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- Product Citations
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CD45 is known as leukocyte common antigen (LCA) and T200. It is a tyrosine phosphatase expressed on the plasma membrane of all hematopoietic cells, except erythrocytes or platelets. CD45 is a signaling molecule that regulates a variety of cellular processes including cell growth, differentiation, cell cycle, and oncogenic transformation. CD45 plays a critical role in T and B cell antigen receptor-mediated activation by dephosphorylating substrates including p56Lck, p59Fyn, and other Src family kinases. CD45 non-covalently associates with lymphocyte phosphatase-associated phosphoprotein (LPAP) on T and B lymphocytes. CD45 has been reported to bind galectin-1 and to be associated with several other cell surface antigens including CD1, CD2, CD3, and CD4.Product Details
- Antibody Type
- Host Species
- Mouse thymus or spleen
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide
- The antibody was purified by affinity chromatography and conjugated with FITC under optimal conditions.
- 0.5 mg/mL
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
FC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤ 0.25 µg per million cells in 100 µL volume. It is recommended that the reagent be titrated for optimal performance for each application.
- Excitation Laser
Blue Laser (488 nm)
- Application Notes
The QA17A26 antibody can block 30-F11 clone and vice versa. The clone QA17A26 reacts with all isoforms and both CD45.1 and CD45.2 alloantigens of CD45.
(PubMed link indicates BioLegend citation)
- Podd BS, et al. 2006. J. Immunol. 176:6532. (FC, CMCD) PubMed
- Haynes NM, et al. 2007. J. Immunol. 179:5099. (FC)
- Ledbetter JA, et al. 1979. Immunol. Rev. 47:63. (IP)
- Simon DI, et al. 2000. J. Clin. Invest. 105:293. (IHC)
- Seaman WE. 1983. J. Immunol. 130:1713. (CMCD)
- Cornet A, et al. 2001. Proc. Natl. Acad. Sci. USA 98:13306. (IHC)
- Tsuboi S and Fukuda M. 1998. J. Biol. Chem. 273:30680. (WB) PubMed
- Liu F, et al. 2012. Blood. 119:3295. PubMed
- Pelletier AN, et al. 2012. J. Immunol. 188:5561. PubMed
AB_2832553 (BioLegend Cat. No. 157607)
AB_2832554 (BioLegend Cat. No. 157608)
- Protein tyrosine phosphatase (PTP) family, 180-240 kD
Expressed on almost all hematopoietic cells except for mature erythrocytes.
- Phosphatase, T and B cell activation
- Galectin-1, CD2, CD3, CD4, TCR, CD22, Thy-1
- Cell Type
- B cells, Dendritic cells, Mesenchymal Stem Cells, Tregs
- Biology Area
- Cell Biology, Immunology, Inhibitory Molecules, Innate Immunity, Neuroscience, Neuroscience Cell Markers, Stem Cells
- Molecular Family
- CD Molecules
- Antigen References
- Barclay AN, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
- Trowbridge IS and Thomas ML. 1994. Annu. Rev. Immunol. 12:85-116.
- Kishihara K, et al. 1993. Cell 74:143.
- Pulido R, et al. 1988. J. Immunol. 140:3851.
- Gene ID
- 19264 View all products for this Gene ID
- View information about CD45 on UniProt.org
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