- 30-F11 (See other available formats)
- Other Names
- T200, Ly-5, LCA
- Rat IgG2b, κ
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- Product Citations
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CD45 is a 180-240 kD glycoprotein also known as the leukocyte common antigen (LCA), T200, or Ly-5. It is a member of the protein tyrosine phosphatase (PTP) family, expressed on all hematopoietic cells except mature erythrocytes and platelets. There are different isoforms of CD45 that arise from variable splicing of exons 4, 5, and 6, which encode A, B, and C determinants, respectively. CD45 plays a key role in TCR and BCR signal transduction. These isoforms are very specific to the activation and maturation state of the cell as well as cell type. The primary ligands for CD45 are galectin-1, CD2, CD3, CD4, TCR, CD22, and Thy-1.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 Alexa Fluor® 647 under optimal conditions. The solution is free of unconjugated Alexa Fluor® 647.
- 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
IF - Validated
IHC - Reported in the literature
- 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 106 cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for other applications.
* Alexa Fluor® 647 has a maximum emission of 668 nm when it is excited at 633nm / 635nm.
Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.
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- Excitation Laser
Red Laser (633 nm)
- Application Notes
Clone 30-F11 reacts with all isoforms and both CD45.1 and CD45.2 alloantigens of CD45.
Additional reported applications (for relevant formats) include: immunoprecipitation3, complement-dependent cytotoxicity1,5, immunohistochemistry (acetone-fixed frozen sections, zinc-fixed paraffin-embedded sections and formalin-fixed paraffin-embedded sections)4,6 and Western blotting7. The LEAF™ purified antibody (Endotoxin <0.1 EU/μg, Azide-Free, 0.2 μm filtered) is recommended for functional assays (Cat. No. 103120).
(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. P. 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
- Product Citations
AB_493534 (BioLegend Cat. No. 103123)
AB_493533 (BioLegend Cat. No. 103124)
- Protein tyrosine phosphatase (PTP) family, 180-240 kD
All hematopoietic cells except mature erythrocytes and platelets
- Phosphatase, T and B cell activation
- Ligand Receptor
- Galectin-1, CD2, CD3, CD4, TCR, CD22, Thy-1
- Cell Type
- Mesenchymal Stem Cells, B cells, Dendritic cells, Tregs
- Biology Area
- Cell Biology, Immunology, Innate Immunity, Neuroscience, Neuroscience Cell Markers, Stem Cells
- Molecular Family
- CD Molecules
- Antigen References
1. Barclay A, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
2. Trowbridge IS, et al. 1993. Annu. Rev. Immunol. 12:85.
3. Kishihara K, et al. 1993. Cell 74:143.
4. 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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