- C363-16A (See other available formats)
- Regulatory Status
- Other Names
- Rat IgG2a, κ
- Ave. Rating
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- Product Citations
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CD45RB is an isoform of CD45 with exon 5 splicing (encodes B determinant). It is a 220 kD glycoprotein expressed on peripheral B cells, naïve T cells, thymocytes, weakly on macrophages, and dendritic cells. It plays a critical role in TCR and BCR signaling. As T cells become activated and progress from naïve to memory cells, CD45RB expression is downregulated. Additionally, functionally distinct CD4+ T cell subsets, which secrete differing cytokine profiles, can be separated by CD45RB intensity. The primary ligands for CD45 are galectin-1, CD2, CD3, CD4 and Thy-1.Product Details
- Antibody Type
- Host Species
- Cloned mouse Th2 cell lines
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- The antibody was purified by affinity chromatography, and conjugated with PE under optimal conditions.
- 0.2 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 106 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)
Green Laser (532 nm)/Yellow-Green Laser (561 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: immunoprecipitation1, immunohistochemistry of acetone-fixed frozen sections and formalin-fixed paraffin-embedded sections.
(PubMed link indicates BioLegend citation)
- Bottomly K, et al. 1989. Eur. J. Immunol. 19:617.
- Norian LA and Allen PM. 2004. J. Immunol. 173:835.
- Product Citations
AB_313014 (BioLegend Cat. No. 103307)
AB_313015 (BioLegend Cat. No. 103308)
- Phosphatase receptor (CD45 gene exon 5), 220 kD
Peripheral B cells, naïve T cells, most thymocytes, low density on macrophages and dendritic cells
- Phosphatase, T cell development and activation
- Galectin-1, CD2, CD3, CD4, Thy1
- Cell Type
- B cells, Dendritic cells, Macrophages, T cells, Thymocytes, Tregs
- Biology Area
- Cell Biology, Immunology, Neuroscience, Neuroscience Cell Markers, Inhibitory Molecules
- 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 CD45RB on UniProt.org
- What type of PE do you use in your conjugates?
- We use R-PE in our conjugates.
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