- C8/144B (See other available formats)
- Regulatory Status
- Other Names
- T8, Leu2
- Mouse IgG1, κ
- Ave. Rating
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- Product Citations
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CD8a is a 32-34 kD type I glycoprotein. It forms a homodimer (CD8a/a) or heterodimer (CD8a/b) with CD8b. CD8, also known as T8 and Leu2, is a member of the immunoglobulin superfamily found on the majority of thymocytes, a subset of peripheral blood T cells, and NK cells (which express almost exclusively CD8a homodimers). CD8 acts as a co-receptor with MHC class I-restricted T cell receptors in antigen recognition and T cell activation, and has been shown to play a role in thymic differentiation. Two domains in CD8a are important for function: the extracellular IgSF domain binds the α3 domain of MHC class I and the cytoplasmic CXCP motif binds the tyrosine kinase p56 Lck.Product Details
- Verified Reactivity
- Human, Mouse, Rat
- Antibody Type
- Host Species
- A 13 amino acid synthetic peptide from the C-terminal cytoplasmic domain of the alpha chain of the human CD8 molecule.
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- The antibody was purified by affinity chromatography and conjugated with biotin under optimal conditions.
- 0.5 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C. Do not freeze.
IHC-P - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by formalin-fixed paraffin-embedded immunohistochemical staining. For immunohistochemistry, a concentration range of 5.0 - 10 µg/ml is suggested. It is recommended that the reagent be titrated for optimal performance for each application.
- Application Notes
Additional reported applications (for the relevant formats) include activation3, flow cytometry4, immunohistochemical staining of frozen tissue sections2, and Western blotting5.
(PubMed link indicates BioLegend citation)
- McQuitty E, et al. 2014. J. Cutan. Pathol. 41:88. (IHC-P)
- Petukhova L, et al. 2010. Nature 466:113. (IHC-F)
- Clement M, et al. 2011. J. Immunol. 187:654. (Activ)
- MarTchal R, et al. 2010. BMC Cancer 10:340. (FC)
- Pontiggia L, et al. 2008. J. Invest. Dermatol. 129:480. (WB)
AB_2750103 (BioLegend Cat. No. 372908)
- Ig superfamily, homodimer or heterodimer with CD8β.
Majority of thymocytes, T cell subset, NK cells.
- MHC class I co-receptor, thymic differentiation, T-cell activation.
- MHC class I molecules.
- Cell Type
- Thymocytes, T cells, NK cells
- Biology Area
- Molecular Family
- CD Molecules
- Antigen References
1. McQuitty E, et al. 2014. J. Cutan. Pathol. 41:88.
- Gene ID
- 100387674 View all products for this Gene ID
- View information about CD8a on UniProt.org
- How many biotin molecules are per antibody structure?
- We don't routinely measure the number of biotins with our antibody products but the number of biotin molecules range from 3-6 molecules per antibody.
|Purified anti-human CD8a||C8/144B||IHC-P, Activ, FC, IHC-F, WB|
|Alexa Fluor® 594 anti-human CD8a||C8/144B||IHC-P|
|Alexa Fluor® 647 anti-human CD8a||C8/144B||IHC-P, ICFC, 3D IHC|
|Biotin anti-human CD8a||C8/144B||IHC-P|
|Spark YG™ 570 anti-human CD8a||C8/144B||IHC-P|
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