- SK1 (See other available formats)
- Regulatory Status
- Other Names
- T8, Leu2
- Mouse IgG1, κ
- Ave. Rating
- Submit a Review
- 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
- Human, Cross-Reactivity: African Green, Chimpanzee, Cynomolgus, Pigtailed Macaque, Rhesus, Sooty Mangabey
- Antibody Type
- Host Species
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA.
- The antibody was purified by affinity chromatography.
- 1.0 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C.
FC - Quality tested
CyTOF® - Verified
- Recommended Usage
This product is suitable for use with the Maxpar® Metal Labeling Kits. The product is formulated to simplify the antibody preparation when performing the labeling protocol. As a result, it is possible to proceed directly to the step to Partially Reduce the Antibody by adding 100 µl of Maxpar® Ready antibody to 100 µl of 4 mM TCEP-R in a 50 kDa filter and continue with the protocol. Always refer to the latest version of Maxpar® User Guide when conjugating Maxpar® Ready antibodies.
- Application Notes
Clone SK1 recognizes the a chain of CD8. Additional reported applications (for the relevant formats) include: proteogenomics8, immunohistochemistry of acetone-fixed frozen tissue sections. This clone was tested in-house and does not demonstrate utility for formalin-fixed paraffin-embedded (FFPE) human tonsil sections.
- Additional Product Notes
Maxpar® is a registered trademark of Fluidigm Inc.
(PubMed link indicates BioLegend citation)
- Ledbetter JA, et al. 1981. J. Exp. Med. 153:310.
- Campanelli R, et al. 2002. Intl. Immunol. 14:39.
- Evans RL, et al. 1981. Immunol. 78:544.
- Wooldridge L, et al. 2005. J. Bio. Chem. 280:27491.
- Ch'el IL, et al. 2011. J Exp Med. 208:633. PubMed
- Carbone A, et al. 1999. Blood 93:2319. (IHC-F)
- Ahmed A, et al. 2001. J. Pathol. 193:383. (IHC)
- Peterson VM, et al. 2017. Nat. Biotechnol. 35:936. (PG)
- Product Citations
AB_2563762 (BioLegend Cat. No. 344727)
- Ig superfamily, homodimer or heterodimer with CD8b, 32-34 kD
Majority of thymocytes, T cell subset, NK cells
- MHC class I co-receptor, thymic differentiation, T cell activation
- MHC Class I molecules
- Cell Type
- NK cells, T cells, Thymocytes
- Biology Area
- Molecular Family
- CD Molecules
- Antigen References
1. Barclay N, et al. 1993. The Leucocyte Antigen FactsBook. Academic Press Inc. San Diego.
- Gene ID
- 925 View all products for this Gene ID
- View information about CD8 on UniProt.org
- Can I obtain CyTOF data related to your Maxpar® Ready antibody clones?
We do not test our antibodies by mass cytometry or on a CyTOF machine in-house. The data displayed on our website is provided by Fluidigm®. Please contact Fluidigm® directly for additional data and further details.
- Can I use Maxpar® Ready format clones for flow cytometry staining?
We have not tested the Maxpar® Ready antibodies formulated in solution containing EDTA for flow cytometry staining. While it is likely that this will work in majority of the situations, it is best to use the non-EDTA formulated version of the same clone for flow cytometry testing. The presence of EDTA in some situations might negatively affect staining.
- I am having difficulty observing a signal after conjugating a metal tag to your Maxpar® antibody. Please help troubleshoot.
We only supply the antibody and not test that in house. Please contact Fluidigm® directly for troubleshooting advice: http://techsupport.fluidigm.com/
- Is there a difference between buffer formulations related to Maxpar® Ready and purified format antibodies?
The Maxpar® Ready format antibody clones are formulated in Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA. The regular purified format clones are formulated in solution that does not contain any EDTA. Both formulations are however without any extra carrier proteins.
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