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PhosphoSitePlus® Resource

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REACTIVITY SENSITIVITY MW (kDa) Isotype
32 Mouse 

Product Usage Information

Storage: Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

Specificity / Sensitivity

CD8 (RIV11) Mouse mAb detects endogenous levels of total CD8 protein.


Source / Purification

Monoclonal antibody is produced by immunizing BALB/c mice with human peripheral lymphocytes.

Cluster of Differentiation 8 (CD8) is a disulphide-linked heterodimer consisting of the unrelated α and β subunits. Each subunit is a glycoprotein composed of a single extracellular Ig-like domain, a polypeptide linker, a transmembrane part and a short cytoplasmic tail. On T cells, CD8 is the coreceptor for the T cell receptor (TCR), and these two distinct structures recognize the Antigen–Major Histocompatibility Complex (MHC). Specifically, the Ig-like domain of CD8α interacts with the α3-domain of the MHC class I molecule. CD8 ensures specificity of the TCR–antigen interaction, prolongs the contact between the T cell and the antigen presenting cell, and the α chain recruits the tyrosine kinase Lck, which is essential for T cell activation (1).


1.  Zamoyska, R. (1994) Immunity 1, 243-46.


Entrez-Gene Id 925 , 926
Swiss-Prot Acc. P01732 , P10966


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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CD8 (RIV11) Mouse mAb