Source: | Rabbit | Gene Id: | 920 |
Isotype: | IgG | Swiss Prot: | P01730 |
purity: | Affinity purification |
Background: |
Cluster of Differentiation 4 (CD4) is a glycoprotein composed of an amino-terminal extracellular domain (four domains: D1-D4 with Ig-like structures), a transmembrane part and a short cytoplasmic tail. CD4 is expressed on the surface of T helper cells, regulatory T cells, monocytes, macrophages and dendritic cells, and plays an important role in the development and activation of T cells. On T cells, CD4 is the co-receptor for the T cell receptor (TCR), and these two distinct structures recognize the Antigen–Major Histocompatibility Complex (MHC). Specifically, the D1 domain of CD4 interacts with the β2-domain of the MHC class II molecule. CD4 ensures specificity of the TCR–antigen interaction, prolongs the contact between the T cell and the antigen presenting cell and recruits the tyrosine kinase Lck, which is essential for T cell activation (1). |
Reactivity | Human, Mouse |
Tested applications | WB |
Clonality | Polyclonal Antibody |
Calculated MW | 55kDa |
Recommended Dilutions |
WB 1:500-1:2000
|
Immunogen | Recombinant protein of human CD4 |
Storage | Store at -20°C (regular) or -80°C (long term). Avoid freeze / thaw cycles. Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3. |
Synonym | CD4mu |
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