The CD4 antigen is a single-chain transmembrane glycoprotein with a 59 kDa molecular weight. CD4 binds to a non-polymorphic region of MHC Class II molecules and is a co-receptor in MHC Class II restricted antigen-induced activation. CD4 is expressed on the T "helper" lymphocytes. It is present on most thymocytes where it is frequently co-expressed with CD8. CD4 is also expressed on all monocytes, although with a lower density than on T lymphocytes. CD4+ T lymphocytes are active in inducing and helping the synthesis of immunoglobulins by B cells. CD4 is a receptor for the Human Immunodeficiency Virus type I (HIV-1) envelope protein gp120. *Alexa Fluor and Pacific Blue are registered trademarks of Molecular Probes, Inc.

Specifications

Specificity CD4
Form APC-Alexa Fluor* 750
Clone 13B8.2
Flow Product Line IOTest
Clone Description 13B8.2 monoclonal antibody antagonizes HIV effects in vitro. 13B8.2 recognizes an epitope close to the amino-acid residues 88-89 within the CD4 molecule. 13B8.2 and BL4 recognize different epitopes. 13B8.2 and BL4 are not cross-blocking.
Isotype IgG1 Mouse
Format Liquid
Size 50 Tests
Regulatory Status CE
Target Species Human
Cross Reactivity 13B8.2 cross reacts with: Hamadyras Baboon, Olive Baboon
Other Names CD4, T4 antigen
UNSPSC 41116015

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The listed regulatory status for products correspond to one of the below:
IVD: In Vitro Diagnostic Products. These products are labeled "For In Vitro Diagnostic Use."
ASR: Analyte Specific Reagents. These reagents are labeled "Analyte Specific Reagents. Analytical and performance characteristics are not established."
CE: Products intended for in vitro diagnostic use and conforming to European Directive (98/79/EC). (Note: Devices may be CE marked to other directives than (98/79/EC)
RUO: Research Use Only. These products are labeled "For Research Use Only. Not for use in diagnostic procedures."
LUO: Laboratory Use Only. These products are labeled "For Laboratory Use Only."
No Regulatory Status: Non-Medical Device or non-regulated articles. Not for use in diagnostic or therapeutic procedures.