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APC Anti-Human CD4 (OKT4) Antibody

     
  • FC - APC Anti-Human CD4 (OKT4) Antibody ATB10007-T025
    Human peripheral blood lymphocytes were stained with 5 uL (0.125 ug) Anti-Human CD4 APC (ATB10007) (solid line) or 0.125 ug Mouse IgG1 APC isotype control.
    detail
  • FC - APC Anti-Human CD4 (OKT4) Antibody ATB10007-T025
    Human peripheral blood lymphocytes were stained with 5 uL (0.125 ug) APC Anti-Human CD4 (OKT4) manufactured by Tonbo Biosciences (left panel) or eBioscience (right panel).
    detail
  • SPECIFICATION
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immuno electron microscopy
  • EIA=Enzyme Immunoassay
FC
Isotype Mouse IgG2b, kappa
Concentration 5 µL (0.125 µg)/test
Reactivity Human
Formulation 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH7.2
Host Mouse
Additional Information
Gene ID 920
Gene Name CD4
Alternative Name(s) Leu-3, T4
Format APC
Preparation This monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation. It is recommended to store the product undiluted at 4°C, and protected from prolonged exposure to light. Do not freeze.
Application Notes This antibody preparation has been pre-titrated and quality-tested for flow cytometry using an appropriate cell type. The antibody has been diluted for use at 5 uL per test, defined as the amount of antibody that will stain a cell sample in a final volume of approximately 100 uL. The number of cells within a sample should be determined empirically, but typically ranges between 1x10e5 to 1x10e8 cells.
Storage Conditions 2-8°C protected from light
Research Areas

Chen CY, Huang D, Yao S, Halliday L, Zeng G, Wang RC and Chen ZW. 2012. J. Immunol. 188:4278-4288. (in vivo depletion - macaque)

Bagnara D, Kaufman MS, Calissano C, et al. 2011. Blood. 117: 5463-5472. (in vivo depletion)

Ciczora Y, Callens N, Seron K, Rouille Y, and Dubuisson J. 2010. J. Gen. Virol. 91:404-414. (Immunofluorescence microscopy; Western Blot)

Nguyen V, Cao L, Lin JT, Hung N, Ritz A, Yu K, Jianu R, Ulin SP, Raphael BJ, Laidlaw DH, Brossay L, and Salomon AR. 2009. Mol. Cell. Proteomics. 8: 2418-2431. (in vitro activation)

daSilva LLP, Sougrat R, Burgos PV, Janvier K, Mattera R, and Bonifacino JS. 2009. J. Virol. 83: 6578-6590 (Immunoprecipitation)

Balla-Jhagjhoorsingh S, Koopman G, Mooij P, Haaksma TGM, Teeuwsen VJP, Bontrop RE, and Heeney JL. 1999. J. Immunol. 162: 2308-2314. (Immunocytochemistry /Immunofluorescence microscopy – Chimpanzee)

Bour S, Boulerice F, and Wainberg MA. 1991. J. Virol. 65(12)

: 6387-6396. (Immunoprecipitation)

Watanabe M, Ringler DJ, Fultz PN, MacKey JJ, Boyson JE, Levine CG, and Letvin NL. 1991. J. Virol. 65: 3344-3348. (Flow cytometry – Chimpanzee)

Background

The OKT4 antibody reacts with human CD4, a 59 kDa protein which acts as a co-receptor for the T cell receptor (TCR) in its interaction with MHC Class II molecules on antigen-presenting cells. The extracellular domain of CD4 binds to the beta-2 domain of MHC Class II, while its cytoplasmic tail provides a binding site for the tyrosine kinase lck, facilitating the signaling cascade that initiates T cell activation. CD4, and co-receptors CCR5 and CXCR4, may also be utilized by HIV-1 to enter T cells. Human CD4 is typically expressed on thymocytes, some mature T cell populations such as Th17 and T regulatory (Treg) cells, as well as on dendritic cells.

The OKT4 antibody is widely used as a phenotypic marker for CD4 expression. It is cross-reactive with CD4 in several non-human species, including Chimpanzee, Cynomolgus and Rhesus. This antibody recognizes a different epitope, and thus does not block binding of, the alternative Anti-Human CD4 antibody clone RPA-T4 (Reinherz EL, et al. 1979. Proc. Natl. Acad. Sci. 76:4061-4065)

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$ 368.00
Cat# ATB10007-T025
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