Human CD4 Fluorescein‑conjugated Antibody

  • Specificity
    Detects human CD4 in direct ELISAs.
  • Source
    Monoclonal Mouse IgG2A Clone # 11830
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Recombinant Human CD4.
    Extracellular Domain
    Accession # P01730
  • Formulation
    Supplied in a saline solution containing BSA and Sodium Azide.
  • Label
  • Flow Cytometry
    10 µL/106 cells
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of CD4 in Human Blood Lymphocytes by Flow Cytometry. Human peripheral blood lymphocytes were stained with Mouse Anti-Human CD3e APC-conjugated Monoclonal Antibody (Catalog # FAB100A) and either (A) Mouse Anti-Human CD4 Fluorescein-conjugated Monoclonal Antibody (Catalog # FAB3791F) or (B) Mouse IgG2A Fluorescein Isotype Control (Catalog # IC003F). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
  • Shipping
    The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
  • Stability & Storage
    Protect from light. Do not freeze.
    • 12 months from date of receipt, 2 to 8 °C as supplied.
Background: CD4
CD4 is a type I membrane glycoprotein belonging to the immunoglobulin superfamily. It is expressed predominantly on thymocytes and a subset of mature T lymphocytes. CD4 functions in collaboration with the T cell receptor in the recognition of peptide antigens that are presented by class II major histocompatibility complexes. CD4 also has been shown to be a coreceptor of HIV entry and specifically binds gp120, the external envelope glycoprotein of HIV.
  • Entrez Gene IDs:
    920(Human); 12504(Mouse); 24932(Rat); 403931(Canine); 493775(Feline)
  • Alternate Names:
    CD4; CD4 antigen; CD4 antigen (p55); CD4 molecule; CD4 receptor; CD4mut; T-cell surface antigen T4/Leu-3; T-cell surface glycoprotein CD4
Related Research Areas

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

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Sample Type
  1. Preferential migration of T regulatory cells induced by IL-16.
    Authors: McFadden C, Morgan R, Rahangdale S, Green D, Yamasaki H, Center D, Cruikshank W
    J. Immunol., 2007;179(10):6439-45.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow Cytometry,
  2. Potential role for IL-7 in Fas-mediated T cell apoptosis during HIV infection.
    Authors: Fluur C, De Milito A, Fry TJ, Vivar N, Eidsmo L, Atlas A, Federici C, Matarrese P, Logozzi M, Rajnavolgyi E, Mackall CL, Fais S, Chiodi F, Rethi B
    J. Immunol., 2007;178(8):5340-50.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow Cytometry,


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