CD4 is an approximately 55 kDa type I membrane glycoprotein that is expressed predominantly on most thymocytes and a subset of mature T lymphocytes. In humans, CD4 is also expressed to a lesser extent on monocytes and macrophage related cells. Human CD4 cDNA encodes a 458 amino acid (aa) precursor protein with a 25 aa signal peptide, a 371 aa extracellular region containing four immunoglobulin homology domains, a 24 aa transmembrane domain and a 38 aa cytoplasmic domain. CD4 is a coreceptor required for T cell recognition of antigens that are presented by class II major histocompatibility complexes. CD4 has been shown to be a coreceptor of HIV entry and specifically binds gp120, the external envelope glycoprotein of HIV.
Human CD4 PE‑conjugated Antibody
R&D Systems | Catalog # FAB114341P
Key Product Details
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Gln26-Lys463
Accession # P08575
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human CD4 PE‑conjugated Antibody
Detection of CD4 in PBMC lymphocytes by Flow Cytometry.
PBMC lymphocytes were stained with Mouse Anti-Human CD3 epsilon APC‑conjugated Monoclonal Antibody (Catalog # FAB100A) and either (A) Mouse Anti-Human CD4 PE‑conjugated Monoclonal Antibody (Catalog # FAB114341P) or (B) Mouse IgG2B Phycoerythrin Isotype Control (Catalog # IC0041P) followed by. View our protocol for Staining Membrane-associated Proteins.Detection of CD4 in Human peripheral blood lymphocytes by Flow Cytometry
Human peripheral blood lymphocytes were stained with Mouse Anti-Human CD4 PE‑conjugated Monoclonal Antibody (Catalog # FAB114341P) and Mouse Anti-Human CD4 Alexa Fluor® 647‑conjugated Monoclonal Antibody (Catalog # FAB37912R). This demonstrates non-competing epitopes of the two clones, which allows for purity analysis after CD4+ selection. View our protocol for Staining Membrane-associated Proteins.Applications for Human CD4 PE‑conjugated Antibody
Flow Cytometry
Sample: PBMC lymphocytes
Spectra Viewer
Plan Your Experiments
Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.
Spectra ViewerFlow Cytometry Panel Builder
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Reconstitution
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, 2 to 8 °C as supplied.
Calculators
Background: CD4
References
- Capon, D.I. et al. (1991) Annu. Rev. Immunol. 9:649.
Alternate Names
Entrez Gene IDs
Gene Symbol
UniProt
Additional CD4 Products
Product Documents for Human CD4 PE‑conjugated Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human CD4 PE‑conjugated Antibody
For research use only
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
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- View all Protocols, Troubleshooting, Illustrated assays and Webinars