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Catalog Number | orb1993475 |
---|---|
Category | Antibodies |
Description | CD4 (T4) is a single chain transmembrane glycoprotein and belongs to immunoglobulin supergene family. In extracellular region there are 4 immunoglobulin-like domains (1 Ig-like V-type and 3 Ig-like C2-type). Transmembrane region forms 25 aa, cytoplasmic tail consists of 38 aa. Domains 1,2 and 4 are stabilized by disulfide bonds. The intracellular domain of CD4 is associated with p56Lck, a Src-like protein tyrosine kinase. It was described that CD4 segregates into specific detergent-resistant T-cell membrane microdomains. Extracellular ligands: MHC class II molecules (binds to CDR2-like region in CD4 domain 1); HIV envelope protein gp120 (binds to CDR2-like region in CD4 domain 1); IL-16 (binds to CD4 domain 3), human seminal plasma glycoprotein gp17 (binds to CD4 domain 1), L-selectin. Intracellular ligands: p56LckCD4 is a co-receptor involved in immune response (co-receptor activity in binding to MHC class II molecules) and HIV infection (human immunodeficiency virus; CD4 is primary receptor for HIV-1 surface glycoprotein gp120). CD4 regulates T-cell activation, T/B-cell adhesion, T-cell diferentiation, T-cell selection and signal transduction. Defects in antigen presentation (MHC class II) cause dysfunction of CD4+ T-cells and their almost complete absence in patients blood, tissue and organs (SCID immunodeficiency). |
Clonality | Monoclonal |
Clone Number | MEM-241 |
Tested applications | FC |
Reactivity | Human |
Isotype | Mouse IgG1 |
Immunogen | 2 N-terminal domains of human CD4 fused to human IgG1 Fc |
Conjugation | PE/Cy5 |
Target | CD4 |
Entrez | 920 |
UniProt ID | P01730 |
Storage | Store at 2-8°C. Protect from prolonged exposure to light. Do not freeze. |
Buffer/Preservatives | Stabilizing phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide |
Alternative names | T4/Leu-3, L3T4 Read more... |
Note | For research use only |
Application notes | Flow cytometry: The reagent is designed for analysis of human blood cells using 4 μl reagent / 100 μl of whole blood or 106 cells in a suspension. The content of a vial (0.4 ml) is sufficient for 100 tests. |
Expiration Date | 12 months from date of receipt. |
Cell Separation, FC, IHC-Fr, IP | |
Porcine | |
Mouse | |
Monoclonal | |
PE/Cy5 |
ELISA, FC, ICC, IHC-Fr, IP, Multiplex Assay, WB | |
Mouse | |
Rat | |
Monoclonal | |
PE/Cy5 |
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