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CD4 Antibody (C-term)
Affinity Purified Rabbit Polyclonal Antibody (Pab)
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- CITATIONS: 1
- PROTOCOLS
- BACKGROUND
Application 
| WB, IHC-P, FC, E |
|---|---|
| Primary Accession | P01730 |
| Other Accession | P79185 |
| Reactivity | Human, Mouse |
| Predicted | Monkey |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 51111 Da |
| Antigen Region | 408-436 aa |
| Gene ID | 920 |
|---|---|
| Other Names | T-cell surface glycoprotein CD4, T-cell surface antigen T4/Leu-3, CD4, CD4 |
| Target/Specificity | This CD4 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 408-436 amino acids from the C-terminal region of human CD4. |
| Dilution | WB~~1:1000 IHC-P~~1:10~50 FC~~1:10~50 |
| Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification. |
| Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | CD4 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | CD4 |
|---|---|
| Function | Integral membrane glycoprotein that plays an essential role in the immune response and serves multiple functions in responses against both external and internal offenses. In T-cells, functions primarily as a coreceptor for MHC class II molecule:peptide complex. The antigens presented by class II peptides are derived from extracellular proteins while class I peptides are derived from cytosolic proteins. Interacts simultaneously with the T-cell receptor (TCR) and the MHC class II presented by antigen presenting cells (APCs). In turn, recruits the Src kinase LCK to the vicinity of the TCR-CD3 complex. LCK then initiates different intracellular signaling pathways by phosphorylating various substrates ultimately leading to lymphokine production, motility, adhesion and activation of T-helper cells. In other cells such as macrophages or NK cells, plays a role in differentiation/activation, cytokine expression and cell migration in a TCR/LCK-independent pathway. Participates in the development of T- helper cells in the thymus and triggers the differentiation of monocytes into functional mature macrophages. |
| Cellular Location | Cell membrane; Single-pass type I membrane protein. Note=Localizes to lipid rafts (PubMed:12517957, PubMed:9168119). Removed from plasma membrane by HIV- 1 Nef protein that increases clathrin-dependent endocytosis of this antigen to target it to lysosomal degradation. Cell surface expression is also down-modulated by HIV-1 Envelope polyprotein gp160 that interacts with, and sequesters CD4 in the endoplasmic reticulum |
| Tissue Location | Highly expressed in T-helper cells. The presence of CD4 is a hallmark of T-helper cells which are specialized in the activation and growth of cytotoxic T-cells, regulation of B cells, or activation of phagocytes. CD4 is also present in other immune cells such as macrophages, dendritic cells or NK cells |
Research Areas
Citations ( 0 )
Application Protocols
Provided below are standard protocols that you may find useful for product applications.
Background
CD4 is a single chain transmembraneous glycoprotein (59 kDa) which belongs to the immunoglobulin superfamily. CD4 is present on a subset of T lymphocytes (helper/inducer T cells) and is also expressed at a lower level on monocytes, tissue macrophages and granulocytes. The antigen is involved in binding to MHC class II molecules. The intracellular domain of the antigen is associated with p56lck protein tyrosine kinase.
References
Garron,M.L., J. Mol. Biol. 375 (5), 1320-1328 (2008) Rychert,J., J. Acquir. Immune Defic. Syndr. 46 (3), 261-267 (2007)
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$ 365.00
$ 140.00
Cat# AP1496b
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