CD4 (PN0618) Nb-FC recombinant antibody
- Catalog No.:YA0352
- Applications:ELISA;FCM
- Reactivity:Human
- Target:
- CD4
- Gene Name:
- CD4
- Protein Name:
- T-cell surface glycoprotein CD4 (T-cell surface antigen T4/Leu-3) (CD antigen CD4)
- Human Gene Id:
- 920
- Human Swiss Prot No:
- P01730
- Immunogen:
- Purified recombinant Human CD4
- Specificity:
- This recombinant monoclonal antibody can detects endogenous levels of CD4 protein.
- Formulation:
- Phosphate-buffered solution
- Source:
- Camel, chimeric fusion of Nanobody (VHH) and mouse IgG1 Fc domain , recombinantly produced from 293F cell
- Dilution:
- ELISA 1:5000-100000 FCM 1-2μg/Test
- Purification:
- Recombinant Expression and Affinity purified
- Concentration:
- Please check the information on the tube
- Storage Stability:
- -15°C to -25°C/1 year(Avoid freeze / thaw cycles)
- Other Name:
- T-cell surface glycoprotein CD4;T-cell surface antigen T4/Leu-3;CD antigen CD4;CD4 nanobody;
- Background:
- This gene encodes a membrane glycoprotein of T lymphocytes that interacts with major histocompatibility complex class II antigenes and is also a receptor for the human immunodeficiency virus.This gene is expressed not only in T lymphocytes, but also in B cells, macrophages, and granulocytes. It is also expressed in specific regions of the brain. The protein functions to initiate or augment the early phase of T-cell activation, and may function as an important mediator of indirect neuronal damage in infectious and immune-mediated diseases of the central nervous system. Multiple alternatively spliced transcript variants encoding different isoforms have been identified inThis gene. [provided by RefSeq, Aug 2010]
- 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, cyt
- Subcellular Location:
- Cell membrane ; Single-pass type I membrane protein . 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.
- Expression:
- 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.
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