Invitrogen

CD3/CD4 Antibody Cocktail, FITC, PE, eBioscience™

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Product Details

22-0304-72

Applications
Tested Dilution
Publications

Flow Cytometry (Flow)

20 µL/test
-
Product Specifications

Species Reactivity

Human

Host/Isotype

Mouse / IgG1, kappa

Class

Cocktail

Type

Antibody

Clone

UCHT1, RPA-T4

Conjugate

FITC , PE FITC , PE FITC , PE

Form

Liquid

Concentration

20 µL/Test

Purification

Affinity chromatography

Storage buffer

PBS, pH 7.2, with BSA

Contains

0.09% sodium azide

Storage conditions

4°C, store in dark, DO NOT FREEZE!

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_469560

Product Specific Information

Description: This product consists of two fluorochrome-conjugated monoclonal antibodies to distinguish human peripheral CD3^+ and CD4^+ T cells. The UCHT1 monoclonal antibody (mouse IgG1, kappa) reacts with human CD3e, a 20 kDa subunit of the TCR complex. Along with the other CD3 subunits gamma and delta, the epsilon chain is required for proper assembly, trafficking and surface expression of the TCR complex. CD3 is expressed by thymocytes in a developmentally regulated manner and by all mature T cells. The RPA-T4 monoclonal antibody (mouse IgG1, kappa) reacts with the human CD4 molecule, a 59 kDa cell surface receptor expressed by a majority of thymocytes, subpopulation of mature T cells (T-helper cells) and in low levels on monocytes. CD4 is a receptor for the human immunodeficiency virus (HIV).

Applications Reported: This product has been reported for use in flow cytometric analysis.

Applications Tested: This cocktail has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. This can be used at 20 µL per test (containing 1 µg of Anti-Human CD3 (UCHT1) FITC and 0.5 µg of Anti-Human CD4 (RPA-T4) PE). A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.

Target Information

CD3 complex is crucial in transducing antigen-recognition signals into the cytoplasm of T cells and in regulating the cell surface expression of the TCR complex. T cell activation through the antigen receptor (TCR) involves the cytoplasmic tails of the CD3 subunits CD3 gamma, CD3 delta, CD3 epsilon and CD3 zeta. These CD3 subunits are structurally related members of the immunoglobulins super family encoded by closely linked genes on human chromosome 11. The CD3 components have long cytoplasmic tails that associate with cytoplasmic signal transduction molecules. This association is mediated at least in part by a double tyrosine-based motif present in a single copy in the CD3 subunits. CD3 may play a role in TCR-induced growth arrest, cell survival and proliferation. The CD3 antigen is present on 68-82% of normal peripheral blood lymphocytes, 65-85% of thymocytes and Purkinje cells in the cerebellum. It is never expressed on B or NK cells. Decreased percentages of T lymphocytes may be observed in some autoimmune diseases. The CD4 antigen is involved in the recognition of the type II MHC antigen. It is also a receptor for HIV. It is present on most T helper cells and normal thymocytes. The cytoplasmic portion of CD4 is associated with p56lck tyrosine kinase. CD4 expression is commonly found in human lymph nodes and tonsils. CD44 is a type 1 transmembrane glycoprotein also known as Phagocytic Glycoprotein-1 (pgp-1) and HCAM. CD44 is the receptor for hyaluronate and exists as a large number of different isoforms due to alternative RNA splicing. The major isoform expressed on lymphocytes, myeloid cells, and erythrocytes is a glycosylated type 1 transmembrane protein. Other isoforms contain glycosaminoglycans and are expressed on hematopoietic and non-hematopoietic cells. CD44 is involved in adhesion of leukocytes to endothelial cells, stromal cells, and the extracellular matrix.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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Bioinformatics

Protein Aliases: CD247; CD247 antigen, zeta subunit; CD3 antigen, delta subunit; CD3 delta; CD3-epsilon; CD3d; CD3d antigen, delta polypeptide (TiT3 complex); CD3d molecule, delta (CD3-TCR complex); CD3e; CD3e antigen, epsilon polypeptide (TiT3 complex); CD3e molecule, epsilon (CD3-TCR complex); CD3g; CD3g antigen, gamma polypeptide (TiT3 complex); CD3g molecule, epsilon (CD3-TCR complex); CD3g molecule, gamma (CD3-TCR complex); CD3Z antigen, zeta polypeptide (TiT3 complex); CD3zeta chain; CD4; CD4 antigen (p55); CD4 antigen p55; CD4 receptor; FLJ18683; Leu-2; MAL; OKT3, delta chain; OKT8 T-cell antigen; T cell co-receptor; T-cell antigen Leu2; T-cell antigen receptor complex, epsilon subunit of T3; T-cell antigen receptor complex, gamma subunit of T3; T-cell antigen receptor complex, zeta subunit of CD3; T-cell receptor T3 delta chain; T-cell receptor T3 gamma chain; T-cell receptor T3 zeta chain; T-cell surface antigen T3/Leu-4 epsilon chain; T-cell surface antigen T4/Leu-3; T-cell surface glycoprotein CD3 delta chain; T-cell surface glycoprotein CD3 epsilon chain; T-cell surface glycoprotein CD3 gamma chain; T-cell surface glycoprotein CD3 zeta chain; T-cell surface glycoprotein CD4; T8 T-cell antigen; TCR zeta chain

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Gene Aliases: CD247; CD3-DELTA; CD3-GAMMA; CD3-ZETA; CD3D; CD3E; CD3G; CD3H; CD3Q; CD3Z; CD4; CD4mut; IMD17; IMD18; IMD19; IMD25; T3D; T3E; T3G; T3Z; TCRE; TCRZ

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UniProt ID: (Human) P20963, (Human) P04234, (Human) P07766, (Human) P09693, (Human) P01730

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Entrez Gene ID: (Human) 919, (Human) 915, (Human) 916, (Human) 917, (Human) 920

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Function(s)
transmembrane signaling receptor activity protein binding identical protein binding protein homodimerization activity transcription coactivator activity protein heterodimerization activity receptor signaling protein activity SH3 domain binding protein kinase binding receptor signaling complex scaffold activity T cell receptor binding virus receptor activity glycoprotein binding receptor activity extracellular matrix structural constituent zinc ion binding coreceptor activity immunoglobulin binding enzyme binding MHC class II protein binding protein tyrosine kinase binding defense/immunity protein immunoglobulin receptor superfamily
Process(es)
viral process T cell costimulation Fc-gamma receptor signaling pathway involved in phagocytosis regulation of defense response to virus by virus regulation of immune response T cell receptor signaling pathway cell surface receptor signaling pathway T cell differentiation positive thymic T cell selection positive regulation of transcription from RNA polymerase II promoter positive regulation of T cell anergy protein complex assembly transmembrane receptor protein tyrosine kinase signaling pathway signal complex assembly G-protein coupled receptor signaling pathway response to nutrient positive regulation of gene expression negative regulation of gene expression positive regulation of interferon-gamma production positive regulation of interleukin-4 production positive regulation of T cell proliferation T cell activation regulation of apoptotic process negative thymic T cell selection positive regulation of interleukin-2 biosynthetic process negative regulation of smoothened signaling pathway positive regulation of alpha-beta T cell proliferation positive regulation of peptidyl-tyrosine phosphorylation positive regulation of calcium-mediated signaling apoptotic signaling pathway establishment or maintenance of cell polarity protein transport regulation of lymphocyte apoptotic process cytokine production adaptive immune response induction by virus of host cell-cell fusion immune response signal transduction enzyme linked receptor protein signaling pathway positive regulation of calcium ion transport into cytosol fusion of virus membrane with host plasma membrane entry into host cell response to estradiol maintenance of protein location in cell response to vitamin D helper T cell enhancement of adaptive immune response T cell selection positive regulation of protein kinase activity defense response to Gram-negative bacterium regulation of T cell activation
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