Invitrogen™ CD3 Monoclonal Antibody (OKT3), eFluor™ 450, eBioscience™, Invitrogen™

Catalog No.	Quantity
50-162-28	25 Tests
50-112-9481	100 Tests

Catalog No. 50-162-28 Supplier Invitrogen™ Supplier No. 48003741

Description

Mouse Monoclonal Antibody

Description: The OKT3 monoclonal antibody reacts with an epitope on the epsilon-subunit within the human CD3 complex. The OKT3 antibody has been reported to have potent immunosuppressive properties in vivo and has been proven effective in the treatment of renal, heart and liver allograft rejection. The CD3 subunits, gamma, delta, and epsilon chains, are 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. Crosslinking of TCR initiates an intracellular biochemical pathway resulting in cellular activation and proliferation. Applications Reported: This OKT3 antibody has been reported for use in flow cytometric analysis. Applications Tested: This OKT3 antibody has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. This can be used at 5 μL (1 μg) per test. 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. eFluor™ 450 is an alternative to Pacific Blue™. eFluor™ 450 emits at 445 nm and is excited with the Violet laser (405 nm). Please make sure that your instrument is capable of detecting this fluorochome. Excitation: 405 nm; Emission: 445 nm; Laser: Violet Laser. Filtration: 0.2 μm post-manufacturing filtered.

The CD3 complex, composed of gamma, delta, epsilon, and zeta subunits, is essential for the assembly, trafficking, and surface expression of the T cell receptor (TCR) complex. These subunits are structurally related members of the immunoglobulin superfamily and are encoded by closely linked genes on human chromosome 11. CD3 is expressed by thymocytes in a developmentally regulated manner and by all mature T cells, but not on B or NK cells. The CD3 subunits play a crucial role in transducing antigen-recognition signals into the cytoplasm of T cells. The cytoplasmic tails of CD3 subunits contain a double tyrosine-based motif that associates with cytoplasmic signal transduction molecules, mediating T cell activation through the TCR. Crosslinking of the TCR initiates intracellular biochemical pathways that result in cellular activation, proliferation, and potentially growth arrest and cell survival. CD3 is present on 68-82% of normal peripheral blood lymphocytes, 65-85% of thymocytes, and Purkinje cells in the cerebellum. Decreased percentages of T lymphocytes may be observed in some autoimmune diseases. Defects in the CD3 gene are associated with CD3 immunodeficiency, highlighting its importance in immune function and regulation.

Specifications

• Antigen: CD3
• Applications: Flow Cytometry
• Classification: Monoclonal
• Clone: OKT3
• Concentration: 5 μL/Test
• Conjugate: eFluor 450
• Formulation: PBS with BSA and 0.09% sodium azide; pH 7.2
• Gene: CD3g
• Gene Accession No.: P04234, P07766, P09693, P20963
• Gene Alias: 4930549J05Rik; A430104F18Rik; AI504783; antigen CD3D, delta polypeptide (TiT3 complex); antigen CD3E, epsilon polypeptide (TiT3 complex); antigen CD3G, gamma polypeptide; antigen CD3Z, zeta polypeptide; AW552088; Cd247; CD247 antigen; CD247 antigen, zeta subunit; Cd247 molecule; CD3; CD3 antigen delta chain; CD3 antigen delta polypeptide; CD3 antigen gamma chain; CD3 antigen, delta polypeptide; CD3 antigen, delta subunit; CD3 antigen, epsilon polypeptide; CD3 antigen, gamma polypeptide; CD3 antigen, zeta polypeptide; CD3 delta; CD3 epsilon; CD3 epsilon chain; CD3 epsilon subunit; CD3 epsilon subunit precursor; CD3 gamma-chain; CD3 glycoprotein; CD3 glycoprotein precursor; CD3 molecule delta polypeptide; CD3 molecule, delta; CD3 molecule, epsilon; CD3 molecule, epsilon polypeptide; CD3 molecule, gamma; CD3 molecule, gamma polypeptide; CD3 protein; CD3 TCR complex; CD3 type I transmembrane glycoprotein; CD3 type I transmembrane glycoprotein precursor; CD3 zeta chain; Cd3d; CD3D antigen delta; CD3D antigen, delta polypeptide (TiT3 complex); CD3d molecule; CD3d molecule, delta (CD3-TCR complex); CD3-DELTA; Cd3e; CD3E antigen, epsilon polypeptide; CD3E antigen, epsilon polypeptide (TiT3 complex); CD3e molecule; CD3e molecule, epsilon (CD3-TCR complex); CD3epsilon; CD3-epsilon; Cd3-eta; Cd3g; CD3G antigen, gamma polypeptide; CD3g antigen, gamma polypeptide (TiT3 complex); CD3g molecule; CD3g molecule, epsilon (CD3-TCR complex); CD3g molecule, gamma (CD3-TCR complex); CD3-GAMMA; Cd3h; CD3Q; Cd3z; CD3Z antigen, zeta polypeptide (TiT3 complex); Cd3zeta; Cd3-zeta; CD3zeta chain; CD3-zeta/eta; Ctg3; Ctg-3; FLJ18683; IMD17; IMD18; IMD19; IMD25; Leu-4; OKT3, delta chain; T cell antigen receptor complex epsilon subunit of T3; T3/TCR complex; T3d; T3e; T3g; T3Z; 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 CD3 epsilon chain; T-cell receptor CD3 epsilon subunit; T-cell receptor CD3 subunit zeta; T-cell receptor CD3, subunit zeta; T-cell receptor T3 delta chain; T-cell receptor T3 eta chain; T-cell receptor T3 gamma chain; T-cell receptor T3 zeta chain; T-cell receptor zeta chain; T-cell surface antigen T3/Leu-4 epsilon chain; 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 protein; TcR CD3 delta-chain; TcR CD3 gamma-chain; TCR zeta chain; TCR zeta chain subunit; TCRE; Tcrk; TCRZ; TCRzeta; TiT3 complex; type I transmembrane protein; T-cell surface molecule CD3
• Gene Symbols: Cd247, Cd3d, CD3E, CD3g
• Host Species: Mouse
• Purification Method: Affinity chromatography
• Quantity: 25 Tests
• Regulatory Status: RUO
• Primary or Secondary: Primary
• Gene ID (Entrez): 915, 916, 917, 919
• Target Species: Human
• Content And Storage: 4°C, store in dark, DO NOT FREEZE!
• Product Type: Antibody
• Form: Liquid
• Isotype: IgG2a κ

Frequently Asked Questions (FAQs)

I am unable to analyze my cells stained with eFluor Organic Dyes today. What options do I have?

Our options will depend on the samples you are analyzing.

If cell viability is not critical, you can store your stained samples at 4 degrees C or on ice overnight in the dark and analyze the following day.

For samples stained with eFluor organic fluorochromes, we recommend that cells be suspended in 100 uL of Flow Cytometry Staining Buffer (Cat. No. 00-4222) and 100 uL of eBioscience IC Fixation Buffer (Cat. No. 00-8222); samples can be incubated for up to 3 days at 4 degrees C in the dark. Alternatively, the 1-step Fix/Lyse Solution (Cat. No. 00-5333) can be used. This is a great option when working with whole blood but also works for other cell types.

Can the eFluor Organic fluorochromes be used for intracellular staining?

Yes, the eFluor Organic fluorochromes can be used for intracellular staining. The eFluor organic fluorochromes maintain bright signal and require minimal changes in compensation when fixed with eBioscience IC Fixation Buffer (Cat. No. 00-8222-49) and Permeabilization Buffer (Cat. No. 00-8333-56) or 1-step Fix/Lyse Solution (Cat. No. 00-5333-54, 00-5333-57) (as compared to live cells).

What buffers are compatible with the eFluor Organic fluorochromes and eVolve QDots?

The eFluor Organic fluorochromes and eVolve QDots can be used with flow staining buffers containing PBS and protein.

What is the difference between eFluor Organic Dyes and eVolve Qdots?

The eFluor Organic Dyes (eFluor 450, APC-eFluor 780, PerCP-eFluor 710, eFluor 710) are conventional fluorochromes. In contrast, the eVolve line of products are Quantum dots.

Are the eFluor Organic Dyes photo-labile?

As with other fluorochromes, we recommend minimal exposure to light to maintain optimal signal.

For Research Use Only.