Thermo Fisher Scientific CD3 Monoclonal Antibody (SK7), FITC, eBioscience

Applications and Tested Dilution

Product Specifications

Available Formats

• APC
• APC-eFluor 780
• Brilliant UV 395
• Brilliant UV 496
• Brilliant UV 563
• Brilliant UV 615
• Brilliant UV 661
• Brilliant Violet 650
• eFluor 450
• Functional Grade
• NovaFluor Blue 510
• NovaFluor Blue 610-70S
• NovaFluor Blue 660-120S
• NovaFluor Blue 690
• NovaFluor Red 725
• NovaFluor Red 755
• NovaFluor Yellow 610
• NovaFluor Yellow 690
• PE
• PE-Cyanine5.5
• PE-Cyanine7
• PerCP-Cyanine5.5
• PerCP-eFluor 710
• Super Bright 436
• Super Bright 600
• Super Bright 702
• Super Bright 780
• Request custom conjugation available

Product Specific Information

Description:
The SK7 monoclonal antibody reacts with human and chimpanzee 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 SK7 and UCHT1 monoclonal antibodies cross-block binding, suggesting recognition of overlapping epitopes.

Applications Reported:
This SK7 antibody has been reported for use in flow cytometric analysis.

Applications Tested:
This SK7 antibody has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. It 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 10⁵ to 10⁸ cells/test.

Fluorescence Information:

• Excitation: 488 nm
• Emission: 520 nm
• Laser: Blue Laser
• Filtration: 0.2 µm post-manufacturing filtered

Target Information

The CD3 subunit 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 subunits are structurally related members of the immunoglobulin superfamily encoded by closely linked genes on human chromosome 11.

The CD3 components have long cytoplasmic tails that associate with cytoplasmic signal transduction molecules, mediated 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 genes encoding the CD3 epsilon, gamma, and delta polypeptides are located on chromosome 11. Defects in the CD3 gene are associated with CD3 immunodeficiency.

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

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