Product Description
CD3ε is a 20 kD chain of the CD3/T cell receptor (TCR) complex, which is composed of two CD3ε, one CD3γ, one CD3δ, one CD3ζ (CD247), and a T cell receptor (α/β or γ/δ) heterodimer. It is found on all mature T lymphocytes, NK T cells, and some thymocytes. CD3, also known as T3, is a member of the immunoglobulin superfamily that plays a role in antigen recognition, signal transduction, and T cell activation.
100tests
Verified Reactivity: Human
Antibody Type: Monoclonal
Host Species: Mouse
Formulation: Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA).
Preparation: The antibody was purified by affinity chromatography and conjugated with Brilliant Violet 711™ under optimal conditions.
Concentration: Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
Storage & Handling: The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application: FC - Quality tested
Recommended Usage: Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood. Brilliant Violet 711™ excites at 405 nm and emits at 711 nm. The bandpass filter 710/50 nm is recommended for detection, although filter optimization may be required depending on other fluorophores used. Be sure to verify that your cytometer configuration and software setup are appropriate for detecting this channel. Refer to your instrument manual or manufacturer for support. Brilliant Violet 711™ is a trademark of Sirigen Group Ltd.Learn more about Brilliant Violet™. This product is subject to proprietary rights of Sirigen Inc. and is made and sold under license from Sirigen Inc. The purchase of this product conveys to the buyer a non-transferable right to use the purchased product for research purposes only. This product may not be resold or incorporated in any manner into another product for resale. Any use for therapeutics or diagnostics is strictly prohibited. This product is covered by U.S. Patent(s), pending patent applications and foreign equivalents.
Excitation Laser: Violet Laser (405 nm)
Application Notes: The OKT3 monoclonal antibody reacts with an epitope on the epsilon-subunit within the human CD3 complex.Clone OKT3 can block the binding of clones SK7 and UCHT1.4 The OKT3 antibody is able to induce T cell activation. Additional reported applications (for the relevant formats) include: immunohistochemical staining of acetone-fixed frozen sections and activation of T cells. The LEAF™ purified antibody (Endotoxin <0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 317304). For highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 317326) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin <0.01 EU/µg).
Application References(PubMed link indicates BioLegend citation): Schlossman S, et al. Eds. 1995. Leucocyte Typing V. Oxford University Press. New York. Knapp W. 1989. Leucocyte Typing IV. Oxford University Press New York. Barclay N, et al. 1997. The Leucocyte Antigen Facts Book. Academic Press Inc. San Diego. Li B, et al. 2005. Immunology 116:487. Jeong HY, et al. 2008. J. Leuckocyte Biol. 83:755. PubMed Alter G, et al. 2008. J. Virol. 82:9668. PubMed Manevich-Mendelson E, et al. 2009. Blood 114:2344. PubMed Pinto JP, et al. 2010. Immunology. 130:217. PubMed Biggs MJ, et al. 2011. J. R. Soc. Interface. 8:1462. PubMed
Product Citations: Metelo AM, et al. 2022. Cancer Res Commun. 2:158. PubMed Potez M, et al. 2023. Front Oncol. 13:1124272. PubMed Wang F, et al. 2023. Sci Adv. 9:eadf5464. PubMed Mo Y, et al. 2022. Front Immunol. 12:799896. PubMed Pizzolla A, et al. 2021. Methods Mol Biol. 2265:529. PubMed Jaffe D, et al. 2022. Nature. 611:352. PubMed Veatch JR, et al. 2022. Cancer Cell. 40:393. PubMed Kritikou J, et al. 2016. Sci Rep. 6:30636. PubMed Swadling L, et al. 2020. Cell Rep. 30:687. PubMed Zhou R, et al. 2020. Immunity. S1074-7613(20)30333-2.. PubMed Karim F, et al. 2021. Elife. 10:. PubMed Klichinsky M, et al. 2020. Nat Biotechnol. 38:947. PubMed Gruber T, et al. 2020. JCI Insight. 5:00. PubMed Pellett Madan R, et al. 2020. Clin Transplant. 34:e14021. PubMed Powell WE, et al. 2018. Diabetologia. 61:1794. PubMed Lee E, et al. 2019. Front Microbiol. 1.954166667. PubMed Izadi D, et al. 2019. Sci Adv. 5:eaay0370. PubMed Cassetta L et al. 2019. Cancer Cell. 35(4):588-602 . PubMed Gyurdieva A, et al. 2022. Nat Commun. 13:5296. PubMed Paul S, et al. 2021. Sci Transl Med. 13:. PubMed Collier DA, et al. 2021. Nature. 596:417. PubMed D'Antoni ML, et al. 2019. Front Immunol. 2.353472222. PubMed Willmann K, et al. 2014. Nat Commun. 5:5360. PubMed D’Antoni ML, et al. 2018. J Acquir Immune Defic Syndr. 79:108. PubMed Darcis G, et al. 2020. Cell Rep. 30:2284. PubMed Joyner CJ, et al. 2022. Life Sci Alliance. 5:. PubMed
RRID: AB_11219592 (BioLegend Cat. No. 317327) AB_2562907 (BioLegend Cat. No. 317328)
Structure: Ig superfamily, the subunits CD3γ, CD3δ, CD3ζ (CD247) and TCR (α/β or γ/δ) form the CD3/TCR complex, 20 kD
Distribution: Mature T and NK T cells, thymocyte differentiation
Function: Antigen recognition, signal transduction, T cell activation
Ligand/Receptor: Peptide antigen bound to MHC
Cell Type: NKT cells, T cells, Thymocytes, Tregs
Biology Area: Immunology
Molecular Family: CD Molecules
Antigen References: Barclay N, et al. 1993. The Leucocyte FactsBook. Academic Press. San Diego. Beverly P, et al. 1981. Eur. J. Immunol. 11:329. Lanier L, et al. 1986. J. Immunol. 137:2501.
Gene ID: 916
UniProt: View information about CD3 on UniProt.org
Clone: OKT3
Regulatory Status: RUO
Workshop: HCDM listed
Other Names: T3, CD3ε
Isotype: Mouse IgG2a, κ
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Tony Tang
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