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Alexa Fluor® 488 anti-human CD3 Antibody

Pricing & Availability
Clone
OKT3 (See other available formats)
Regulatory Status
RUO
Workshop
HCDM listed
Other Names
T3, CD3ε
Isotype
Mouse IgG2a, κ
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Product Citations
publications
OKT3_Alx488_053107
Human peripheral blood lymphocytes stained with OKT3 Alexa Fluor® 488
  • OKT3_Alx488_053107
    Human peripheral blood lymphocytes stained with OKT3 Alexa Fluor® 488
Compare all formats See Alexa Fluor® 488 spectral data
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317310 100 tests 212€
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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.

Product Details
Technical Data Sheet (pdf)

Product Details

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 Alexa Fluor® 488 under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration, please enter the lot number in our Concentration and Expiration Lookup or Certificate of Analysis online tools.)
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.

* Alexa Fluor® 488 has a maximum emission of 519 nm when it is excited at 488 nm.


Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.

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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
  1. Schlossman S, et al. Eds. 1995. Leucocyte Typing V. Oxford University Press. New York.
  2. Knapp W. 1989. Leucocyte Typing IV. Oxford University Press New York.
  3. Barclay N, et al. 1997. The Leucocyte Antigen Facts Book. Academic Press Inc. San Diego.
  4. Li B, et al. 2005. Immunology 116:487.
  5. Jeong HY, et al. 2008. J. Leuckocyte Biol. 83:755. PubMed
  6. Alter G, et al. 2008. J. Virol. 82:9668. PubMed
  7. Manevich-Mendelson E, et al. 2009. Blood 114:2344. PubMed
  8. Pinto JP, et al. 2010. Immunology. 130:217. PubMed
  9. Biggs MJ, et al. 2011. J. R. Soc. Interface. 8:1462. PubMed
Product Citations
  1. Xu Q, et al. 2023. Nat Immunol. 24:186. PubMed
  2. Pan R, et al. 2022. Cell. 185:1521. PubMed
  3. Mogilenko DA, et al. 2020. Immunity. 54(1):99-115.e12. PubMed
  4. Neal JT, et al. 2018. Cell. 175:1972. PubMed
  5. Huang RS, et al. 2021. Curr Protoc. 1:e246. PubMed
  6. Cassioli C, et al. 2021. Front Cell Dev Biol. 9:673446. PubMed
  7. Feigelson S, et al. 2010. J Immunol. 185:7394. PubMed
RRID
AB_571877 (BioLegend Cat. No. 317310)

Antigen Details

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
  1. Barclay N, et al. 1993. The Leucocyte FactsBook. Academic Press. San Diego.
  2. Beverly P, et al. 1981. Eur. J. Immunol. 11:329.
  3. Lanier L, et al. 1986. J. Immunol. 137:2501.
Gene ID
916 View all products for this Gene ID
UniProt
View information about CD3 on UniProt.org

Related FAQs

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Go To Top Version: 3    Revision Date: 06/27/2014

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

BioLegend, the BioLegend logo, and all other trademarks are property of BioLegend, Inc. or their respective owners, and all rights are reserved.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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