CD3 Antibody (CA17.2A12) [DyLight 680]

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Product Details

Summary
Reactivity CaSpecies Glossary
Applications Flow, IHC, IHC-Fr, IHC-P, ICC/IF
Clone
CA17.2A12
Clonality
Monoclonal
Host
Mouse
Conjugate
DyLight 680

Order Details

CD3 Antibody (CA17.2A12) [DyLight 680] Summary

Immunogen
This CD3 antibody was developed against affinity enriched TCR/CD3 membrane proteins isolated from thymocytes and the T cell line CLGL-90.
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Gene
CD3E
Purity
Protein A or G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry
  • Immunohistochemistry
  • Immunohistochemistry-Frozen
  • Immunohistochemistry-Paraffin
  • Immunofluorescence
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Packaging, Storage & Formulations

Storage
Store at 4C in the dark.
Buffer
50mM Sodium Borate
Preservative
0.05% Sodium Azide
Purity
Protein A or G purified

Notes



DyLight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries.

Alternate Names for CD3 Antibody (CA17.2A12) [DyLight 680]

  • CD_antigen: CD3e
  • CD3 antigen, delta subunit
  • CD3
  • CD3d antigen
  • CD3d antigen, delta polypeptide (TiT3 complex)
  • CD3d molecule, delta (CD3-TCR complex)
  • CD3-DELTA
  • CD3e antigen
  • CD3e antigen, epsilon polypeptide (TiT3 complex)
  • CD3e molecule, epsilon (CD3-TCR complex)
  • CD3e
  • CD3-epsilon
  • CD3g antigen
  • CD3g antigen, gamma polypeptide (TiT3 complex)
  • CD3g molecule, epsilon (CD3-TCR complex)
  • CD3g molecule, gamma (CD3-TCR complex)
  • CD3G
  • CD3-GAMMA
  • FLJ17620
  • FLJ17664
  • FLJ18683
  • FLJ79544
  • FLJ94613
  • IMD18
  • MGC138597
  • T3DOKT3, delta chain
  • T3E
  • T-cell antigen receptor complex, epsilon subunit of T3
  • T-cell receptor T3 delta chain
  • T-cell surface antigen T3/Leu-4 epsilon chain
  • T-cell surface glycoprotein CD3 delta chain
  • T-cell surface glycoprotein CD3 epsilon chain
  • TCRE

Background

CD3 (cluster of differentiation marker 3) is a multi-subunit transmembrane protein that is expressed on the surface of T-cells and forms a complex with the T-cell receptor (TCR) (1-3). CD3 consists of four distinct membrane protein isoforms: CD3-delta (delta), CD3-epsilon (epsilon), CD3-gamma, and CD3-zeta (1-3). The CD3 subunits organize into a complex containing three sets of dimers: CD3-epsilondelta, CD3-epsilongamma, CD3-zetazeta. The CD3 complex binds to the TCR heterodimer (alphabeta or gammadelta) to form the transmembrane TCR-CD3 complex (2-3). Structurally, the CD3 protein chains have an extracellular region, a transmembrane domain, and a cytoplasmic trail region (2-3). The CD3-epsilondelta and CD3-epsilongamma heterodimers also contain an extracellular immunoglobulin (Ig)-like domain, classifying them as part of the immunoglobulin superfamily (2-3). The cytoplasmic tail of each CD3 chain also contains one (delta, epsilon, gamma) or three (zeta) immunoreceptor tyrosine-based activation motifs (ITAMs), for a total of 10 ITAMs in the whole CD3 complex (2-3). Following, TCR binding to peptide major histocompatibility complex (p-MHC), the CD3 ITAMs are phosphorylated by the Src kinase Lck and are important for recruiting ZAP70 and initiating TCR signaling cascade activation (2). While similar in structure, the CD3 chains vary in length and molecular weight (4). The CD3-delta is 171 amino acids (aa) in length with a theoretical molecular weight of 18.9 kDa (4, 5). The CD3-epsilon is 204 aa long and has a theoretical molecular weight of 23 kDa (4, 5). CD3-gamma is 182 aa long with a theoretical molecular weight of 20.4 kDa (4, 5). Finally, CD3-zeta is 164 aa in length with a theoretical molecular weight of 18.6 kDa (4, 5).

CD3 proteins are expressed on the surface of thymocytes during thymocyte development, proliferation, and maturation to T-cells (4, 6, 7). During T-cell development CD4-CD8- double negative (DN) cells differentiate to CD4+CD8+ double positive (DP) cells before progressing to single positive (SP) CD4+ helper T-cells or CD8+ cytotoxic T-cells (4, 6, 7). As CD3 plays an important role in thymocyte development, it is understandable that CD3 defects and mutations in CD3 protein chains cause severe combined immunodeficiencies (SCIDs) (8). Additionally, a subset of CD3+ T-cells that co-express CD20 are described in a variety of diseases including rheumatoid arthritis, multiple sclerosis, CD20+ T-cell leukemia/lymphoma, and HIV (9). Clinical trials and animal models have shown that anti-CD3 monoclonal antibodies are a promising treatment modality for inflammatory disorders and autoimmune diseases, such as type I diabetes (10).

References

1. Chetty, R., & Gatter, K. (1994). CD3: structure, function, and role of immunostaining in clinical practice. The Journal of pathology. https://doi.org/10.1002/path.1711730404

2. Mariuzza, R. A., Agnihotri, P., & Orban, J. (2020). The structural basis of T-cell receptor (TCR) activation: An enduring enigma. The Journal of biological chemistry. https://doi.org/10.1074/jbc.REV119.009411

3. Kuhns, M. S., Davis, M. M., & Garcia, K. C. (2006). Deconstructing the form and function of the TCR/CD3 complex. Immunity. https://doi.org/10.1016/j.immuni.2006.01.006

4. Clevers, H., Alarcon, B., Wileman, T., & Terhorst, C. (1988). The T cell receptor/CD3 complex: a dynamic protein ensemble. Annual review of immunology. https://doi.org/10.1146/annurev.iy.06.040188.003213

5. Uniprot: CD3-delta (P04234), CD3-epsilon (P07766), CD3-gamma (P09693), CD3-zeta (P20963)

6. D'Acquisto, F., & Crompton, T. (2011). CD3+CD4-CD8- (double negative) T cells: saviours or villains of the immune response?. Biochemical pharmacology. https://doi.org/10.1016/j.bcp.2011.05.019

7. Dave V. P. (2009). Hierarchical role of CD3 chains in thymocyte development. Immunological reviews. https://doi.org/10.1111/j.1600-065X.2009.00835.x

8. Fischer, A., de Saint Basile, G., & Le Deist, F. (2005). CD3 deficiencies. Current opinion in allergy and clinical immunology. https://doi.org/10.1097/01.all.0000191886.12645.79

9. Chen, Q., Yuan, S., Sun, H., & Peng, L. (2019). CD3+CD20+ T cells and their roles in human diseases. Human immunology. https://doi.org/10.1016/j.humimm.2019.01.001

10. Kuhn, C., & Weiner, H. L. (2016). Therapeutic anti-CD3 monoclonal antibodies: from bench to bedside. Immunotherapy. https://doi.org/10.2217/imt-2016-0049

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Secondary Antibodies

 

Isotype Controls

Other Available Formats

Alexa Fluor 350 NBP2-49891AF350
Alexa Fluor 405 NBP2-49891AF405
Alexa Fluor 488 NBP2-49891AF488
Alexa Fluor 532 NBP2-49891AF532
Alexa Fluor 594 NBP2-49891AF594
Alexa Fluor 647 NBP2-49891AF647
Alexa Fluor 700 NBP2-49891AF700
Alexa Fluor 750 NBP2-49891AF750
Allophycocyanin NBP2-49891APC
Biotin NBP2-49891B
DyLight 350 NBP2-49891UV
DyLight 405 NBP2-49891V
DyLight 488 NBP2-49891G
DyLight 550 NBP2-49891R
DyLight 594 NBP2-49891DL594
DyLight 650 NBP2-49891C
DyLight 680 NBP2-49891FR
DyLight 755 NBP2-49891IR
FITC NBP2-49891F
HRP NBP2-49891H
Janelia Fluor 549 NBP2-49891JF549
Janelia Fluor 646 NBP2-49891JF646
PE NBP2-49891PE
PerCP NBP2-49891PCP

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Bioinformatics

Gene Symbol CD3E