CD3 Products

CD3 Antibody (SP7)
CD3 Antibody (SP7)
Species: Hu, Mu, Ca
Applications: ICC/IF, IHC, IHC-Fr, IHC-P
Host: Rabbit Monoclonal
Mouse CD3 ELISA Kit (Colorime ...
Mouse CD3 ELISA Kit (Colorimetric)
Species: Mu
Applications: ELISA
Rat CD3 ELISA Kit (Colorimetr ...
Rat CD3 ELISA Kit (Colorimetric)
Species: Rt
Applications: ELISA
CD3 Purification Kit
CD3 Purification Kit
Species: Hu
Applications: Flow


CD3 is a 20 kDa transmembrane protein. CD3 complex consists of 4 subdivisons, CD3 gamma, CD3 delta, CD3 epsilon, CD3 zeta, and CD3 eta, and together with TCR alpha/beta and gamma/delta heterodimers, forms the T-Cell Receptor (TCR) complex. TCR recognizes and bind to major histocompatibility complex (MHC) molecules, its recognition is transmitted to the CD3 complex, resulting in intracellular signal transduction. CD3 compelx acts as a pan-T cell marker for the normal and neoplastic T cells detection. CD3 is frequently use in researches involving Signal Transduction, Immunology, CD Markers, Stem Cell Lines/Markers, and Diabetes.


Entrez Human
Uniprot Human
Product By Gene ID 916
Alternate Names
  • CD3 antigen, delta subunit
  • T3DOKT3, delta chain
  • T-cell receptor T3 delta chain
  • T-cell surface glycoprotein CD3 delta chain
  • CD3e antigen
  • CD3e antigen, epsilon polypeptide (TiT3 complex)
  • CD3e molecule, epsilon (CD3-TCR complex)
  • CD3-epsilon
  • FLJ18683
  • T3E
  • T-cell antigen receptor complex, epsilon subunit of T3
  • T-cell surface antigen T3/Leu-4 epsilon chain
  • T-cell surface glycoprotein CD3 epsilon chain
  • TCRE
  • CD3g antigen
  • CD3g antigen, gamma polypeptide (TiT3 complex)
  • CD3g molecule, epsilon (CD3-TCR complex)
  • CD3g molecule, gamma (CD3-TCR complex)
  • FLJ17620
  • FLJ17664
  • FLJ79544
  • FLJ94613
  • MGC138597
  • CD3G
  • CD3d antigen
  • CD3d antigen, delta polypeptide (TiT3 complex)
  • CD3d molecule, delta (CD3-TCR complex)

Research Areas for CD3

Find related products by research area and learn more about each of the different research areas below.

Adaptive Immunity
CD Markers
Diabetes Research
Signal Transduction

PTMs for CD3

Learn more about PTMs related to CD3.

Gpi Anchoring

Bioinformatics Tool for CD3

Discover related pathways, diseases and genes to CD3. Need help? Read the Bioinformatics Tool Guide for instructions on using this tool.
Vizit™, under license from BioVista Inc.

Related CD3 Blog Posts

Check out the latest blog posts on CD3.
Transferrin and the blood brain barrier
Transferrin, an iron binding protein that facilitates iron uptake in cells, is an integral part of a mechanism that may introduce antibody therapies to the central nervous system. Currently, the brain’s ability to take in antibody therapies i...    Read more.
MHC Class I and the Herpes Simplex Virus
MHC molecules (also known as major histocompatibility complex molecules) assist in the presentation of antigens to T cells in order to eradicate foreign pathogens.  These molecules are highly polymorphic, meaning that they exist in multiple varian...    Read more.
CD3 (OKT3) as a marker of immune response efficiency
Our immune system is a powerful defense mechanism against infection, however different variables can cause our immune response to work for or against us.  CD3 (cluster of differentiation 3) is one component of our immune signal response that is co...    Read more.
The CD4 Antibody: More than Just a Cellular Marker
CD4 is a member of the cluster of differentiation family of proteins, mainly expressed on the surface of thymocytes and a specific subset of mature T-cells. CD4 antibody studies have also shown it expressed on monocytes, cortical cells, microglial cel...    Read more.
Read more CD3 related blogs.