CD3e molecule

mammalian protein found in Homo sapiens
Protein Protein Q7667899

Facts

8 properties
Instance of
protein
Part of
CD3 protein, epsilon/gamma/delta subunit, Immunoglobulin-like fold, Immunoglobulin-like domain superfamily, Immunoglobulin subtype 2, protein family, Phosphorylated immunoreceptor signalling ITAM, protein family[2][3][4][5][6]
Biological process
regulation of apoptotic process, G protein-coupled receptor signaling pathway, positive regulation of calcium-mediated signaling, negative regulation of smoothened signaling pathway, T cell differentiation in thymus, response to nutrient, transmembrane receptor protein tyrosine kinase signaling pathway, immune system process, T cell costimulation, positive regulation of interferon-gamma production, signal complex assembly, negative regulation of gene expression, positive regulation of interleukin-4 production, negative thymic T cell selection, cell surface receptor signaling pathway, positive regulation of gene expression, positive regulation of T cell anergy, positive regulation of T cell activation, positive regulation of T cell proliferation, positive regulation of alpha-beta T cell proliferation, positive regulation of peptidyl-tyrosine phosphorylation, regulation of immune response, apoptotic signaling pathway, lymphocyte activation, T cell receptor signaling pathway, T cell activation, protein homooligomerization, dendrite development, cerebellum development, adaptive immune response, protein-containing complex assembly, positive regulation of cell-matrix adhesion, cell surface receptor signaling pathway, T cell differentiation, T cell costimulation, positive regulation of cell-cell adhesion mediated by integrin, positive thymic T cell selection
Cell component
integral component of membrane, membrane, cell-cell junction, alpha-beta T cell receptor complex, plasma membrane, integral component of plasma membrane, T cell receptor complex, immunological synapse, external side of plasma membrane, dendritic spine, cell body, external side of plasma membrane, alpha-beta T cell receptor complex[19]
Encoded by
CD3E
Found in taxon
Homo sapiens
Has part(s)
immunoglobulin subtype 2, Phosphorylated immunoreceptor signalling ITAM[7][8]
Molecular function
SH3 domain binding, signal transducer activity, protein binding, protein heterodimerization activity, signaling receptor complex adaptor activity, T cell receptor binding, protein kinase binding, transmembrane signaling receptor activity, protein homodimerization activity, transmembrane signaling receptor activity[9][10][11][12][13][14][15][16][17][18]
🏷️ Also known as
en CD3E en CD3e antigen, epsilon polypeptide (TiT3 complex) en CD3e molecule en CD3e molecule, epsilon (CD3-TCR complex) en CD3-epsilon en T-cell antigen receptor complex, epsilon subunit of T3 en T-cell surface antigen T3/Leu-4 epsilon chain en T-cell surface glycoprotein CD3 epsilon chain
🔖 Identifiers · 5
Ensembl protein ID
ENSP00000354566, ENSP00000433975
PDB structure ID
1A81, 1SY6, 1XIW, 2ROL
RefSeq protein ID
NP_000724
Transporter Classification Database ID
8.A.128.1.10
UniProt protein ID
P07766

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Summary

CD3e molecule is a protein[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  2. [3] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  7. [8] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  8. [9] ↑ . Recruitment of Nck by CD3 epsilon reveals a ligand-induced conformational change essential for T cell receptor signaling and synapse formation. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  9. [10] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  10. [11] ↑ . Carcinoembryonic antigen-related cell adhesion molecule 1 inhibits proximal TCR signaling by targeting ZAP-70. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  11. [12] ↑ . Assembly of the TCR/CD3 complex: CD3ε/δ and CD3ε/γ dimers associate indistinctly with both TCRα and TCRβ chains. Evidence for a double TCR heterodimer model. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . T lymphocyte development in the absence of CD3 epsilon or CD3 gamma delta epsilon zeta. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . Fourteen years' follow-up of an autoimmune patient lacking the CD3 gamma subunit of the T-lymphocyte receptor. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [15] ↑ . Recruitment of Nck by CD3 epsilon reveals a ligand-induced conformational change essential for T cell receptor signaling and synapse formation. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [16] ↑ . Assembly of the TCR/CD3 complex: CD3ε/δ and CD3ε/γ dimers associate indistinctly with both TCRα and TCRβ chains. Evidence for a double TCR heterodimer model. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [17] ↑ . Homooligomerization of the cytoplasmic domain of the T cell receptor zeta chain and of other proteins containing the immunoreceptor tyrosine-based activation motif. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [18] ↑ . Assembly of the TCR/CD3 complex: CD3ε/δ and CD3ε/γ dimers associate indistinctly with both TCRα and TCRβ chains. Evidence for a double TCR heterodimer model. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  18. [19] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). CD3e molecule. Retrieved May 3, 2026, from https://4ort.xyz/entity/cd3e-molecule
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