CD3E Antibody

Shipped with Ice Packs
In Stock

Product Specs

Buffer
PBS with 0.1% Sodium Azide, 50% Glycerol, pH 7.3. Store at -20°C. Avoid freeze/thaw cycles.
Lead Time
Typically, we can ship your order within 1-3 business days of receiving it. Delivery times may vary depending on your location and the chosen shipping method. Please consult your local distributor for specific delivery details.
Synonyms
CD3 epsilon antibody; CD3e antibody; CD3e antigen antibody; CD3e antigen epsilon polypeptide (TiT3 complex) antibody; CD3E antigen epsilon polypeptide antibody; CD3E antigen, epsilon subunit antibody; CD3e molecule epsilon antibody; CD3e molecule, epsilon (CD3 TCR complex) antibody; CD3e molecule, epsilon (CD3-TCR complex) antibody; CD3E_HUMAN antibody; IMD18 antibody; T cell antigen receptor complex epsilon subunit of T3 antibody; T cell surface antigen T3/Leu 4 epsilon chain antibody; T cell surface glycoprotein CD3 epsilon chain antibody; T-cell surface antigen T3/Leu-4 epsilon chain antibody; T-cell surface glycoprotein CD3 epsilon chain antibody; T3E antibody; TCRE antibody
Target Names
Uniprot No.

Target Background

Function
CD3E is a component of the TCR-CD3 complex found on the surface of T-lymphocytes. It plays a crucial role in the adaptive immune response. When antigen-presenting cells (APCs) activate the T-cell receptor (TCR), CD3E, along with CD3D, CD3G, and CD3Z, transmit signals across the cell membrane. All CD3 chains contain immunoreceptor tyrosine-based activation motifs (ITAMs) in their cytoplasmic domain. Upon TCR engagement, these motifs become phosphorylated by Src family protein tyrosine kinases LCK and FYN, triggering the activation of downstream signaling pathways. Beyond its role in signal transduction during T-cell activation, CD3E is essential for proper T-cell development. It initiates the assembly of the TCR-CD3 complex by forming two heterodimers: CD3D/CD3E and CD3G/CD3E. CD3E also participates in the internalization and down-regulation of TCR-CD3 complexes on the cell surface through endocytosis sequences present in its cytosolic region.
Gene References Into Functions
  • The ionic CD3-epsilon -Lck interaction regulates the phosphorylation level of the T-cell receptor. PMID: 28659468
  • A novel pathogenic frameshift variant of the CD3E gene has been identified in two unrelated T-B+ NK+ severe combined immunodeficiency infants from Turkey. PMID: 28597365
  • The stalk domains of NKp30 and NKp46, other NCRs utilizing CD3zeta for signaling, were not interchangeable without significant deficiencies in folding, plasma membrane targeting, and/or ligand-induced receptor signaling. PMID: 27754869
  • The inducible recruitment of WASp to the TCR-CD3 complex is partially dependent on tyrosine phosphorylation of Cd3e. PMID: 26342115
  • Our findings suggest that the change in CD3zeta-chain expression from the baseline is an independent predictor of residual and recurrent head and neck squamous cell carcinoma. PMID: 26888626
  • Data suggest that HIV-1 gp41 transmembrane domain (TMD) directly interacts with TMDs of the T-cell receptor and its CD3-antigen co-receptors (delta, gamma, and epsilon). These interactions may be involved in the immune evasion mechanism of HIV-1. PMID: 26828096
  • Nck recruitment to the TCR is fundamental to mount an efficient T cell response in vivo, and the Nck-CD3epsilon interaction could be a target for pharmacological modulation of the immune response. PMID: 24470497
  • ABCB1 homozygous 3435 TT carrier subjects exhibited the lowest Pgp activity compared with 3435 CT and CC carriers in renal transplant patients. PMID: 23216707
  • Local alterations in the lipid composition of TCR microclusters make the CD3epsilon cytoplasmic domain accessible during the early stages of T cell activation. PMID: 23166358
  • Levels of CD3epsilon, CD25, CD68, and ICAM-1 mRNA in BCC biopsies may predict the risk for new basal cell carcinomas. PMID: 21980389
  • Analysis of the transgenic integration site in immunodeficient tgepsilon26 human CD3epsilon transgenic mice. PMID: 21203507
  • Results indicate that the generation of CD3varepsilon chain isoforms with different N-terminal sequence and pI is a common occurrence. PMID: 19616027
  • Nck recruitment by CD3 epsilon reveals a ligand-induced conformational change crucial for T cell receptor signaling and synapse formation. PMID: 12110186
  • The T cell receptor can be recruited to a subset of plasma membrane rafts, independent of cell signaling and associated with raft clustering. PMID: 12499387
  • SCID is caused by a CD3E deficiency. PMID: 15546002
  • CD3 expression was strong in normal proximal and distal tubular epithelium and in renal oncocytomas, weak in chromophobe carcinoma, and absent in clear cell carcinomas, papillary renal cell carcinoma, and a transitional cell carcinoma. PMID: 16308105
  • The CD3 epsilon immune recognition receptor cytoplasmic domain binds to acidic and mixed phospholipid vesicles with a binding strength that correlates with the protein net charge and the presence of clustered basic amino acid residues. PMID: 17176095
  • The CD3epsilon-mediated signal transduction pathway is essential for this transformation process. PMID: 17507663
  • Notch-dependent cytoplasmic CD3 expression can only be achieved during the early phase of NK-cell differentiation. PMID: 17630354
  • In lung adenocarcinoma patients, significant decreases in MFI values for CD3epsilon, but not CD3zeta, were observed in CD4+T and CD8+T cells from pleural effusion compared to peripheral blood and in peripheral blood of patients compared to healthy donors. PMID: 17668204
  • Data show that Nck forms a complex with an atypical PxxDY motif of the CD3epsilon tail, which encompasses Tyr166 within the activation motif and a T-cell receptor endocytosis signal. PMID: 18555270
  • Results revealed that anti-CD3 monoclonal antibody (MAb)-mediated chimpanzee T-cell activation is a function of the anti-CD3 MAb isotype and is not governed by Siglec expression. PMID: 18667496
  • Studies revealed that the human CD3 epsilon subunit forms a homodimer structure, providing insight into our understanding of the molecular assembly of the CD3 molecular complex. PMID: 19724882

Show More

Hide All

Database Links

HGNC: 1674

OMIM: 186830

KEGG: hsa:916

STRING: 9606.ENSP00000354566

UniGene: Hs.3003

Involvement In Disease
Immunodeficiency 18 (IMD18)
Subcellular Location
Cell membrane; Single-pass type I membrane protein.

Quick Inquiry

Personal Email Detected
Please use an institutional or corporate email address for inquiries. Personal email accounts ( such as Gmail, Yahoo, and Outlook) are not accepted. *
© Copyright 2025 TheBiotek. All Rights Reserved.