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CD3d Antibody
Rabbit Polyclonal Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| WB, IF, ICC |
|---|---|
| Primary Accession | P04234 |
| Reactivity | Human, Monkey |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 18930 Da |
| Gene ID | 915 |
|---|---|
| Positive Control | WB: CCRFCEM, Jurkat, HuT78 whole cell lysates, IF/IC: Jurkat cells |
| Application & Usage | WB: 1:500 - 1:1000, IF/IC: 1:100 – 1:500 |
| Other Names | T3D; T-cell surface glycoprotein CD3 delta chain; T-cell receptor T3 delta chain; CD3d |
| Target/Specificity | CD3d |
| Antibody Form | Liquid |
| Appearance | Colorless liquid |
| Formulation | 1 mg/ml in 0.42% Potassium phosphate, 0.87% Sodium chloride, pH 7.3, 30% glycerol, and 0.01% sodium azide. |
| Handling | The antibody solution should be gently mixed before use. |
| Reconstitution & Storage | -20 °C |
| Background Descriptions | |
| Precautions | CD3d Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | CD3D |
|---|---|
| Synonyms | T3D |
| Function | Part of the TCR-CD3 complex present on T-lymphocyte cell surface that plays an essential role in adaptive immune response. When antigen presenting cells (APCs) activate T-cell receptor (TCR), TCR- mediated signals are transmitted across the cell membrane by the CD3 chains CD3D, CD3E, CD3G and CD3Z. 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, resulting in the activation of downstream signaling pathways (PubMed:2470098). In addition of this role of signal transduction in T-cell activation, CD3D plays an essential role in thymocyte differentiation. Indeed, participates in correct intracellular TCR-CD3 complex assembly and surface expression. In absence of a functional TCR-CD3 complex, thymocytes are unable to differentiate properly. Interacts with CD4 and CD8 and thus serves to establish a functional link between the TCR and coreceptors CD4 and CD8, which is needed for activation and positive selection of CD4 or CD8 T-cells(PubMed:12215456). |
| Cellular Location | Cell membrane; Single-pass type I membrane protein |
| Tissue Location | CD3D is mostly present on T-lymphocytes with its TCR-CD3 partners. Present also in fetal NK-cells |
Thousands of laboratories across the world have published research that depended on the performance of antibodies from Abcepta to advance their research. Check out links to articles that cite our products in major peer-reviewed journals, organized by research category.
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Provided below are standard protocols that you may find useful for product applications.
Background
T-cell surface glycoprotein CD3 delta chain, also known as CD3D, is a single-pass type I membrane protein. CD3D, together with CD3-gamma,CD3-epsilon and CD3-zeta, and the T-cell receptor alpha/beta and gamma/delta heterodimers, forms the T cell receptor-CD3 complex. T cell receptor-CD3 complex plays an important role in coupling antigen recognition to several intracellular signal-transduction pathways. This complex is critical for T-cell development and function, and represents one of the most complex transmembrane receptors. The T cell receptor-CD3 complex is unique in having ten cytoplasmic immunoreceptor tyrosine based activation motifs (ITAMs). Defects in CD3D cause severe combined immunodeficiency autosomal recessive T-cell-negative/B-cell-positive/NK cell-positive (T-/B+/NK+SCID) which is a genetically and clinically heterogeneous group of rare congenital disorders characterized by impairment of both humoral and cell-mediated immunity, leukopenia, and low or absent antibody levels.
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