Tested Applications
| Positive WB detected in | rat thymus tissue | 
| Positive IHC detected in | rat spleen tissue Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0 | 
Recommended dilution
| Application | Dilution | 
|---|---|
| Western Blot (WB) | WB : 1:500-1:2000 | 
| Immunohistochemistry (IHC) | IHC : 1:50-1:500 | 
| It is recommended that this reagent should be titrated in each testing system to obtain optimal results. | |
| Sample-dependent, Check data in validation data gallery. | |
Product Information
31889-1-AP targets CD3 epsilon in WB, IHC, ELISA applications and shows reactivity with rat samples.
| Tested Reactivity | rat | 
| Host / Isotype | Rabbit / IgG | 
| Class | Polyclonal | 
| Type | Antibody | 
| Immunogen | CatNo: Eg1450 Product name: Recombinant Rat CD3 epsilon protein (rFc Tag) Source: mammalian cells-derived, pHZ-KIsec-C-rFc Tag: C-rFc Domain: 24-103 aa of NP_001101610.2 Sequence: IEDTVTDDGAQKQYEVSISGTSVELTCPLENEDNLKWEKNDKVLPDKNEKHLVLEDFSEVKDSGYYVCYTESSRKNTYLYPredict reactive species | 
| Full Name | CD3 molecule, epsilon polypeptide | 
| Calculated Molecular Weight | 22kDa | 
| Observed Molecular Weight | 25 kDa | 
| GenBank Accession Number | NP_001101610.2 | 
| Gene Symbol | Cd3e | 
| Gene ID (NCBI) | 315609 | 
| RRID | AB_3670133 | 
| Conjugate | Unconjugated | 
| Form | Liquid | 
| Purification Method | Antigen affinity Purification | 
| UNIPROT ID | A6J423 | 
| Storage Buffer | PBS with 0.02% sodium azide and 50% glycerol, pH 7.3. | 
| Storage Conditions | Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA. | 
Background Information
CD3 is a multimeric protein associated with the T-cell receptor (TCR) to form a complex involved in antigen recognition and signal transduction (PMID: 15885124). CD3 is composed of CD3γ, δ, ε, and ζ chains (PMID: 1826255). It is expressed by thymocytes in a developmentally regulated manner, T cells, and some NK cells (PMID: 3289580). The TCR recognizes antigens bound to major histocompatibility complex (MHC) molecules. TCR-mediated peptide-MHC recognition is transmitted to the CD3 complex, leading to the intracellular signal transduction (PMID: 11985657). This polyclonal antibody was raised against the epsilon chain of rat CD3 molecule.
Protocols
| Product Specific Protocols | |
|---|---|
| IHC protocol for CD3 epsilon antibody 31889-1-AP | Download protocol | 
| WB protocol for CD3 epsilon antibody 31889-1-AP | Download protocol | 
| Standard Protocols | |
|---|---|
| Click here to view our Standard Protocols | 




