Human Cytotoxic T-Lymphocyte Protein 4 (CTLA4) Protein
234€ (10 µg)
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name
Human Cytotoxic T-Lymphocyte Protein 4 (CTLA4) Protein
category
Proteins and Peptides
provider
Abbexa
reference
abx691392
tested applications
SDS-PAGE
Description
Cytotoxic T-Lymphocyte Protein 4 (CTLA4) protein is a recombinant Human protein expressed in HEK293 cells.
Documents del producto
Instrucciones
Data sheet
Product specifications
| Category | Proteins and Peptides |
| Immunogen Target | Cytotoxic T-Lymphocyte Protein 4 (CTLA4) |
| Host | HEK293 cells |
| Assay Type | Activity: Not tested Sequence Fragment: Lys36-Asp161 Tag: C-terminal Flag tag |
| Origin | Human |
| Observed MW | Calculated MW: 14.5 kDa Observed MW (SDS-PAGE): 20 kDa |
| Expression | Recombinant |
| Purity | > 95% (SDS-PAGE) |
| Purification | 0.2 µm filtered prior to lyophilization. |
| Size 1 | 10 µg |
| Size 2 | 50 µg |
| Form | Lyophilized |
| Tested Applications | SDS-PAGE |
| Buffer | Prior to lyophilization: 20 mM PBS, 150 mM NaCl, pH 7.4, containing 5%-8% Trehalose, Mannitol and 0.01% Tween 80. |
| Availability | Shipped within 5-15 working days. |
| Storage | Storage: Store lyophilized between -20 °C and -80°C. Stability: Stable when stored reconstituted at 2-8°C for up to 1 week. Reconstituted aliquots are stable at -20°C for up to 3 months. Shelf Life: 12 months. |
| Dry Ice | No |
| UniProt ID | P16410 |
| Gene ID | 1493 |
| OMIM | 109100, 123890, 152700, 601388, 609755, 610424, 616100 |
| Alias | Cytotoxic T-lymphocyte protein 4,CD,GSE,GRD4,ALPS5,CD152,Cytotoxic T-lymphocyte-associated antigen 4,CTLA-4,IDDM12,CELIAC3, |
| Background | Protein CTLA4 |
| Status | RUO |
| Note | THIS PRODUCT IS FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC, THERAPEUTIC OR COSMETIC PROCEDURES. NOT FOR HUMAN OR ANIMAL CONSUMPTION. Reconstitute in sterile H2O to prepare a stock solution of concentration 0.25 mg/ml. Do not vortex. Endotoxin Level: < 1.0 EU per µg (LAL method). |
Descripción
Cytotoxic T-lymphocyte associated protein 4 (CTLA-4), encoded by the CTLA4 gene on chromosome 2, is an essential immune checkpoint receptor primarily expressed on activated T cells and regulatory T cells (Tregs). CTLA-4 plays a crucial role in maintaining immune homeostasis by delivering inhibitory signals to downregulate T cell activation and proliferation. This receptor functions by binding to the ligands CD80 (B7-1) and CD86 (B7-2), which are expressed on antigen-presenting cells (APCs). By inhibiting excessive immune responses, CTLA-4 prevents autoimmunity and maintains immune tolerance to self-antigens. CTLA-4 is the first immune checkpoint to have been targeted for immunotherapy, exemplified by the development of the monoclonal antibody ipilimumab, which blocks CTLA-4 to boost anti-tumor immune responses. Given its significance in regulating immune responses, CTLA-4 is a focus of research in fields ranging from oncology to autoimmune disorders.
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