

| Каталожный номер | HB613237 |
|---|---|
| Реактивность видов | Human |
| Применения | FCM |
| Хозяинский вид | Human |
| Клоональность | Monoclonal |
| Изотип | IgG4, kappa |
| ID клона | SAA0073 |
| Конъюгация | APC |
| Цель | CD223, FDC, LAG-3, LAG3, Lymphocyte activation gene 3 protein, Secreted lymphocyte activation gene 3 protein, sLAG-3 |
| Уровень эндотоксинов | Please contact with the lab for this information. |
| Чистота | >90% as determined by SDS-PAGE. |
| Связанные продукты | Human IgG4 (S228P) Recombinant Isotype Control Antibody (13R4), APC |
| Номер доступа | P18627 |
| Форма | Liquid |
| Буфер хранения | 0.01M PBS, pH 7.4, 50% glycerol, 0.05% Proclin 300. Пожалуйста, обратитесь к конкретной информации о буфере в печатной версии даташита или в индивидуальном сертификате качества (COA) для партии. |
| Устойчивость и хранение | Store at 4°C for 12 months. Protect from light. Do not freeze. |
| Фон | Lymphocyte activation gene 3 protein (CD223/LAG3) is a ~57 kDa protein. Inhibitory receptor on antigen activated T-cells. Delivers inhibitory signals upon binding to ligands, such as MHC class II, its main ligand present at the surface of antigen-presenting cells (APCs), and FGL1, which is secreted by hepatocytes and certain types of tumor cells. Ligand-binding initiates a signaling that inhibits the T-cell receptor (TCR) in the immunological synapse, preventing T-cell activation. Mechanistically, ligand-binding promotes (1) ubiquitination of the KIEELE motif, unleashing the RRFSALE motif from the membrane and (2) leading to the formation of condensates with the TCR component CD3E, thereby disrupting the association between CD3E and LCK and preventing TCR activation. May inhibit antigen-specific T-cell activation in synergy with PDCD1/PD-1. CD223 is the therapeutic target of relatlimab (Opdualag). 1. Camisaschi, C. et al. (2010) Journal of immunology (Baltimore, Md. : 1950) 184, 6545-51. PMID: 20421648 2. Ming, Q. et al. (2022) Nature immunology 23, 1031-1041. PMID: 35761082 3. Huard, B. et al. (1994) European journal of immunology 24, 3216-21. PMID: 7805750 4. Huard, B. et al. (1996) European journal of immunology 26, 1180-6. PMID: 8647185 5. Wang, J. et al. (2019) Cell 176, 334-347.e12. PMID: 30580966 6. MacLachlan, BJ. et al. (2021) European journal of immunology 51, 331-341. PMID: 32920841 7. Petersen, J. et al. (2024) Science immunology 9, eads5122. PMID: 39671469 8. Huard, B. et al. (1995) European journal of immunology 25, 2718-21. PMID: 7589152 10. Jiang, Y. et al. (2025) Cell 188, 2354-2371.e18. PMID: 40101708 |
| Примечание | For flow cytometric staining, the suggested use of this reagent is 0.5 µg per million cells in 100 µL volume. It is recommended that the reagent be titrated for optimal performance for each application. For research use only. |




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