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Catalog Number | orb639781 |
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Category | Antibodies |
Description | LAG-3 (also called CD223) is a high affinity MHC class II ligand present on the surface of CD4+CD8+ T cells and NK cell, with shared homology in structure to CD4 molecules. It has a glutamic acid-proline (EP) repetitive sequence found in other functionally distinct mammalian, parasitic, and bacterial proteins that may influence a conserved biological function. LAG-3+CD4+CD8+ T cells can associate with the T cell receptor (TCR) and downregulate TCR signaling in vitro. LAG-3 inhibits CD4-dependent T cell function via its cytoplasmic domain. LAG-3 Lys-468 within a conserved 'KIEELE' motif is essential for interaction with downstream signaling molecules. Furthermore, as a checkpoint inhibitor target, it may be superior to CTLA-4 and PD-1 since both antibodies only activate effector T-cells, whereas an antagonist LAG-3 antibody can both activate T effector cells (by downregulating the LAG-3 inhibiting signal into pre-activated LAG-3+ cells) and inhibit induced (i.e. antigen-specific) Treg suppressive activity. |
Species/Host | Mouse |
Clonality | Monoclonal |
Clone Number | LAG3/3261 |
Tested applications | ELISA, IHC-P |
Reactivity | Human |
Isotype | Mouse IgG2a, kappa |
Immunogen | A recombinant full-length human LAG3 protein was used as the immunogen for this LAG3 antibody. |
Dilution range | ELISA (order BSA-free format for coating),Immunohistochemistry (FFPE): 1-2ug/ml |
Purity | Protein G affinity chromatography |
Conjugation | Unconjugated |
Formula | 0.2 mg/ml with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide |
Hazard Information | This LAG3 antibody is available for research use only. |
UniProt ID | P18627 |
Storage | Store the LAG3 antibody at 2-8°C (with azide) or aliquot and store at -20°C or colder (without azide). |
Buffer/Preservatives | 0.2 mg/ml with 0.1 mg/ml rAlbumin (US sourced), 0.05% sodium azide |
Note | For research use only |
Application notes | Optimal dilution of the antibody should be determined by the researcher. |
Expiration Date | 12 months from date of receipt. |
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