LAG-3 Rabbit Monoclonal Antibody(ARB980)
CAT.NO. : ARB6772
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Background
Immunocyte activation gene 3 (LAG-3, CD223) is an immune checkpoint control protein that negatively regulates T cells and immune responses. A CD4-like member of the Ig superfamily, LAG3 contains an extracellular IgV and three IgC domains, a transmembrane domain, and a short cytoplasmic region. LAG3 is primarily expressed by activated CD4+ T cells, CD8+ T cells, Tregs and NK cells, where it’s activated by MHC Class II molecules, its only known ligand. While it was initially shown to activate Treg cells, LAG3 can also inhibit CD8+ T cells. LAG3 is often co-expressed with PD-1 on the surface of tumor infiltrating lymphocytes, where the two proteins act independently to contribute to tumor-mediated immune suppression. Blockade of LAG3 is a promising strategy for neoplastic intervention.
Application
Application |
Dilution Ratio |
IHC |
1:100 - 1:200 |
Overview
Predicted Molecular Wt |
57kDa |
Species Cross-reactivity |
Human |
Applications |
IHC-P |
Purity |
ProA affinity purified IgG |
Form |
Liquid |
Swissprot ID |
P18627 |
Subcellular location |
Membrane |
Recommended method |
Heat induced epitope retrieval with Tris-EDTA buffer (pH 9.0), primary antibody incubate at RT (18°C-25°C) for 30 minutes |
Immunogen |
Synthetic peptide within Human LAG-3 |
Storage Buffer |
PBS 59%, Sodium azide 0.01%, Glycerol 40%, BSA 0.05% |
Data

Immunohistochemical staining of human lymphoma tissue using LAG-3 Rabbit Monoclonal Antibody (ARB980)
Storage
Store at -20°C. Stable for one year from the date of shipment.
Research Use Only
For Research Use Only. Not for use in diagnostic procedures.
