Anti-LAG3 Antibody, clone 4-10-C9 ZooMAb^® Mouse Monoclonal

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ZooMAb^® antibodies represent an entirely new generation of recombinant monoclonal antibodies. Each ZooMAb^® antibody is manufactured using our proprietary recombinant expression system, purified to homogeneity, and precisely dispensed to produce robust and highly reproducible lot-to-lot consistency. Only top-performing clones are released for use by researchers. Each antibody is validated for high specificity and affinity across multiple applications, including its most commonly used application. ZooMAb^® antibodies are reliably available and ready to ship when you need them.

Clone 4-10-C9 is a ZooMAb^® mouse recombinant monoclonal antibody that specifically detects LAG3. It targets an epitope within D3/D4 region from the extracellular domain.

Murine LAG-3-expressing mouse T-cell hybridoma.

Quality Control Testing

Evaluated by Western Blotting with recombinant fragment corresponding to the extracellular domain of Mouse LAG3.

Western Blotting (WB) Analysis: A1:1,000 dilution of this antibody detected recombinant fragment corresponding to the extracellular domain of Mouse LAG3 fused to Fc portion of mouse IgG2a.

Tested Applications

Immunocytochemistry Analysis: A 1:1,000 dilution from a representative lot detected LAG3 in Mouse splenocytes treated with Concanavalin A (2 g/mL; 3 days).

Affinity Binding Assay:: A representative lot of this antibody bound recombinant fragment corresponding to the extracellular domain of Mouse LAG3 with a KD of 2.8 x 10-6 in an affinity binding assay.

Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user.

Lymphocyte activation gene 3 protein (UniProt: Q61790; LAG-3, Activation-induced cytidine deaminase-linked autoimmunity protein, Aida, CD223) is encoded by the Lag3 gene (Gene ID: 16768) in murine species. LAG3 is a single-pass type I membrane glycoprotein that is synthesized with a signal peptide (aa 1-23), which is subsequently cleaved off to generate the mature form that contains an extracellular domain (aa 24-442), a transmembrane domain (aa 443-463), and a cytoplasmic domain (aa 464-521). It contains three Ig-like C2-type domains and one Ig-like V-type domain. LAG3 is primarily expressed in activated CD4+ and CD8+ T-cells. Its expression is also observed in a subset of regulatory T cells. It serves as an inhibitory receptor on antigen activated T-cells and deliver inhibitory signals upon binding to ligands, such as Fibrinogen-like protein 1 (FGL1). It can negatively regulate the proliferation, activation, effector function and homeostasis of both CD8+ and CD4+ T-cells. Following

Purified recombinant mouse monoclonal antibody IgG, lyophilized in PBS with 5% Trehalose, normal appearance a coarse or translucent resin. The PBS/trehalose components in the ZooMAb formulation can have the appearance of a semi-solid (bead like gel) after lyophilization. This is a normal phenomenon. Please follow the recommended reconstitution procedure in the data sheet to dissolve the semi-solid, bead-like, gel-appearing material. The resulting antibody solution is completely stable and functional as proven by full functional testing. Contains no biocide or preservatives, such as azide, or any animal by-products. Larger pack sizes provided as multiples of 25 µL.

300 µg/mL after reconstitution at 25 µL per vial. Please refer to guidance on suggested starting dilutions and/or titers per application and sample type.

Recommend storage of lyophilized product at 2-8°C; Before reconstitution, micro-centrifuge vials briefly to spin down material to bottom of the vial; Reconstitute each vial by adding 25 µL of filtered lab grade water or PBS; Reconstituted antibodies can be stored at 2-8°C, or -20°C for long term storage. Avoid repeated freeze-thaws.

ZooMAb is a registered trademark of Merck KGaA, Darmstadt, Germany

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.