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Background
Lymphocyte activation gene 3 protein (LAG3) is also known as CD antigen CD223 and protein FDC, which belongs to immunoglobulin (Ig) superfamily and contains 4 extracellular Ig-like domains. The LAG3 gene contains 8 exons. The sequence data, exon/intron organization, and chromosomal localization all indicate a close relationship of LAG3 to CD4. LAG3 /CD223 involved in lymphocyte activation. LAG3 /CD223 binds to HLA class-II antigens.
Source
Recombinant Canine LAG-3, His Tag (LA3-C52H7) is expressed from human 293 cells (HEK293). It contains AA Pro 23 - Leu 440 (Accession # XP_038295087.1).
Predicted N-terminus: Pro 23
Molecular Characterization
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 46.8 kDa. The protein migrates as 55-65 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method.
Purity
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20°C to -70°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.
Bioactivity
Please refer to product data sheet.
(1) "Characterisation of the protein expression of the emerging immunotherapy targets VISTA, LAG-3 and PRAME in primary uveal melanoma: insights from a southern French patient cohort"
Lamas, Lassalle, Martel et al
Pathology (2023)
(2) "In vitro vascularized immunocompetent patient-derived model to test cancer therapies"
Lê, Deforges, Hua et al
iScience (2023) 26 (10), 108094
(3) "The PD-1- and LAG-3-targeting bispecific molecule tebotelimab in solid tumors and hematologic cancers: a phase 1 trial"
Luke, Patel, Blumenschein et al
Nat Med (2023)
Showing 1-3 of 1488 papers.
Recombinant Rat LAG3 /CD223 Protein, 100µg - 377,00 €
Recombinant Cynomolgus LAG-3 / CD223 Protein, Mouse IgG2a Fc Tag, 100µg - 533,00 €
Recombinant Human LAG-3 / CD223 Protein, Llama IgG2b Fc Tag, low endotoxin, 100 µg - 455,00 €
Recombinant Biotinylated Human LAG-3 / CD223 Protein, Mouse IgG2a Fc-tag, Avitag™, 25 µg - 455,00 €
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