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分子别名（Synonym）
LAG3,CD223,FDC
表达区间及表达系统（Source）
Mouse LAG-3, His Tag (LA3-M52H5) is expressed from human 293 cells (HEK293). It contains AA Gly 24 - Leu 442 (Accession # Q61790).
Predicted N-terminus: Gly 24
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 47.1 kDa. The protein migrates as 55-65 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（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.
存储（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.
产品数据图
电泳（SDS-PAGE）
Mouse LAG-3, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Mouse LAG-3, His Tag (Cat. No. LA3-M52H5) is more than 90% and the molecular weight of this protein is around 90-115 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Mouse LAG-3, His Tag (Cat. No. LA3-M52H5) at 5 μg/mL (100 μL/well) can bind Mouse FGL1, Fc Tag (Cat. No. FG1-M5258) with a linear range of 0.02-0.625 μg/mL (QC tested).
Protocol
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背景
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.
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