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The purity of Human CD27 Ligand, His,Flag Tag (active trimer) (MALS verified) (Cat. No. CDL-H52Da) is more than 95% in HP-SEC, and around 55-70 kDa verified by SEC-MALS.

Biotinylated Human PD-1 / PDCD1 Protein, Avitag™,His Tag (recommended for biopanning) (MALS verified)（Cat. No. PD1-H82E4）

PD-1&PD-L1通路

Immobilized Human PD-1, His Tag (Cat. No. PD1-H5221 ) at 2 μg/mL (100 μL/well) can bind Nivolumab with a linear range of 0.1-3 ng/mL.

PD-1&PD-L1通路

Serial dilutions of nivolumab were added into Human PD-1, Fc Tag, low endotoxin (Cat. No. PD1-H5257): Biotinylated Human PD-L1, Fc, Avitag, His Tag (Cat. No. PD1-H82F3) binding reactions. The half maximal inhibitory concentration (IC50) is 0.5381 μg/mL (Routinely tested).

LAG-3通路

Loaded Anti-LAG-3 MAb (Human IgG1) on AHC Biosensor, can bind Human LAG-3, His Tag (Cat. No. LA3-H5222) with an affinity constant of 7.47 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

LAG-3通路

Anti-LAG-3 MAb (Human IgG1) captured on CM5 chip via Anti-Human IgG Fc antibodies surface, can bind Human LAG-3, His Tag (Cat. No. LA3-H5222) with an affinity constant of 4.57 nM as determined in a SPR assay (Biacore T200) (Routinely tested).

TIGIT通路

Serial dilutions of Human TIGIT Neutralizing antibody were added into Human TIGIT, Fc Tag (Cat. No. TIT-H5254): Biotinylated Human CD155, Fc,Avitag (Cat. No. CD5-H82F6 ) binding reactions. The half maximal inhibitory concentration (IC50) is 0.55834 μg/mL (Routinely tested).

CD47&SIPR α通路（细胞水平验证）

FACS analysis shows that the binding of Human CD47 to ACHN expressing SIRP-a was inhibited by increasing concentration of neutralizing SIRP-a antibody. The concentration of Human CD47 used is 20 μg/mL. IC50=9.334 μg/mL

2. 细胞功能验证

4-1BB通路

Human 4-1BB Ligand (71-254), Fc Tag, active trimer (Cat. No. 41L-H5265) induce IL-8 secretion in HT1080 human CD137 cell line. The EC50 for this effect is 0.079 μg/mL (Routinely tested).

3 药代动力学分析-PK分析

CTLA-4通路

Immobilized Human CTLA-4, His Tag, active dimer (Cat. No.CT4-H52H9) at 2 μg/mL, add increasing concentrations of CTLA-4 x OX40 Bispecific Antibody in 50% Human serum and then add Biotinylated Human OX40, Avitag,His Tag(Cat. No. TN4-H82E4) at 1 μg/mL. Detection was performed using HRP-conjugated streptavidin with sensitivity of 4 ng/mL (Intact assay, Routinely tested).