低内毒素重组蛋白——从源头把控品质，赋能高质量药物发现与开发

Human PD-L1 Protein, His Tag (Cat. No. PD1-H5223) 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).

The purity of Human 4-1BB Protein, His Tag (Cat. No. 41B-H52H3) is more than 90% and the molecular weight of this protein is around 28-38 kDa verified by SEC-MALS.

Immobilized Human CD40 Protein, His Tag (Cat. No. CD0-H52H4) at 1 μg/mL (100 μL/well) can bind Human CD40 Ligand Protein, Fc Tag, premium grade (Cat. No. CDL-H5269) with a linear range of 0.2-3 ng/mL (QC tested).

Immobilized Cynomolgus IL-11 Protein, His Tag (Cat. No. IL1-C5244) at 5 μg/mL (100 μL/well) can bind Human IL-11 R alpha, Fc Tag (Cat. No. ILR-H5256) with a linear range of 20-156 ng/mL (QC tested).

Anti-Human Integrin α 4 β 7 MAb, Human IgG1 captured on Protein A Chip can bind Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT7-H52W3) with an affinity constant of 3.46 nM as determined in a SPR assay (Biacore T200) (QC tested).

Loaded Human PD-1 Protein, Fc Tag (Cat. No. PD1-H5257) on Protein A Biosensor, can bind Human PD-L1 Protein, His Tag (Cat. No. PD1-H5223) with an affinity constant of 3.4 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).