Determined by SDS-PAGE, the purity of the protein is greater than 95%.

Determined by SEC-HPLC, the purity of the protein is greater than 95%.

13.ELISA

When Recombinant Human CD4/His Protein is immobilized at 2μg/mL (100 μL/well), the concentration of Recombinant Anti-Human CD4 (Ibalizumab) that produces 50% of the optimal binding response is approximately 70 ng/ml.

Recombinant Anti-Human CD4 (Ibalizumab)（Cat.No.B554401）captured on Protein A chip , can bind Recombinant Human CD4/His Protein（Cat.No.B21656903）with a KD constant of 2.42E-11 M, determined in a SPR assay .