State Key Laboratory of Toxicology and Medical Countermeasures;
Beijing Institute of Pharmacology and Toxicology;
Beijing 100850;
China;
Joint National Laboratory for Antibody Drug Engineering;
The First Affiliated Hospital;
School of Medicine;
Henan University;
Kaifeng 475004;
China;
School of Life Science and Biopharmaceutics;
Shenyang Pharmaceutical University;
Shenyang 110016;
China;
School of Basic Medicine and Clinical Pharmacy;
China Pharmaceutical University;
Nanjing 210009;
China;
Decoy PD-1; PD-L1; Mammalian cell library; Epitope-oriented;