PD-1 Ligand Inhibitor

**Semantic type:** Chemical Viewed Functionally

**Definition:** Any agent that binds to any of the ligands for the receptor programmed cell death protein 1 (PD-1; PD1); programmed death ligand 1 (PD-L1; CD274) and 2 (PD-L2; CD273).

**Synonyms:** - PD-1 Ligand-targeting Agent - PD-1 Ligands Inhibitor