Sugemalimab (Anti-B7-H1 / PD-L1 / CD274) is a fully human anti-programmed death ligand 1 (PD-L1) immunoglobulin G4 (IgG4) monoclonal antibody (mAb). Sugemalimab shows anticancer activities and can be used for non-small-cell lung cancer research. MW: 143.36 kD.