Human PD-L1 inhibitor IV, a polypeptide, is a competitive human PD-1 protein inhibitor with a Kd value of 1.38 μM. Human PD-L1 inhibitor IV inhibits the interaction of hPD-1/hPD-L1[1].
[1]. Qiao Li, et al. Discovery of peptide inhibitors targeting human programmed death 1 (PD-1) receptor. Oncotarget. 2016 Oct 4;7(40):64967-64976.
















