Keywords: PDB 3bik EBI.png All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains antibody variable domain-like Programmed cell death protein 1 PD1 extracellular domain EBI License 3bik June 5 2009 Programmed cell death protein 1 PD1 extracellular domain Files uploaded by Nichalp's script |