1BPI:
reference: Structure of bovine pancreatic trypsin inhibitor at 125 K definition of carboxyl-terminal residues Gly57 and Ala58., Parkin S, Rupp B, Hope H, Acta Crystallogr D Biol Crystallogr. 1996 Jan 1;52(Pt 1):18-29. PMID: 15299722

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).