1GVW:
reference: Five atomic resolution structures of endothiapepsin inhibitor complexes: implications for the aspartic proteinase mechanism., Coates L, Erskine PT, Crump MP, Wood SP, Cooper JB, J Mol Biol 2002 May 17;318(5):1405-15. PMID: 12083527

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