1SVZ:
reference: Crystal structure of a cross-reaction complex between an anti-HIV-1 protease antibody and an HIV-2 protease peptide., Rezacova P, Brynda J, Lescar J, Fabry M, Horejsi M, Sieglova I, Sedlacek J, Bentley GA, J Struct Biol 2005 Mar;149(3):332-7. PMID: 15721587

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