| 2QD7: reference: Potent new antiviral compound shows similar inhibition and structural interactions with drug resistant mutants and wild type HIV-1 protease., Wang YF, Tie Y, Boross PI, Tozser J, Ghosh AK, Harrison RW, Weber IT, J Med Chem. 2007 Sep 6;50(18):4509-15. Epub 2007 Aug 16. PMID: 17696515 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).