5DGU:
reference: Design, synthesis, biological evaluation and X-ray structural studies of HIV-1 protease inhibitors containing substituted fused-tetrahydropyranyl tetrahydrofuran as P2-ligands., Ghosh AK, Martyr CD, Kassekert LA, Nyalapatla PR, Steffey M, Agniswamy J, Wang YF, Weber IT, Amano M, Mitsuya H, Org Biomol Chem. 2015 Dec 28;13(48):11607-21. doi: 10.1039/c5ob01930c. Epub 2015 , Oct 14. PMID: 26462551

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