6PJM:
reference: Structural Analysis of Potent Hybrid HIV-1 Protease Inhibitors Containing Bis-Tetrahydrofuran in a Pseudo-Symmetric Dipeptide Isostere., Rusere LN, Lockbaum GJ, Henes M, Lee SK, Spielvogel E, Rao DN, Kosovrasti K, Nalivaika EA, Swanstrom R, Kurt Yilmaz N, Schiffer CA, Ali A, J Med Chem. 2020 Jul 16. doi: 10.1021/acs.jmedchem.0c00529. PMID: 32672965

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