7HVP:
reference: X-ray crystallographic structure of a complex between a synthetic protease of human immunodeficiency virus 1 and a substrate-based hydroxyethylamine inhibitor., Swain AL, Miller MM, Green J, Rich DH, Schneider J, Kent SB, Wlodawer A, Proc Natl Acad Sci U S A. 1990 Nov;87(22):8805-9. PMID: 2247451

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