1ZDP:
reference: Thiorphan and retro-thiorphan display equivalent interactions when bound to crystalline thermolysin., Roderick SL, Fournie-Zaluski MC, Roques BP, Matthews BW, Biochemistry 1989 Feb 21;28(4):1493-7. PMID: 2719912

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