5IQO:
reference: Accelerating the Association of the Most Stable Protein-Ligand Complex by more than Two Orders of Magnitude., Giese C, Eras J, Kern A, Scharer MA, Capitani G, Glockshuber R, Angew Chem Int Ed Engl. 2016 Jun 28. doi: 10.1002/anie.201603652. PMID: 27351462

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