5O16:
reference: Insights into the dual Activity of a Bifunctional Dehydratase-Cyclase Domain., Sung KH, Berkhan G, Hollmann T, Wagner L, Blankenfeldt W, Hahn F, Angew Chem Int Ed Engl. 2017 Oct 30. doi: 10.1002/anie.201707774. PMID: 29084363

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