5DHK:
reference: Mechanism-Based Post-Translational Modification and Inactivation in Terpene Synthases., Kersten RD, Diedrich JK, Yates JR 3rd, Noel JP, ACS Chem Biol. 2015 Sep 17. PMID: 26378620

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