5G1Q:
reference: Open and compressed conformations of Francisella tularensis ClpP., Diaz-Saez L, Pankov G, Hunter WN, Proteins. 2017 Jan;85(1):188-194. doi: 10.1002/prot.25197. Epub 2016 Nov 20. PMID: 27802578

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