6UUJ:
reference: PE5-PPE4-EspG3 heterotrimer structure from mycobacterial ESX-3 secretion system gives insight into cognate substrate recognition by ESX systems., Williamson ZA, Chaton CT, Ciocca WA, Korotkova N, Korotkov KV, J Biol Chem. 2020 Sep 4;295(36):12706-12715. doi: 10.1074/jbc.RA120.012698. Epub , 2020 Jul 16. PMID: 32675282

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