2MHJ:
reference: Structure-function analysis reveals that the Pseudomonas aeruginosa Tps4 two-partner secretion system is involved in CupB5 translocation., Garnett JA, Muhl D, Douse CH, Hui K, Busch A, Omisore A, Yang Y, Simpson P, Marchant J, Waksman G, Matthews S, Filloux A, Protein Sci. 2015 May;24(5):670-87. doi: 10.1002/pro.2640. Epub 2015 Feb 24. PMID: 25641651

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