4OMB:
reference: The Pseudomonas aeruginosa phosphate transport protein PstS plays a phosphate-independent role in biofilm formation., Neznansky A, Blus-Kadosh I, Yerushalmi G, Banin E, Opatowsky Y, FASEB J. 2014 Dec;28(12):5223-33. doi: 10.1096/fj.14-258293. Epub 2014 Sep 15. PMID: 25223609

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