2WMP:
reference: Structure of the PapD-PapGII pilin complex reveals an open and flexible P5 pocket., Ford B, Verger D, Dodson K, Volkan E, Kostakioti M, Elam J, Pinkner J, Waksman G, Hultgren S, J Bacteriol. 2012 Sep 21. PMID: 23002225

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