3NJE:
reference: Structure of the minor pseudopilin XcpW from the Pseudomonas aeruginosa type II secretion system., Franz LP, Douzi B, Durand E, Dyer DH, Voulhoux R, Forest KT, Acta Crystallogr D Biol Crystallogr. 2011 Feb;67(Pt 2):124-30. Epub 2011, Jan 15. PMID: 21245534

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