3QZC:
reference: Structure of the periplasmic stress response protein CpxP., Thede GL, Arthur DC, Edwards RA, Buelow DR, Wong JL, Raivio TL, Glover JN, J Bacteriol. 2011 Feb 11. PMID: 21317318

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