4PK1:
reference: Crystal Structure of BamB Bound to a Periplasmic Domain Fragment of BamA, the Central Component of the beta-Barrel Assembly Machine., Jansen KB, Baker SL, Sousa MC, J Biol Chem. 2014 Dec 2. pii: jbc.M114.584524. PMID: 25468906

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