1MNU:
reference: Bactericidal antibody recognition of meningococcal PorA by induced fit. Comparison of liganded and unliganded Fab structures., van den Elsen J, Vandeputte-Rutten L, Kroon J, Gros P, J Biol Chem 1999 Jan 15;274(3):1495-501. PMID: 9880525

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