4MJT:
reference: X-ray and Cryo-electron Microscopy Structures of Monalysin Pore Forming Toxin Reveals Multimerization of the Pro-Form., Leone P, Bebeacua C, Opota O, Kellenberger C, Klaholz B, Orlov I, Cambillau C, Lemaitre B, Roussel A, J Biol Chem. 2015 Apr 5. pii: jbc.M115.646109. PMID: 25847242

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