5MIL:
reference: Pirating conserved phage mechanisms promotes promiscuous staphylococcal pathogenicity island transfer., Bowring J, Neamah MM, Donderis J, Mir-Sanchis I, Alite C, Ciges-Tomas JR, Maiques E, Medmedov I, Marina A, Penades JR, Elife. 2017 Aug 8;6. pii: e26487. doi: 10.7554/eLife.26487. PMID: 28826473

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