3LJ5: Full Length Bacteriophage P22 Portal Protein
reference: Three-dimensional structure of a viral genome-delivery portal vertex., Olia AS, Prevelige PE Jr, Johnson JE, Cingolani G, Nat Struct Mol Biol. 2011 May;18(5):597-603. Epub 2011 Apr 17. PMID: 21499245

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