2P5Z:
reference: Type VI secretion apparatus and phage tail-associated protein complexes share a common evolutionary origin., Leiman PG, Basler M, Ramagopal UA, Bonanno JB, Sauder JM, Pukatzki S, Burley SK, Almo SC, Mekalanos JJ, Proc Natl Acad Sci U S A. 2009 Mar 17;106(11):4154-9. Epub 2009 Feb 27. PMID: 19251641

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