3J9Q:
reference: Atomic structures of a bactericidal contractile nanotube in its pre- and postcontraction states., Ge P, Scholl D, Leiman PG, Yu X, Miller JF, Zhou ZH, Nat Struct Mol Biol. 2015 Mar 30. doi: 10.1038/nsmb.2995. PMID: 25822993

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