5KNE:
reference: Spiral architecture of the Hsp104 disaggregase reveals the basis for polypeptide translocation., Yokom AL, Gates SN, Jackrel ME, Mack KL, Su M, Shorter J, Southworth DR, Nat Struct Mol Biol. 2016 Aug 1. doi: 10.1038/nsmb.3277. PMID: 27478928

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