| 5Y3Z: reference: The Helix Rearrangement in the Periplasmic Domain of the Flagellar Stator B Subunit Activates Peptidoglycan Binding and Ion Influx., Kojima S, Takao M, Almira G, Kawahara I, Sakuma M, Homma M, Kojima C, Imada K, Structure. 2018 Apr 3;26(4):590-598.e5. doi: 10.1016/j.str.2018.02.016. Epub 2018, Mar 22. PMID: 29576320 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).