5WVK:
reference: High-resolution cryo-EM structure of the proteasome in complex with ADP-AlFx., Ding Z, Fu Z, Xu C, Wang Y, Wang Y, Li J, Kong L, Chen J, Li N, Zhang R, Cong Y, Cell Res. 2017 Mar;27(3):373-385. doi: 10.1038/cr.2017.12. Epub 2017 Jan 20. PMID: 28106073

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