5A31: Structure Of The Human Apc-Cdh1-Hsl1-Ubch10 Complex.
reference: Atomic structure of the APC/C and its mechanism of protein ubiquitination., Chang L, Zhang Z, Yang J, McLaughlin SH, Barford D, Nature. 2015 Jun 25;522(7557):450-4. doi: 10.1038/nature14471. Epub 2015 Jun 15. PMID: 26083744

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