5MZ6:
reference: Cryo-EM structure of a metazoan separase-securin complex at near-atomic resolution., Boland A, Martin TG, Zhang Z, Yang J, Bai XC, Chang L, Scheres SH, Barford D, Nat Struct Mol Biol. 2017 Mar 6. doi: 10.1038/nsmb.3386. PMID: 28263324

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