5LF3: Human 20s Proteasome Complex With Bortezomib At 2.1 Angstrom
reference: The inhibition mechanism of human 20S proteasomes enables next-generation inhibitor design., Schrader J, Henneberg F, Mata RA, Tittmann K, Schneider TR, Stark H, Bourenkov G, Chari A, Science. 2016 Aug 5;353(6299):594-8. doi: 10.1126/science.aaf8993. PMID: 27493187

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