| 1IRU: reference: The structure of the mammalian 20S proteasome at 2.75 A resolution., Unno M, Mizushima T, Morimoto Y, Tomisugi Y, Tanaka K, Yasuoka N, Tsukihara T, Structure (Camb) 2002 May;10(5):609-18. PMID: 12015144 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).