| 1MIR: reference: Structure of rat procathepsin B: model for inhibition of cysteine protease activity by the proregion., Cygler M, Sivaraman J, Grochulski P, Coulombe R, Storer AC, Mort JS, Structure 1996 Apr 15;4(4):405-16. PMID: 8740363 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).