| 9GAC: reference: Structural insights into the mechanism of intramolecular proteolysis., Xu Q, Buckley D, Guan C, Guo HC, Cell 1999 Sep 3;98(5):651-61. PMID: 10490104 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).