| 3LQ0: reference: Proenzyme structure and activation of astacin metallopeptidase., Guevara T, Yiallouros I, Kappelhoff R, Bissdorf S, Stoecker W, Gomis-Ruth FX, J Biol Chem. 2010 Mar 4. PMID: 20202938 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).