| 3GJ2: reference: Structure and Mechanism of the Photoactivatable Green Fluorescent Protein., Henderson JN, Gepshtein R, Heenan JR, Kallio K, Huppert D, Remington SJ, J Am Chem Soc. 2009 Mar 11. PMID: 19278226 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).