| 3IR8: reference: Excited State Proton Transfer in the Red Fluorescent Protein mKeima., Henderson JN, Osborn MF, Koon N, Gepshtein R, Huppert D, Remington SJ, J Am Chem Soc. 2009 Aug 26. PMID: 19708654 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).