| 2HQK: reference: Directed evolution of a monomeric, bright and photostable version of Clavularia cyan fluorescent protein: structural characterization and applications in fluorescence imaging., Ai HW, Henderson JN, Remington SJ, Campbell RE, Biochem J. 2006 Dec 15;400(3):531-40. PMID: 16859491 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).