4J8A:
reference: Different Photochemical Events of a Genetically Encoded Phenyl Azide Define and Modulate GFP Fluorescence., Reddington SC, Rizkallah PJ, Watson PD, Pearson R, Tippmann EM, Jones DD, Angew Chem Int Ed Engl. 2013 Apr 25. doi: 10.1002/anie.201301490. PMID: 23620472

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).