5O8B:
reference: Chromophore twisting in the excited state of a photoswitchable fluorescent protein captured by time-resolved serial femtosecond crystallography., Coquelle N, Sliwa M, Woodhouse J, Schiro G, Adam V, Aquila A, Barends TRM, Boutet S, Byrdin M, Carbajo S, De la Mora E, Doak RB, Feliks M, Fieschi F, Foucar L, Guillon V, Hilpert M, Hunter MS, Jakobs S, Koglin JE, Kovacsova G, Lane TJ, Levy B, Liang M, Nass K, Ridard J, Robinson JS, Roome CM, Ruckebusch C, Seaberg M, Thepaut M, Cammarata M, Demachy I, Field M, Shoeman RL, Bourgeois D, Colletier JP, Schlichting I, Weik M, Nat Chem. 2018 Jan;10(1):31-37. doi: 10.1038/nchem.2853. Epub 2017 Sep 11. PMID: 29256511

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