5XQL:
reference: Crystal structure of BrlR with c-di-GMP., Raju H, Sharma R, Biochem Biophys Res Commun. 2017 Aug 19;490(2):260-264. doi:, 10.1016/j.bbrc.2017.06.033. Epub 2017 Jun 12. PMID: 28619510

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