5XBW:
reference: BrlR from Pseudomonas aeruginosa is a receptor for both cyclic di-GMP and pyocyanin., Wang F, He Q, Yin J, Xu S, Hu W, Gu L, Nat Commun. 2018 Jul 2;9(1):2563. doi: 10.1038/s41467-018-05004-y. PMID: 29967320

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