5W10:
reference: Structural and Enzymatic Characterization of a cAMP-Dependent Diguanylate Cyclase from Pathogenic Leptospira Species., da Costa Vasconcelos FN, Maciel NK, Favaro DC, de Oliveira LC, Barbosa AS, Salinas RK, de Souza RF, Farah CS, Guzzo CR, J Mol Biol. 2017 Jul 21;429(15):2337-2352. doi: 10.1016/j.jmb.2017.06.002. Epub, 2017 Jun 7. PMID: 28601495

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