6HWZ:
reference: Selenols: a new class of carbonic anhydrase inhibitors., Angeli A, Tanini D, Nocentini A, Capperucci A, Ferraroni M, Gratteri P, Supuran CT, Chem Commun (Camb). 2018 Dec 18. doi: 10.1039/c8cc08562e. PMID: 30560259

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