2WEJ:
reference: Thermodynamic Optimisation in Drug Discovery: A Case Study using Carbonic Anhydrase Inhibitors., Scott AD, Phillips C, Alex A, Flocco M, Bent A, Randall A, O'Brien R, Damian L, Jones LH, ChemMedChem. 2009 Oct 30. PMID: 19882701

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