4YGF:
reference: Structural Basis for the Inhibition of Helicobacter pylori alpha-Carbonic Anhydrase by Sulfonamides., Modakh JK, Liu YC, Machuca MA, Supuran CT, Roujeinikova A, PLoS One. 2015 May 26;10(5):e0127149. doi: 10.1371/journal.pone.0127149., eCollection 2015. PMID: 26010545

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