5BYI:
reference: Azobenzene-based inhibitors of human carbonic anhydrase II., Runtsch LS, Barber DM, Mayer P, Groll M, Trauner D, Broichhagen J, Beilstein J Org Chem. 2015 Jul 7;11:1129-35. doi: 10.3762/bjoc.11.127., eCollection 2015. PMID: 26199669

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