3AI8:
reference: Novel Mechanism of Cathepsin B Inhibition by Antibiotic Nitroxoline and Related Compounds., Mirkovic B, Renko M, Turk S, Sosic I, Jevnikar Z, Obermajer N, Turk D, Gobec S, Kos J, ChemMedChem. 2011 May 20. doi: 10.1002/cmdc.201100098. PMID: 21598397

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