4OLC:
reference: Structural Basis for Inactivation of Giardia lamblia Carbamate Kinase by Disulfiram., Galkin A, Kulakova L, Lim K, Chen CZ, Zheng W, Turko IV, Herzberg O, J Biol Chem. 2014 Feb 20. PMID: 24558036

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