1TMX:
reference: Crystal structure of the hydroxyquinol 1,2-dioxygenase from Nocardioides simplex 3E, a key enzyme involved in polychlorinated aromatics biodegradation., Ferraroni M, Seifert J, Travkin VM, Thiel M, Kaschabek S, Scozzafava A, Golovleva L, Schlomann M, Briganti F, J Biol Chem 2005 Jun 3;280(22):21144-54. Epub 2005 Mar 16. PMID: 15772073

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