2BOY:
reference: Crystal structure of 3-chlorocatechol 1,2-dioxygenase key enzyme of a new modified ortho-pathway from the Gram-positive Rhodococcus opacus 1CP grown on 2-chlorophenol., Ferraroni M, Kolomytseva MP, Solyanikova IP, Scozzafava A, Golovleva LA, Briganti F, J Mol Biol. 2006 Jul 21;360(4):788-99. Epub 2006 Jun 5. PMID: 16793061

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