2IMD:
reference: 2-Hydroxychromene-2-carboxylic Acid Isomerase: A Kappa Class Glutathione Transferase from Pseudomonas putida(,)(,)., Thompson LC, Ladner JE, Codreanu SG, Harp J, Gilliland GL, Armstrong RN, Biochemistry. 2007 Jun 12;46(23):6710-6722. Epub 2007 May 18. PMID: 17508726

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