3GH6:
reference: Structural evidence for conformational changes of Delta class glutathione transferases after ligand binding., Wongsantichon J, Robinson RC, Ketterman AJ, Arch Biochem Biophys. 2012 May;521(1-2):77-83. doi: 10.1016/j.abb.2012.03.023., Epub 2012 Mar 27. PMID: 22475449

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