1GSU:
reference: The three-dimensional structure of an avian class-mu glutathione S-transferase, cGSTM1-1 at 1.94 A resolution., Sun YJ, Kuan IC, Tam MF, Hsiao CD, J Mol Biol 1998 Apr 24;278(1):239-52. PMID: 9571047

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