2GSR:
reference: Refined crystal structure of porcine class Pi glutathione S-transferase (pGST P1-1) at 2.1 A resolution., Dirr H, Reinemer P, Huber R, J Mol Biol 1994 Oct 14;243(1):72-92. PMID: 7932743

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