4OFM:
reference: Structure of glutathione S-transferase 1 from the major human hookworm parasite Necator americanus (Na-GST-1) in complex with glutathione., Asojo OA, Ceccarelli C, Acta Crystallogr F Struct Biol Commun. 2014 Sep;70(Pt 9):1162-6. doi:, 10.1107/S2053230X1401646X. Epub 2014 Aug 29. PMID: 25195885

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