1FE2:
reference: Mutational and X-ray crystallographic analysis of the interaction of dihomo-gamma -linolenic acid with prostaglandin endoperoxide H synthases., Thuresson ED, Malkowski MG, Lakkides KM, Rieke CJ, Mulichak AM, Ginell SL, Garavito RM, Smith WL, J Biol Chem 2001 Mar 30;276(13):10358-65. PMID: 11121413

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