1NO3:
reference: Soybean lipoxygenase-3 in complex with 4-nitrocatechol., Skrzypczak-Jankun E, Borbulevych OY, Jankun J, Acta Crystallogr D Biol Crystallogr 2004 Mar;60(Pt 3):613-5. Epub 2004 Feb, 25. PMID: 14993710

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