1GVO:
reference: Kinetic and structural basis of reactivity of pentaerythritol tetranitrate reductase with NADPH, 2-cyclohexenone, nitroesters, and nitroaromatic explosives., Khan H, Harris RJ, Barna T, Craig DH, Bruce NC, Munro AW, Moody PC, Scrutton NS, J Biol Chem 2002 Jun 14;277(24):21906-12. Epub 2002 Mar 28. PMID: 11923299

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