1GWJ:
reference: Crystal structure of bacterial morphinone reductase and properties of the C191A mutant enzyme., Barna T, Messiha HL, Petosa C, Bruce NC, Scrutton NS, Moody PC, J Biol Chem 2002 Aug 23;277(34):30976-83. PMID: 12048188

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