2R14:
reference: Mutagenesis of morphinone reductase induces multiple reactive configurations and identifies potential ambiguity in kinetic analysis of enzyme tunneling mechanisms., Pudney CR, Hay S, Pang J, Costello C, Leys D, Sutcliffe MJ, Scrutton NS, J Am Chem Soc. 2007 Nov 14;129(45):13949-56. Epub 2007 Oct 16. PMID: 17939663

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