1WNT:
reference: Structure of the tetrameric form of human L-Xylulose reductase: probing the inhibitor-binding site with molecular modeling and site-directed mutagenesis., El-Kabbani O, Carbone V, Darmanin C, Ishikura S, Hara A, Proteins 2005 Aug 15;60(3):424-32. PMID: 15906319

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