2H1D:
reference: Molecular Basis for Specificity of the Extracytoplasmic Thioredoxin ResA., Lewin A, Crow A, Oubrie A, Le Brun NE, J Biol Chem. 2006 Nov 17;281(46):35467-77. Epub 2006 Sep 13. PMID: 16971393

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