3BJX:
reference: The Crystal Structure of DehI Reveals a New alpha-Haloacid Dehalogenase Fold and Active-Site Mechanism., Schmidberger JW, Wilce JA, Weightman AJ, Whisstock JC, Wilce MC, J Mol Biol. 2008 Feb 29;. PMID: 18353360

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