4J27:
reference: Three dimensional structure of a bacterial alpha-l-fucosidase with a 5-membered iminocyclitol inhibitor., Wright DW, Moreno-Vargas AJ, Carmona AT, Robina I, Davies GJ, Bioorg Med Chem. 2013 Aug 15;21(16):4751-4. doi: 10.1016/j.bmc.2013.05.056. Epub , 2013 Jun 13. PMID: 23830696

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