1OK5:
reference: An unprecedented catalytic motif revealed in the model structure of amide hydrolyzing antibody 312d6., Benedetti F, Berti F, Brady K, Colombatti A, Pauletto A, Pucillo C, Thomas NR, Chembiochem 2004 Jan 3;5(1):129-31. PMID: 14695523

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