1POJ:
reference: X-ray structure of isoaspartyl dipeptidase from E.coli: a dinuclear zinc peptidase evolved from amidohydrolases., Jozic D, Kaiser JT, Huber R, Bode W, Maskos K, J Mol Biol 2003 Sep 5;332(1):243-56. PMID: 12946361

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