1CG2:
reference: Crystal structure of carboxypeptidase G2, a bacterial enzyme with applications in cancer therapy., Rowsell S, Pauptit RA, Tucker AD, Melton RG, Blow DM, Brick P, Structure 1997 Mar 15;5(3):337-47. PMID: 9083113

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