1EIX:
reference: Structural basis for the catalytic mechanism of a proficient enzyme: orotidine 5'-monophosphate decarboxylase., Harris P, Navarro Poulsen JC, Jensen KF, Larsen S, Biochemistry 2000 Apr 18;39(15):4217-24. PMID: 10757968

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