2VYC:
reference: Crystal Structure of the Acid Induced Arginine Decarboxylase from Escherichia coli: Reversible Decamer Assembly Controls Enzyme Activity., Andrell J, Hicks M, Palmer T, Carpenter E, Iwata S, Maher M, Biochemistry. 2009 Mar 19. PMID: 19298070

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