| 3PCD: reference: The axial tyrosinate Fe3+ ligand in protocatechuate 3,4-dioxygenase influences substrate binding and product release: evidence for new reaction cycle intermediates., Frazee RW, Orville AM, Dolbeare KB, Yu H, Ohlendorf DH, Lipscomb JD, Biochemistry 1998 Feb 24;37(8):2131-44. PMID: 9485360 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).