2PIA:
reference: Phthalate dioxygenase reductase: a modular structure for electron transfer from pyridine nucleotides to [2Fe-2S]., Correll CC, Batie CJ, Ballou DP, Ludwig ML, Science 1992 Dec 4;258(5088):1604-10. PMID: 1280857

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