1VM9:
reference: Structure of T4moC, the Rieske-type ferredoxin component of toluene 4-monooxygenase., Moe LA, Bingman CA, Wesenberg GE, Phillips GN Jr, Fox BG, Acta Crystallogr D Biol Crystallogr. 2006 May;62(Pt 5):476-82. Epub 2006, Apr 19. PMID: 16627939

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