2YFI:
reference: Retuning Rieske-type Oxygenases to Expand Substrate Range., Mohammadi M, Viger JF, Kumar P, Barriault D, Bolin JT, Sylvestre M, J Biol Chem. 2011 Aug 5;286(31):27612-21. Epub 2011 Jun 8. PMID: 21653696

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