1.14.12.22 Iron ferredoxin component contains two Rieske [2Fe-2S] clusters 710576 1.14.12.22 Iron subunit CarAc, one Rieske type [2Fe-2S] cluster per monomer protein. The iron and sulfur contents of His-tagged CarAc are 1.7 to 1.9 and 1.3 to 1.6 mol/mol of protein, respectively 707219 1.14.12.22 Iron subunit CarAd, one Rieske type [2Fe-2S] cluster per monomer protein. The iron and sulfur contents of His-tagged CarAc are 1.8 to 2.0 and 1.8 to 1.9 mol/mol of protein, respectively 707219 1.14.12.22 Iron terminal oxygenase subunit contains one Rieske type [2Fe2S] cluster and one mononuclear iron center in each monomer 707219