# OC Root 2nd 3rd 4th PC Gene/Definition OC.152721 Archaea.43305 Crenarchaeota.14510 Ignicoccus.210 iho.1205 iho:Igni_1219 FeS assembly ATPase SufC; K09013 Fe-S cluster assembly ATP-binding protein OC.152721 Archaea.43305 Crenarchaeota.14510 Ignicoccus.210 iis.462 iis:EYM_02445 iron ABC transporter ATP-binding protein; K09013 Fe-S cluster assembly ATP-binding protein