# OC Root 2nd 3rd 4th PC Gene/Definition OC.506816 Archaea.43486 Crenarchaeota.14765 Ignicoccus.931 iho.696 iho:Igni_0702 iron dependent repressor; K03709 DtxR family transcriptional regulator, Mn-dependent transcriptional regulator OC.506816 Archaea.43486 Crenarchaeota.14765 Ignicoccus.931 iis.1403 iis:EYM_07545 DtxR family iron (metal) dependent repressor; K03709 DtxR family transcriptional regulator, Mn-dependent transcriptional regulator