# OC Root 2nd 3rd 4th PC Gene/Definition OC.335202 Archaea.14770 Euryarchaeota.12656 - fpl.626 fpl:Ferp_0647 4Fe-4S ferredoxin iron-sulfur binding domain protein OC.335202 Archaea.14770 Euryarchaeota.12656 - fpl.1208 fpl:Ferp_1268 4Fe-4S ferredoxin iron-sulfur binding domain protein OC.335202 Archaea.14770 Euryarchaeota.12656 - fpl.1373 fpl:Ferp_1438 4Fe-4S ferredoxin iron-sulfur binding domain protein OC.335202 Archaea.14770 Euryarchaeota.12656 Geoglobus.61 gac.106 gac:GACE_0101 4Fe-4S ferredoxin iron-sulfur binding domain protein OC.335202 Archaea.14770 Euryarchaeota.12656 Geoglobus.61 gah.278 gah:GAH_00284 tetrathionate reductase beta subunit OC.335202 Archaea.14770 Euryarchaeota.12656 Geoglobus.2474 gah.1226 gah:GAH_01295 Fe-S-cluster-containing hydrogenase components 1