# OC Root 2nd 3rd 4th PC Gene/Definition OC.66193 Archaea.27138 Euryarchaeota.30356 Pyrococcus.6665 pya.1304 pya:PYCH_13480 ABC-type iron(III)-siderophore transport system, ATPase component; K02013 iron complex transport system ATP-binding protein [EC:3.6.3.34]