# OC Root 2nd 3rd 4th PC Gene/Definition OC.371509 Archaea.31769 Euryarchaeota.3624 Ferroplasma.1248 fac.657 fac:FACI_IFERC01G0651 hypothetical protein; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371509 Archaea.31769 Euryarchaeota.3624 Ferroplasma.1248 fai.1428 fai:FAD_1541 nrdA; intein-containing ribonucleotide-diphosphate reductase subunit alpha precursor; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1]