# OC Root 2nd 3rd 4th PC Gene/Definition OC.663633 Archaea.8239 Euryarchaeota.13524 Ferroplasma.1181 fac.555 fac:FACI_IFERC01G0539 hypothetical protein OC.663633 Archaea.8239 Euryarchaeota.13524 Ferroplasma.1181 fai.1358 fai:FAD_1461 hypothetical protein