# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.247601 Archaea.62454 Euryarchaeota.47394 Methanobrevibacter.422 - msi.1697 msi:Msm_1733 rubrerythrin OC.247601 Archaea.62454 Euryarchaeota.47394 Methanobrevibacter.422 Methanobrevibacter_sp_.1313 meb.1235 meb:Abm4_1314 rubrerythrin