# OC Root 2nd 3rd 4th PC Gene/Definition OC.1187453 Archaea.28410 Euryarchaeota.32006 Methanoregula.1077 mbn.448 mbn:Mboo_0400 protein of unknown function UPF0150 OC.1187453 Archaea.28410 Euryarchaeota.32006 Methanoregula.1077 mfo.2180 mfo:Metfor_2367 hypothetical protein