# OC Root 2nd 3rd 4th PC Gene/Definition OC.659463 Archaea.51217 Euryarchaeota.16192 Methanoregula.71 mbn.1124 mbn:Mboo_1133 MTH865-like protein OC.659463 Archaea.51217 Euryarchaeota.16192 Methanoregula.71 mfo.2548 mfo:Metfor_2781 hypothetical protein