# OC Root 2nd 3rd 4th PC Gene/Definition OC.567707 Archaea.51164 Euryarchaeota.15761 Methanosaeta.590 mcj.1710 mcj:MCON_2263 Domain of unknown function (DUF296); K06934 uncharacterized protein OC.567707 Archaea.51164 Euryarchaeota.15761 Methanosaeta.590 mhi.1564 mhi:Mhar_1643 hypothetical protein; K06934 uncharacterized protein