# OC Root 2nd 3rd 4th PC Gene/Definition OC.570460 Archaea.28870 Euryarchaeota.32628 Methanosaeta.2345 mcj.1772 mcj:MCON_2376 protein of unknown function (DUF1722)/(DUF523) fusion OC.570460 Archaea.28870 Euryarchaeota.32628 Methanosaeta.3164 mhi.1582 mhi:Mhar_1666 hypothetical protein