# OC Root 2nd 3rd 4th PC Gene/Definition OC.502346 Archaea.25485 Euryarchaeota.28220 Methanosaeta.537 mtp.1511 mtp:Mthe_1584 NADPH-dependent FMN reductase OC.502346 Archaea.25485 Euryarchaeota.28220 Methanosaeta.537 mcj.1625 mcj:MCON_2102 isfC; iron sulfur flavoprotein OC.502346 Archaea.25485 Euryarchaeota.28220 Methanosaeta.537 mhi.796 mhi:Mhar_0794 Iron sulfur flavoprotein