# OC Root 2nd 3rd 4th PC Gene/Definition OC.377955 Archaea.61390 Euryarchaeota.46306 Methanobacterium.3017 mel.1025 mel:Metbo_1000 Rubredoxin-type Fe(Cys)4 protein OC.377955 Archaea.61390 Euryarchaeota.46306 Methanobacterium.3017 mcub.1150 mcub:MCBB_1188 Rubredoxin