# OC Root 2nd 3rd 4th PC Gene/Definition OC.168820 Archaea.52862 Euryarchaeota.26069 Methanobacterium.4159 mel.914 mel:Metbo_0863 coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein; K00441 coenzyme F420 hydrogenase subunit beta [EC:1.12.98.1]