# OC Root 2nd 3rd 4th PC Gene/Definition OC.168820 Archaea.52862 Euryarchaeota.26069 Methanocella.3508 rci.1010 rci:RCIX1471 frhB-3; putative coenzyme F420 hydrogenase, beta subunit; K00441 coenzyme F420 hydrogenase subunit beta [EC:1.12.98.1]