# OC Root	2nd	3rd	PC	Gene/Definition
OC.336220	Archaea.42145	Crenarchaeota.13008	pfm.305	pfm:Pyrfu_0271   nickel-dependent hydrogenase large subunit; K14126 F420-non-reducing hydrogenase large subunit [EC:1.12.99.- 1.8.98.5]
OC.336220	Archaea.42145	Crenarchaeota.13008	pdl.1282	pdl:Pyrde_1299   Coenzyme F420-reducing hydrogenase, alpha subunit; K14126 F420-non-reducing hydrogenase large subunit [EC:1.12.99.- 1.8.98.5]