# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.336221	Archaea.60277	Euryarchaeota.45183	Halorhabdus.1031	hut.2546	hut:Huta_2605   nickel-dependent hydrogenase large subunit
OC.336221	Archaea.60277	Euryarchaeota.45183	Halorhabdus.1031	hti.2305	hti:HTIA_2365   Ni/Fe hydrogenase, alpha subunit