# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.336198	Archaea.10407	Crenarchaeota.4074	Sulfolobus.4447	Sulfolobus_islandicus.4106	sih.900	sih:SiH_0921   Ni Fe-hydrogenase I large subunit-like protein
OC.336198	Archaea.10407	Crenarchaeota.4074	Sulfolobus.4447	-	sula.88	sula:BFU36_00355   Ni Fe-hydrogenase I large subunit
OC.336198	Archaea.10407	Crenarchaeota.4074	Metallosphaera.2768	-	mse.944	mse:Msed_0945   Ni Fe-hydrogenase I large subunit-like protein
OC.336198	Archaea.10407	Crenarchaeota.4074	Acidianus.3381	-	abri.2516	abri:DFR85_14225   Ni Fe-hydrogenase I large subunit