# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.336226	Archaea.11595	Crenarchaeota.673	Sulfolobus.4437	Sulfolobus_islandicus.4095	sih.889	sih:SiH_0910   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336226	Archaea.11595	Crenarchaeota.673	Sulfolobus.4437	-	sula.66	sula:BFU36_00230   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336226	Archaea.11595	Crenarchaeota.673	Metallosphaera.2747	-	mse.922	mse:Msed_0923   nickel-dependent hydrogenase, large subunit
OC.336226	Archaea.11595	Crenarchaeota.673	Acidianus.1245	-	aman.888	aman:B6F84_04425   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336226	Archaea.11595	Crenarchaeota.673	Acidianus.1245	-	abri.2493	abri:DFR85_14110   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]