# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.336202	Archaea.1512	Euryarchaeota.39905	Aciduliprofundum.1228	abi.94	abi:Aboo_0080   nickel-dependent hydrogenase large subunit
OC.336202	Archaea.1512	Euryarchaeota.39905	Aciduliprofundum.1228	acf.904	acf:AciM339_0971   coenzyme F420-reducing hydrogenase, alpha subunit