# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.254522	Archaea.24600	Euryarchaeota.26962	Methanobrevibacter.2528	mru.137	mru:mru_0074   hypothetical protein
OC.254522	Archaea.24600	Euryarchaeota.26962	Methanobrevibacter.2528	mru.761	mru:mru_0757   hypothetical protein
OC.254522	Archaea.24600	Euryarchaeota.26962	Methanobrevibacter.2528	mol.626	mol:YLM1_0626   hypothetical protein