# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.454059	Archaea.23251	Euryarchaeota.25217	Methanoregula.503	mbn.1760	mbn:Mboo_1838   carbonic anhydrase (gamma family Zn(II)-dependent enzymes)
OC.454059	Archaea.23251	Euryarchaeota.25217	Methanoregula.503	mfo.1105	mfo:Metfor_1138   isoleucine patch superfamily enzyme, carbonic anhydrase/acetyltransferase