# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.227727	Archaea.27567	Euryarchaeota.30892	-	mhu.847	mhu:Mhun_0841   sodium/proton-potassium antiporter GerN, CPA2 family
OC.227727	Archaea.27567	Euryarchaeota.30892	-	mla.1548	mla:Mlab_1633   sodium/hydrogen exchanger
OC.227727	Archaea.27567	Euryarchaeota.30892	Methanoculleus.1306	mem.753	mem:Memar_0764   sodium/proton-potassium antiporter GerN, CPA2 family
OC.227727	Archaea.27567	Euryarchaeota.30892	Methanoculleus.1306	mbg.2199	mbg:BN140_2334   Na(+)/H(+) antiporter
OC.227727	Archaea.27567	Euryarchaeota.30892	Methanoculleus.3861	mema.2984	mema:MMAB1_3101   Na(+)/H(+) antiporter (fragment)
OC.227727	Archaea.27567	Euryarchaeota.30892	-	mpi.220	mpi:Mpet_0119   sodium/hydrogen exchanger
OC.227727	Archaea.27567	Euryarchaeota.30892	Methanoregula.2630	mfo.748	mfo:Metfor_0715   Kef-type K+ transport system, membrane component
OC.227727	Archaea.27567	Euryarchaeota.30892	-	mpl.723	mpl:Mpal_0706   sodium/hydrogen exchanger