# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.189489	Bacteria.341967	Cyanobacteria.27212	Cyanothece.19246	-	cyt.3560	cyt:cce_3597   Sodium/hydrogen exchanger
OC.189489	Bacteria.341967	Cyanobacteria.27212	Cyanothece.8223	-	cyc.763	cyc:PCC7424_0638   sodium/hydrogen exchanger
OC.189489	Bacteria.341967	Cyanobacteria.27212	Nostoc.11474	Nostoc_sp_.6999	ana.2311	ana:all5322   similar to Na+/H+-exchanging protein
OC.189489	Bacteria.341967	Cyanobacteria.27212	Nostoc.17741	Nostoc_sp_.14524	nop.3363	nop:Nos7524_3555   NhaP-type Na+(K+)/H+ antiporter