# OC Root	2nd	3rd	4th	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