# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.227583	Bacteria.269103	Thermodesulfobacteria.242	Thermodesulfobacterium.1488	top.253	top:TOPB45_0241   sodium/hydrogen exchanger; K03455 monovalent cation:H+ antiporter-2, CPA2 family
OC.227583	Bacteria.269103	Thermodesulfobacteria.242	-	cthi.1008	cthi:THC_1045   sodium/hydrogen exchanger; K03455 monovalent cation:H+ antiporter-2, CPA2 family