# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.1367801	Bacteria.396942	Aquificae.1889	Hydrogenobacter.701	hth.1666	hth:HTH_1688   sensor histidine kinase
OC.1367801	Bacteria.396942	Aquificae.1889	Hydrogenobacter.701	hte.1643	hte:Hydth_1673   integral membrane sensor signal transduction histidine kinase
OC.1367801	Bacteria.396942	Aquificae.1889	Thermocrinis.1448	tal.1280	tal:Thal_1298   ATP-binding region ATPase domain protein