# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.1787	Bacteria.5630	Firmicutes.292922	Firmicutes___Clostridia.168304	hmo.545	hmo:HM1_0559   signal transduction histidine kinase
OC.1787	Bacteria.5630	Nitrospirae.4148	Nitrospira.76	nde.1064	nde:NIDE1046   putative Hybrid histidine kinase
OC.1787	Bacteria.5630	Nitrospirae.4148	Nitrospira.76	nde.1231	nde:NIDE1227   Histidine kinase
OC.1787	Bacteria.5630	Nitrospirae.4148	Nitrospira.76	nmv.1244	nmv:NITMOv2_1122   Histidine kinase (modular protein)
OC.1787	Bacteria.5630	Nitrospirae.4148	Nitrospira.76	nja.2257	nja:NSJP_2254   Histidine kinase (modular protein)