# OC Root 2nd 3rd 4th PC Gene/Definition OC.194524 Bacteria.64794 Thermotogae.2109 Pseudothermotoga.556 tle.1685 tle:Tlet_1704 histidine kinase OC.194524 Bacteria.64794 Thermotogae.2109 Pseudothermotoga.556 tta.519 tta:Theth_0541 histidine kinase OC.194524 Bacteria.64794 Thermotogae.2109 Pseudothermotoga.556 phy.1730 phy:AJ81_09040 histidine kinase; K02484 two-component system, OmpR family, sensor kinase [EC:2.7.13.3]