# OC Root 2nd 3rd 4th PC Gene/Definition OC.190370 Archaea.34309 Euryarchaeota.5278 Aciduliprofundum.275 abi.133 abi:Aboo_0120 multi-sensor signal transduction histidine kinase OC.190370 Archaea.34309 Euryarchaeota.5278 Aciduliprofundum.275 abi.504 abi:Aboo_0497 multi-sensor signal transduction histidine kinase OC.190370 Archaea.34309 Euryarchaeota.5278 Aciduliprofundum.275 acf.861 acf:AciM339_0928 PAS domain S-box OC.190370 Archaea.34309 Euryarchaeota.5278 Aciduliprofundum.275 acf.1275 acf:AciM339_1357 PAS domain S-box