# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.514157 Archaea.50169 Euryarchaeota.6228 Archaeoglobus.185 Archaeoglobus_fulgidus.93 afu.1040 afu:AF_1063 response regulator OC.514157 Archaea.50169 Euryarchaeota.6228 Archaeoglobus.185 Archaeoglobus_fulgidus.93 afg.1089 afg:AFULGI_00011620 Response regulator; K03413 two-component system, chemotaxis family, chemotaxis protein CheY