OmpR family
NarL family
Spo family
CitB family
LytTR family
NtrC family
CheA family
Cell cycle family
Lux family
LuxR family
DctS-DctR (C4-dicarboxylate transport)
TtrS-TtrR (tetrathionate respiration)
WN53_14155 histidine kinase WN53_14150 tetrathionate reductase
K13040 ttrS; two-component system, LuxR family, sensor histidine kinase TtrS [EC:2.7.13.3] K13041 ttrR; two-component system, LuxR family, response regulator TtrR
FixL-FixJ (nitrogen fixation)
SsrA-SsrB
Other families