eta:ETA_19230 K07701 two-component system, CitB family, sensor histidine kinase DcuS [EC:2.7.13.3] | (GenBank) dcuS; Sensor protein eta:ETA_19240 K07703 two-component system, CitB family, response regulator DcuR | (GenBank) dcuR; Response regulator in two-component regulatory system with DcuS