si_0155 Cyanobacterial_Circadian_Clock Light dependent period modulator LdpA si_0155 Cyanobacterial_Circadian_Clock Circadian input kinase A si_0155 Cyanobacterial_Circadian_Clock Circadian period extender Pex si_0155 Cyanobacterial_Circadian_Clock Circadian clock protein KaiA si_0155 Cyanobacterial_Circadian_Clock Circadian oscillation regulator KaiB si_0155 Cyanobacterial_Circadian_Clock Circadian clock protein KaiC si_0155 Cyanobacterial_Circadian_Clock Clock-associated two-component sensor histidine kinase SasA si_0155 Cyanobacterial_Circadian_Clock Circadian phase modifier si_0155 Cyanobacterial_Circadian_Clock Group 2 RNA polymerase sigma factor