# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.3067 Bacteria.6771 Proteobacteria.4073 Betaproteobacteria.91564 Ralstonia.2957 Ralstonia_pickettii.3931 rpi.91 rpi:Rpic_0029 PAS/PAC sensor hybrid histidine kinase OC.3067 Bacteria.6771 Proteobacteria.4073 Betaproteobacteria.91564 Ralstonia.2957 Ralstonia_pickettii.3931 rpf.82 rpf:Rpic12D_0024 PAS/PAC sensor hybrid histidine kinase OC.3067 Bacteria.6771 Proteobacteria.4073 Betaproteobacteria.91564 Ralstonia.2957 - rmn.713 rmn:TK49_03725 histidine kinase