# OC Root 2nd 3rd 4th PC Gene/Definition OC.1777 Bacteria.7003 Proteobacteria.791535 Gammaproteobacteria.458023 tig.1196 tig:THII_1131 histidine kinase-like protein OC.1777 Bacteria.6774 Proteobacteria.4212 Alphaproteobacteria.171629 mgm.26 mgm:Mmc1_0232 multi-sensor hybrid histidine kinase OC.1777 Bacteria.6137 Proteobacteria.5583 Alphaproteobacteria.321430 mgm.1827 mgm:Mmc1_1929 PAS/PAC sensor hybrid histidine kinase OC.1777 Bacteria.6774 Proteobacteria.4212 Alphaproteobacteria.171632 mgm.30 mgm:Mmc1_2383 PAS/PAC sensor hybrid histidine kinase OC.1777 Bacteria.6774 Proteobacteria.4212 Alphaproteobacteria.171628 mgm.27 mgm:Mmc1_2453 multi-sensor hybrid histidine kinase OC.1777 Bacteria.6774 Proteobacteria.4212 Alphaproteobacteria.171631 mgm.28 mgm:Mmc1_3242 PAS/PAC sensor hybrid histidine kinase OC.1777 Bacteria.6774 Proteobacteria.4212 Alphaproteobacteria.171633 mgm.29 mgm:Mmc1_3403 PAS/PAC sensor hybrid histidine kinase OC.1777 Bacteria.7003 Planctomycetes.32627 - kst.3300 kst:KSMBR1_3826 very similar to histidine kinase