# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Mesorhizobium.1274 Mesorhizobium_sp_.11330 mesw.6526 mesw:A9K65_034595 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Mesorhizobium.1274 - mci.5937 mci:Mesci_6121 pas sensor protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 - - mes.1902 mes:Meso_1904 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sinorhizobium.20952 Sinorhizobium_sp_.10402 six.4001 six:BSY16_4705 sensory box protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_sp_.7768 rhn.5007 rhn:AMJ98_PD00026 sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_sp_.7768 rhx.5393 rhx:AMK02_PE00027 sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_sp_.14486 rei.4956 rei:IE4771_PC00023 sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_etli.653 ret.4904 ret:RHE_PE00024 probable two-component sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_etli.653 rec.4367 rec:RHECIAT_PA0000024 probable two-component sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_etli.653 rel.4757 rel:REMIM1_PD00024 sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_etli.15847 rep.4389 rep:IE4803_PA00023 sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_leguminosarum.205 rle.5168 rle:pRL110037 putative two component fused sensor/regulator transcriptional regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_leguminosarum.205 rlg.6825 rlg:Rleg_7140 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_leguminosarum.205 rlb.1181 rlb:RLEG3_05895 PAS sensor protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_leguminosarum.206 rlu.753 rlu:RLEG12_03720 PAS sensor protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 Rhizobium_leguminosarum.207 rlt.5834 rlt:Rleg2_5991 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Rhizobium.6186 - rpha.4550 rpha:AMC79_PB00024 sensor histidine kinase/response regulator hybrid protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Neorhizobium.793 Neorhizobium_galegae.2230 ngl.3195 ngl:RG1141_CH32180 Sensor/response regulator hybrid OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Neorhizobium.793 Neorhizobium_galegae.2230 ngg.3281 ngg:RG540_CH33020 Sensor/response regulator hybrid OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Neorhizobium.793 - neo.2309 neo:CYG48_11810 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 - - shz.5543 shz:shn_28710 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Methylobacterium.26832 - mno.5704 mno:Mnod_6615 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Caulobacter.6203 - cak.3577 cak:Caul_3668 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Novosphingobium.8870 Novosphingobium_sp_.7429 nov.3439 nov:TQ38_017350 PAS domain-containing sensor histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingomonas.10459 Sphingomonas_sp_.2798 splm.2456 splm:BXU08_12825 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingomonas.10459 Sphingomonas_sp_.2798 sphc.3116 sphc:CVN68_16435 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 Sphingobium_sp_.2231 syb.3751 syb:TZ53_20110 histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 Sphingobium_sp_.2231 sphb.557 sphb:EP837_00501 Protein-glutamate O-methyltransferase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 Sphingobium_sp_.2231 spht.2807 spht:K426_14295 two-component system sensor sporulation kinase C OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 Sphingobium_sp_.8014 sphr.2062 sphr:BSY17_2859 sensory box protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 Sphingobium_sp_.13338 spmi.1340 spmi:K663_06205 two-component system sensor sporulation kinase C OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 - sjp.2254 sjp:SJA_C1-22710 kinC; two-component system sensor sporulation kinase C OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 - sch.1125 sch:Sphch_1107 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 - sinb.812 sinb:SIDU_04035 histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 - shyd.293 shyd:CJD35_00810 PAS domain-containing sensor histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 - sya.2709 sya:A6768_14135 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2285 - sclo.877 sclo:SCLO_1008400 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34546 Sphingobium.2286 - sbd.2077 sbd:ATN00_11030 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34547 Bosea.4853 Bosea_sp_.3790 bop.3096 bop:AXW83_16175 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34548 - - msl.3424 msl:Msil_3591 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34549 Rhizobium.25421 Rhizobium_sp_.20968 rht.2889 rht:NT26_2892 Sensor protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34549 Brevundimonas.5400 - bne.797 bne:DA69_04115 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Oligotropha.2901 - oca.540 oca:OCAR_4545 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Oligotropha.2901 - ocg.3338 ocg:OCA5_c33970 putative histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Oligotropha.2901 - oco.3278 oco:OCA4_c33450 putative histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Methylorubrum.105 Methylorubrum_extorquens.7145 mdi.3841 mdi:METDI4162 putative sensor hybrid histidine kinase with multiple PAS and response regulator receiver domains OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Methylorubrum.105 Methylorubrum_extorquens.10091 mex.3292 mex:Mext_3362 PAS sensor protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Methylorubrum.105 - mza.2011 mza:B2G69_10860 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.34550 Methylorubrum.105 - mza.4571 mza:B2G69_24370 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.90391 Azospirillum.4487 Azospirillum_sp_.10369 azm.5113 azm:DM194_27185 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.90391 Azospirillum.4487 - ali.5981 ali:AZOLI_p60219 Hybrid sensor histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.90391 Azospirillum.4487 Azospirillum_brasilense.5141 abs.6272 abs:AZOBR_p340008 sensor protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.90391 Azospirillum.4487 Azospirillum_brasilense.5141 abq.4936 abq:ABAZ39_26165 histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.90391 - - ncb.4505 ncb:C0V82_23705 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108490 Sphingomonas.22698 Sphingomonas_wittichii.3852 swi.4384 swi:Swit_4432 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108490 Sphingomonas.22698 Sphingomonas_wittichii.3852 sphd.617 sphd:HY78_02985 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108490 Sphingomonas.30207 - ssan.1730 ssan:NX02_08585 hypothetical protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108490 Sphingobium.8395 Sphingobium_sp_.5285 sphb.2666 sphb:EP837_02677 Two-component system protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108490 Sphingobium.9603 Sphingobium_sp_.8369 sphr.2466 sphr:BSY17_3253 sensory box protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108490 - - rdi.3479 rdi:CMV14_18445 PAS domain-containing sensor histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108491 Methylobacterium.12580 - mno.321 mno:Mnod_7688 cyclic nucleotide-binding protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108491 Methylobacterium.12580 - mno.321 mno:Mnod_3507 PAS/PAC sensor hybrid histidine kinase OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108491 Phenylobacterium.4527 - pzu.2637 pzu:PHZ_c2659 FOG: PAS/PAC domain protein OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.108491 - - nao.5662 nao:Y958_30380 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.145023 Microvirga.261 - moc.269 moc:BB934_42450 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.145023 Microvirga.261 - moc.269 moc:BB934_05630 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.145023 Microvirga.261 - miv.1322 miv:C4E04_06750 hybrid sensor histidine kinase/response regulator OC.3061 Bacteria.6772 Proteobacteria.4105 Alphaproteobacteria.198776 Brevundimonas.4310 Brevundimonas_sp_.3816 brg.1010 brg:A4249_05210 hybrid sensor histidine kinase/response regulator OC.3062 Bacteria.8725 Proteobacteria.4685 Alphaproteobacteria.34567 Sulfitobacter.8534 Sulfitobacter_sp_.8556 sulz.818 sulz:C1J03_03920 hybrid sensor histidine kinase/response regulator OC.3062 Bacteria.8725 Proteobacteria.4685 Alphaproteobacteria.34572 - - hat.1809 hat:RC74_09750 hybrid sensor histidine kinase/response regulator OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 Bradyrhizobium_sp_.7691 brc.4337 brc:BCCGELA001_22100 hybrid sensor histidine kinase/response regulator OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 Bradyrhizobium_sp_.7691 brad.6166 brad:BF49_6366 Chemotaxis regulator transmits chemoreceptor signals to flagelllar motor components CheY OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 Bradyrhizobium_sp_.33193 brs.3008 brs:S23_30240 two-component hybrid sensor and regulator OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 - bja.6325 bja:blr5264 two-component hybrid sensor and regulator OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 Bradyrhizobium_japonicum.3439 bju.4485 bju:BJ6T_45170 two-component hybrid sensor and regulator OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 Bradyrhizobium_japonicum.3439 bjp.4211 bjp:RN69_21920 histidine kinase OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 - bic.3333 bic:LMTR13_17400 hybrid sensor histidine kinase/response regulator OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Bradyrhizobium.3094 - bot.5085 bot:CIT37_28015 PAS domain S-box protein OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 Nitrobacter.3457 - nha.3221 nha:Nham_3488 PAS/PAC sensor hybrid histidine kinase OC.3063 Bacteria.6414 Proteobacteria.4106 Alphaproteobacteria.108492 - - psin.4988 psin:CAK95_26275 hybrid sensor histidine kinase/response regulator OC.3064 Bacteria.8494 Proteobacteria.372728 Alphaproteobacteria.188664 Blastomonas.35 - blas.2037 blas:BSY18_2859 sensory box protein OC.3064 Bacteria.8494 Proteobacteria.372728 Alphaproteobacteria.188664 Blastomonas.35 - bfw.1029 bfw:B5J99_05195 hypothetical protein