| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Alteromonas macleodii MIT1002 | MIT1002_03180 | | Chemotaxis protein CheY | insig. | 100 | 100 |
| | Pseudomonas stutzeri RCH2 | Psest_3850 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 34 | 98 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT3801 | | rteB, two-component system response regulator (NCBI ptt file) | strong | 32 | 97 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03647 | | Sigma-54 interaction domain protein | cofit | 31 | 97 |
| | Pseudomonas sp. SVBP6 | COO64_RS01690 | | response regulator | insig. | 31 | 98 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_09880 | | chemotaxis protein CheY | insig. | 29 | 99 |
| | Pseudomonas orientalis W4I3 | QF045_RS02415 | | response regulator | cofit | 29 | 97 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_5036 | | Response regulator receiver | insig. | 31 | 98 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_5036 | | Response regulator receiver | sig. | 31 | 98 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00078 | | Protein-glutamate methylesterase/protein-glutamine glutaminase | cofit | 31 | 97 |
| | Pseudomonas simiae WCS417 | PS417_28060 | | chemotaxis protein CheY | no data | 31 | 97 |
| | Pseudomonas sp. DMC3 | GFF474 | | Protein-glutamate methylesterase/protein-glutamine glutaminase | cofit | 30 | 98 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2040 | | Phosphate regulon transcriptional regulatory protein PhoB (SphR) | no data | 30 | 98 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_11020 | | chemotaxis protein CheY | insig. | 30 | 97 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4070 | | Phosphate regulon transcriptional regulatory protein PhoB (SphR) | insig. | 30 | 97 |
| | Marinobacter adhaerens HP15 | HP15_3428 | | response regulator receiver protein | strong | 31 | 89 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS29745 | | response regulator | insig. | 30 | 97 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS29745 | | response regulator | sig. | 30 | 97 |
| | Pseudomonas sp. RS175 | PFR28_04484 | | Protein-glutamate methylesterase/protein-glutamine glutaminase | no data | 30 | 98 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_05615 | cheY | Chemotaxis protein CheY | insig. | 29 | 98 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_26635 | | two-component system response regulator | insig. | 29 | 98 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_05691 | cheY | Chemotaxis protein CheY | insig. | 29 | 98 |
| | Pseudomonas segetis P6 | ACVTMO_RS00580 | | response regulator | insig. | 31 | 98 |
| | Pseudomonas protegens RBAN4 | FABNJH_30840 | | Chemotaxis response regulator protein-glutamate methylesterase | insig. | 30 | 97 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS07540 | | sigma-54 dependent transcriptional regulator | insig. | 31 | 97 |
| | Pseudomonas protegens RBAN4 | FABNJH_00990 | | Hisitidine kinase | insig. | 35 | 90 |
| | Shewanella loihica PV-4 | Shew_2348 | | two component transcriptional regulator (RefSeq) | no data | 31 | 92 |
| | Pseudomonas sp. S08-1 | OH686_13435 | | Phosphate regulon transcriptional regulatory protein PhoB (SphR) | insig. | 29 | 98 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_758 | | Phosphate regulon transcriptional regulatory protein PhoB (SphR) | insig. | 29 | 97 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2010 | | response regulator receiver protein (RefSeq) | insig. | 38 | 55 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23460 | | divalent ion tolerance protein CutA | insig. | 36 | 94 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03441 | | response regulator receiver domain protein | insig. | 33 | 90 |
| | Agrobacterium fabrum C58 | Atu3764 | | sigma 54 dependent transcriptional activator | sig. | 30 | 89 |
| | Pseudomonas sp. BP01 | JOY50_RS08880 | | response regulator | insig. | 28 | 97 |
| | Pseudomonas putida KT2440 | PP_5324 | | Response regulator | insig. | 28 | 97 |
| | Acinetobacter radioresistens SK82 | MPMX26_03163 | | Transcriptional regulatory protein QseB | cofit | 34 | 93 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_05631 | | two component transcriptional regulator, winged helix family | no data | 32 | 93 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09115 | | sigma-54 dependent transcriptional regulator | insig. | 30 | 95 |
| | Paraburkholderia graminis OAS925 | ABIE53_003721 | | two-component system phosphate regulon response regulator OmpR | insig. | 31 | 93 |
| | Escherichia coli BL21 | ECD_01853 | | chemotaxis regulator transmitting signal to flagellar motor component | no data | 37 | 62 |
| | Escherichia coli ECOR27 | NOLOHH_16595 | cheY | chemotaxis regulatory protein CheY | insig. | 37 | 62 |
| | Escherichia coli ECRC100 | OKFHMN_26155 | cheY | chemotaxis regulatory protein CheY | no data | 37 | 62 |
| | Escherichia coli ECRC101 | MCAODC_19250 | cheY | chemotaxis regulatory protein CheY | no data | 37 | 62 |
| | Escherichia coli ECRC102 | NIAGMN_01905 | cheY | chemotaxis regulatory protein CheY | no data | 37 | 62 |
| | Escherichia coli ECRC62 | BNILDI_15385 | cheY | chemotaxis regulatory protein CheY | cofit | 37 | 62 |
| | Escherichia coli ECRC98 | JDDGAC_00730 | cheY | chemotaxis regulatory protein CheY | no data | 37 | 62 |
| | Escherichia coli ECRC99 | KEDOAH_01950 | cheY | chemotaxis regulatory protein CheY | no data | 37 | 62 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01846 | | Chemotaxis protein CheY | insig. | 37 | 62 |
| | Escherichia coli BW25113 | b1882 | cheY | chemotaxis regulator transmitting signal to flagellar motor component (NCBI) | insig. | 37 | 62 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3228 | cheY-3 | chemotaxis protein CheY (TIGR) | sig. | 35 | 55 |
| | Caulobacter crescentus NA1000 | CCNA_01362 | | two-component response regulator | sig. | 27 | 100 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01362 | | two-component response regulator | cofit | 27 | 100 |
| | Escherichia fergusonii Becca | EFB2_02061 | | Chemotaxis protein CheY | insig. | 37 | 62 |
| | Escherichia coli ECOR38 | HEPCGN_04575 | cheY | chemotaxis regulatory protein CheY | insig. | 37 | 62 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS10750 | | chemotaxis response regulator CheY | no data | 37 | 62 |
| | Pseudomonas sp. SVBP6 | COO64_RS26185 | | sigma-54 dependent transcriptional regulator | insig. | 32 | 97 |
| | Sinorhizobium meliloti 1021 | SMc04011 | | sigma-54-dependent transcription regulator protein | insig. | 29 | 98 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS17385 | | response regulator | insig. | 38 | 56 |
| | Ralstonia solanacearum UW163 | UW163_RS21765 | | response regulator | no data | 38 | 56 |
| | Azospirillum sp. SherDot2 | MPMX19_01451 | | Regulator of RpoS | insig. | 36 | 59 |
| | Pseudomonas simiae WCS417 | PS417_00905 | | histidine kinase | insig. | 33 | 93 |
| | Shewanella loihica PV-4 | Shew_1442 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 27 | 99 |
| | Paraburkholderia graminis OAS925 | ABIE53_000395 | | DNA-binding NtrC family response regulator | no data | 26 | 100 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0674 | | Response regulator receiver domain | insig. | 37 | 62 |
| | Enterobacter sp. TBS_079 | MPMX20_02786 | | Chemotaxis protein CheY | strong | 37 | 62 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02234 | | two component transcriptional regulator, Fis family | no data | 26 | 100 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS06260 | | response regulator | no data | 38 | 56 |
| | Azospirillum sp. SherDot2 | MPMX19_06359 | | Transcriptional activator protein CopR | no data | 29 | 92 |
| | Azospirillum sp. SherDot2 | MPMX19_06441 | | Transcriptional activator protein CopR | no data | 29 | 92 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS17810 | | transcriptional regulator | sig. | 31 | 93 |
| | Erwinia amylovora T8 | OLJFJH_12765 | | chemotaxis regulatory protein CheY | cofit | 39 | 52 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02182 | | response regulator receiver domain protein | cofit | 34 | 89 |
| | Pseudomonas putida KT2440 | PP_0215 | | Response regulator | insig. | 31 | 94 |
| | Shewanella amazonensis SB2B | Sama_1542 | | response regulator receiver protein (RefSeq) | strong | 30 | 92 |
| | Shewanella sp. ANA-3 | Shewana3_1724 | | two component transcriptional regulator (RefSeq) | cofit | 30 | 93 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS01490 | | XRE family transcriptional regulator | no data | 27 | 98 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1663 | | Chemotaxis regulator - transmits chemoreceptor signals to flagelllar motor components CheY | insig. | 38 | 62 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS07820 | | chemotaxis protein CheY | sig. | 35 | 60 |
| | Cellulophaga baltica 18 | M666_RS02825 | | sigma-54 dependent transcriptional regulator | strong | 35 | 94 |
| | Rhodopseudomonas palustris CGA009 | TX73_021705 | | sigma-54 dependent transcriptional regulator | sig. | 34 | 63 |
| | Alteromonas macleodii MIT1002 | MIT1002_01326 | | Quorum-sensing regulator protein F | insig. | 31 | 95 |
| | Shewanella oneidensis MR-1 | SO1946 | phoP | transcriptional regulatory protein PhoP (NCBI ptt file) | strong | 30 | 92 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_03662 | dctD | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 30 | 98 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_06350 | | Fis family transcriptional regulator | strong | 30 | 98 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_03702 | dctD | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 30 | 98 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_00185 | cheA | Chemotaxis protein CheA | sig. | 29 | 82 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_24650 | | chemotaxis protein CheA | insig. | 29 | 82 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_00182 | cheA | Chemotaxis protein CheA | insig. | 29 | 82 |
| | Pseudomonas segetis P6 | ACVTMO_RS00245 | | heavy metal response regulator transcription factor | insig. | 28 | 96 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS01270 | | response regulator | insig. | 24 | 99 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4701 | | Response regulator receiver | no data | 38 | 57 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4701 | | Response regulator receiver | no data | 38 | 57 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS09870 | | chemotaxis protein CheY | insig. | 35 | 60 |
| | Serratia liquefaciens MT49 | IAI46_16010 | | chemotaxis response regulator CheY | insig. | 34 | 62 |
| | Pectobacterium carotovorum WPP14 | HER17_RS08125 | | chemotaxis response regulator CheY | strong | 34 | 62 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2477 | | response regulator | insig. | 31 | 90 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS13325 | | response regulator | cofit | 40 | 50 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1673 | | Nitrogen regulation protein NR(I) | insig. | 36 | 70 |
| | Pseudomonas sp. SVBP6 | COO64_RS17260 | | response regulator transcription factor | insig. | 33 | 86 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_24505 | | two-component system response regulator RssB | strong | 32 | 84 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_01974 | rssB | two-component system response regulator RssB | no data | 32 | 84 |
| | Dechlorosoma suillum PS | Dsui_1707 | | response regulator with CheY-like receiver domain and winged-helix DNA-binding domain | insig. | 31 | 66 |
| | Rhodospirillum rubrum S1H | Rru_A2913 | | Two component Transcriptional regulator, Winged helix family (NCBI) | insig. | 30 | 63 |
| | Agrobacterium fabrum C58 | Atu5505 | | two component response regulator | insig. | 29 | 98 |
| | Methylophilus sp. DMC18 | GFF1502 | | DNA-binding transcriptional regulator NtrC | no data | 29 | 97 |
| | Shewanella loihica PV-4 | Shew_0583 | | two component transcriptional regulator (RefSeq) | insig. | 28 | 96 |
| | Serratia liquefaciens MT49 | IAI46_04750 | | response regulator transcription factor | insig. | 26 | 98 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS00920 | | response regulator | insig. | 32 | 93 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS00920 | | response regulator | insig. | 32 | 93 |
| | Azospirillum brasilense Sp245 | AZOBR_RS10740 | | regulator | insig. | 29 | 98 |
| | Marinobacter adhaerens HP15 | HP15_185 | | two component transcriptional regulator, winged helix family | insig. | 28 | 89 |
| | Ralstonia solanacearum GMI1000 | RS_RS23925 | | response regulator | strong | 36 | 56 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS35780 | | chemotaxis protein CheY | insig. | 36 | 54 |
| | Rhodopseudomonas palustris CGA009 | TX73_022010 | | response regulator FixJ | no data | 31 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0332 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 30 | 90 |
| | Lysobacter sp. OAE881 | ABIE51_RS04165 | | response regulator transcription factor | insig. | 29 | 94 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18790 | | transcriptional regulator | insig. | 26 | 95 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c13010 | | two-component system response regulator | insig. | 34 | 63 |
| | Rhodopseudomonas palustris CGA009 | TX73_006745 | | response regulator | insig. | 34 | 70 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1786 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | no data | 32 | 58 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS00960 | | DNA-binding response regulator | strong | 28 | 99 |
| | Shewanella oneidensis MR-1 | SO0622 | | DNA-binding response regulator (NCBI ptt file) | insig. | 26 | 96 |
| | Pseudomonas protegens RBAN4 | FABNJH_20750 | | DNA-binding response regulator | insig. | 33 | 86 |
| | Shewanella sp. ANA-3 | Shewana3_0615 | | two component transcriptional regulator (RefSeq) | sig. | 26 | 96 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS17955 | | response regulator | no data | 37 | 53 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_10660 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 30 | 90 |
| | Pseudomonas stutzeri RCH2 | Psest_4267 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 29 | 95 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS15610 | | response regulator transcription factor | insig. | 28 | 96 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS08505 | cheY | chemotaxis response regulator CheY | cofit | 34 | 62 |
| | Rahnella sp. WP5 | EX31_RS11355 | | chemotaxis protein CheY | insig. | 33 | 62 |
| | Rhodospirillum rubrum S1H | Rru_A2837 | | Response regulator receiver domain protein (CheY) (NCBI) | insig. | 32 | 63 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS03150 | | response regulator transcription factor | insig. | 31 | 90 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS03150 | | response regulator transcription factor | sig. | 31 | 90 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS02725 | | sigma-54 dependent transcriptional regulator | insig. | 30 | 85 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS04655 | | DNA-binding response regulator | strong | 29 | 93 |
| | Rhodopseudomonas palustris CGA009 | TX73_010865 | | response regulator | insig. | 29 | 97 |
| | Erwinia tracheiphila SCR3 | LU632_RS14590 | phoP | two-component system response regulator PhoP | strong | 27 | 93 |
| | Xanthobacter sp. DMC5 | GFF4475 | | Chemotaxis protein CheY | insig. | 37 | 54 |
| | Shewanella oneidensis MR-1 | SO2120 | cheY-1 | chemotaxis protein CheY (NCBI ptt file) | insig. | 26 | 78 |
| | Pantoea sp. MT58 | IAI47_08335 | | chemotaxis response regulator CheY | sig. | 34 | 62 |
| | Alteromonas macleodii MIT1002 | MIT1002_03186 | | Nitrogen regulation protein NR(I) | strong | 29 | 98 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01840 | | ATPase/histidine kinase/DNA gyrase B/HSP90 domain protein | cofit | 29 | 90 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3415 | | Transcriptional regulatory protein PhoP | strong | 29 | 93 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_19775 | | transcriptional regulator | insig. | 33 | 78 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS14210 | | response regulator | no data | 29 | 92 |
| | Azospirillum brasilense Sp245 | AZOBR_RS12415 | | chemotaxis protein CheY | strong | 35 | 89 |
| | Sinorhizobium meliloti 1021 | SM_b20613 | | C4-dicarboxylate transport transcriptional regulator | strong | 33 | 71 |
| | Marinobacter adhaerens HP15 | HP15_3356 | | response regulator receiver protein | insig. | 31 | 93 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2394 | ntrC1 | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 30 | 90 |
| | Pseudomonas sp. BP01 | JOY50_RS08590 | | heavy metal response regulator transcription factor | insig. | 28 | 96 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4464 | | Probable two component response regulator transcription regulator protein | no data | 25 | 98 |
| | Dickeya dadantii 3937 | DDA3937_RS13520 | | chemotaxis response regulator CheY | strong | 33 | 62 |
| | Dickeya dianthicola ME23 | DZA65_RS14050 | | chemotaxis protein CheY | strong | 33 | 62 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1292 | | Response regulators consisting of a CheY-like receiver domain and a winged-helix DNA-binding domain | strong | 32 | 87 |
| | Variovorax sp. SCN45 | GFF2474 | | Two-component transcriptional response regulator SMc02366, LuxR family | insig. | 30 | 99 |
| | Pseudomonas sp. DMC3 | GFF580 | | Transcriptional regulatory protein CseB | insig. | 28 | 88 |
| | Sphingobium sp. HT1-2 | GFF5177 | | Two-component transcriptional response regulator, OmpR family | cofit | 28 | 92 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14960 | | Fis family transcriptional regulator | strong | 27 | 78 |
| | Ralstonia solanacearum GMI1000 | RS_RS01635 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 25 | 98 |
| | Azospirillum brasilense Sp245 | AZOBR_RS02220 | | chemotaxis protein CheY | insig. | 33 | 79 |
| | Shewanella loihica PV-4 | Shew_1085 | | response regulator receiver protein (RefSeq) | insig. | 29 | 90 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS22520 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 25 | 98 |
| | Dechlorosoma suillum PS | Dsui_1719 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 36 | 52 |
| | Dickeya dianthicola 67-19 | HGI48_RS13565 | | chemotaxis response regulator CheY | insig. | 33 | 62 |
| | Pseudomonas putida KT2440 | PP_2347 | | DNA-binding response regulator | insig. | 32 | 86 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 31 | 90 |
| | Pseudomonas sp. RS175 | PFR28_04757 | | Regulator of RpoS | insig. | 31 | 90 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_2061 | | Phosphate regulon transcriptional regulatory protein PhoB (SphR) | strong | 31 | 100 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_67 | | Copper-sensing two-component system response regulator CusR | no data | 30 | 96 |
| | Pseudomonas putida KT2440 | PP_1401 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 28 | 98 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS00190 | | response regulator transcription factor EsaR | no data | 28 | 92 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS35850 | | hypothetical protein | sig. | 27 | 88 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS06635 | | sigma-54 dependent transcriptional regulator | strong | 27 | 98 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS10795 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 25 | 98 |
| | Ralstonia solanacearum UW163 | UW163_RS02785 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 25 | 98 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2923 | | two-component system sensor histidine kinase/response regulator, hybrid ('one-component system') (NCBI ptt file) | insig. | 35 | 62 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_22025 | cheY | chemotaxis regulatory protein CheY | insig. | 33 | 62 |
| | Erwinia tracheiphila SCR3 | LU632_RS13520 | cheY | chemotaxis response regulator CheY | insig. | 33 | 62 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01669 | | Transcriptional activator protein CopR | cofit | 32 | 59 |
| | Pseudomonas orientalis W4I3 | QF045_RS10330 | | heavy metal response regulator transcription factor | insig. | 32 | 59 |
| | Pseudomonas sp. BP01 | JOY50_RS10885 | | response regulator transcription factor | insig. | 32 | 86 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_03805 | | C4-dicarboxylate ABC transporter | strong | 31 | 97 |
| | Pseudomonas sp. DMC3 | GFF5115 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 31 | 99 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4017 | | Copper-sensing two-component system response regulator CusR | insig. | 30 | 96 |
| | Pseudomonas putida KT2440 | PP_5383 | | transcriptional activator protein | insig. | 28 | 96 |
| | Pseudomonas simiae WCS417 | PS417_07685 | | transcriptional regulator | insig. | 32 | 59 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_105 | | Two-component system response regulator QseB | no data | 32 | 78 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16265 | | Fis family transcriptional regulator | strong | 30 | 99 |
| | Azospirillum sp. SherDot2 | MPMX19_00800 | | Protein-glutamate methylesterase/protein-glutamine glutaminase | insig. | 29 | 93 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 28 | 93 |
| | Bosea sp. OAE506 | ABIE41_RS06145 | | sigma-54 dependent transcriptional regulator | sig. | 27 | 89 |
| | Shewanella sp. ANA-3 | Shewana3_2219 | | response regulator receiver protein (RefSeq) | insig. | 26 | 78 |
| | Azospirillum sp. SherDot2 | MPMX19_02486 | | Chemotaxis protein CheY | insig. | 41 | 54 |
| | Pseudomonas sp. DMC3 | GFF1365 | | Transcriptional regulatory protein QseB | cofit | 36 | 61 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3212 | | Response regulator receiver:Transcriptional regulatory protein, C-terminal | sig. | 36 | 61 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3212 | | Response regulator receiver:Transcriptional regulatory protein, C-terminal | insig. | 36 | 61 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_41 | | Two-component system response regulator QseB | sig. | 36 | 61 |
| | Erwinia amylovora T8 | OLJFJH_09900 | | chemotaxis response regulator CheY | insig. | 32 | 63 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4012 | | response regulator | insig. | 32 | 90 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS01375 | | sigma-54 dependent transcriptional regulator | strong | 31 | 62 |
| | Pseudomonas simiae WCS417 | PS417_03070 | | LuxR family transcriptional regulator | sig. | 31 | 90 |
| | Paraburkholderia graminis OAS925 | ABIE53_000648 | | two-component system C4-dicarboxylate transport response regulator DctD | insig. | 31 | 64 |
| | Pseudomonas sp. DMC3 | GFF5041 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | cofit | 31 | 97 |
| | Pseudomonas sp. BP01 | JOY50_RS18505 | | response regulator | insig. | 30 | 87 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4346 | | Signal transduction histidine kinase | insig. | 30 | 90 |
| | Pseudomonas segetis P6 | ACVTMO_RS02200 | | response regulator transcription factor | no data | 29 | 90 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS15940 | | DNA-binding response regulator | no data | 29 | 89 |
| | Pseudomonas sp. RS175 | PFR28_04889 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 29 | 95 |
| | Pseudomonas sp. BP01 | JOY50_RS14530 | | sigma-54 dependent transcriptional regulator | insig. | 28 | 98 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS04575 | | DNA-binding response regulator | insig. | 28 | 86 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS00340 | | XRE family transcriptional regulator | no data | 28 | 100 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS12650 | | response regulator | insig. | 27 | 99 |
| | Erwinia amylovora T8 | OLJFJH_15270 | | two-component system response regulator PhoP | insig. | 27 | 92 |
| | Dechlorosoma suillum PS | Dsui_1068 | | heavy metal response regulator | cofit | 27 | 98 |
| | Shewanella loihica PV-4 | Shew_0905 | | response regulator receiver protein (RefSeq) | insig. | 27 | 94 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS04935 | | response regulator | no data | 26 | 99 |
| | Azospirillum sp. SherDot2 | MPMX19_03749 | | KDP operon transcriptional regulatory protein KdpE | insig. | 26 | 98 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17625 | | Nodulation protein W | no data | 26 | 89 |
| | Agrobacterium fabrum C58 | Atu3786 | | two component response regulator | insig. | 26 | 96 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1991 | | response regulator receiver protein (RefSeq) | no data | 24 | 96 |
| | Rhodospirillum rubrum S1H | Rru_A2726 | | Response regulator receiver domain protein (CheY) (NCBI) | insig. | 41 | 55 |
| | Pseudomonas stutzeri RCH2 | Psest_3533 | | Response regulators consisting of a CheY-like receiver domain and a winged-helix DNA-binding domain | insig. | 31 | 71 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02037 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | cofit | 31 | 64 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS07960 | | response regulator transcription factor | strong | 29 | 99 |
| | Azospirillum sp. SherDot2 | MPMX19_04099 | | Chemotaxis protein CheY | insig. | 29 | 92 |
| | Sinorhizobium meliloti 1021 | SMa0941 | | hypothetical protein | insig. | 27 | 96 |
| | Phaeobacter inhibens DSM 17395 | PGA1_262p02090 | | response regulator receiver domain-containing protein | insig. | 26 | 98 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS23560 | | two-component system response regulator | no data | 26 | 99 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0990 | | two-component system response regulator (NCBI ptt file) | sig. | 25 | 100 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_00355 | | transcriptional regulator | insig. | 31 | 60 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 30 | 90 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 30 | 90 |
| | Pseudomonas sp. RS175 | PFR28_03376 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | sig. | 30 | 99 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05185 | | response regulator | insig. | 27 | 99 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_00380 | phoP | two-component system response regulator PhoP | cofit | 27 | 92 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS08380 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 36 | 51 |
| | Pseudomonas sp. RS175 | PFR28_02847 | | Transcriptional regulatory protein QseB | insig. | 36 | 61 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_21280 | | transcriptional regulator | insig. | 36 | 61 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS07760 | | heavy metal response regulator transcription factor | insig. | 31 | 59 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS07760 | | heavy metal response regulator transcription factor | insig. | 31 | 59 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS24850 | | response regulator | insig. | 31 | 90 |
| | Pantoea sp. MT58 | IAI47_04945 | | two-component system response regulator GlrR | sig. | 31 | 94 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS05235 | glrR | two-component system response regulator GlrR | cofit | 31 | 94 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS04550 | | response regulator transcription factor | no data | 30 | 80 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_776 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 30 | 99 |
| | Pseudomonas simiae WCS417 | PS417_19520 | | transcriptional regulator | insig. | 30 | 92 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS02520 | | Fis family transcriptional regulator | strong | 29 | 62 |
| | Pseudomonas sp. S08-1 | OH686_13325 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | cofit | 29 | 98 |
| | Rahnella sp. WP5 | EX31_RS20615 | | two-component system response regulator GlrR | insig. | 29 | 98 |
| | Rhizobium sp. OAE497 | ABIE40_RS16175 | | sigma-54 dependent transcriptional regulator | strong | 25 | 88 |