| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Xanthobacter sp. DMC5 | GFF4524 | | Regulator of RpoS | insig. | 100 | 100 |
| | Xanthobacter sp. DMC5 | GFF2510 | | Regulator of RpoS | insig. | 41 | 88 |
| | Azospirillum sp. SherDot2 | MPMX19_03442 | | hypothetical protein | no data | 30 | 77 |
| | Azospirillum brasilense Sp245 | AZOBR_RS15875 | | regulator | no data | 47 | 37 |
| | Pseudomonas sp. SVBP6 | COO64_RS16760 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 43 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_18205 | | Fis family transcriptional regulator | insig. | 40 | 43 |
| | Pseudomonas sp. RS175 | PFR28_03376 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | sig. | 39 | 43 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4775 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | strong | 40 | 43 |
| | Pseudomonas sp. BP01 | JOY50_RS14825 | | sigma-54 dependent transcriptional regulator | insig. | 39 | 43 |
| | Pseudomonas putida KT2440 | PP_1066 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 39 | 43 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_776 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 39 | 43 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5565 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 39 | 43 |
| | Pseudomonas stutzeri RCH2 | Psest_4267 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 42 | 45 |
| | Pseudomonas sp. SVBP6 | COO64_RS00595 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 44 |
| | Pseudomonas sp. DMC3 | GFF5115 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 39 | 44 |
| | Pseudomonas simiae WCS417 | PS417_05535 | | Fis family transcriptional regulator | strong | 38 | 44 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01294 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 39 | 44 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05620 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 38 | 43 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05620 | | sigma-54-dependent Fis family transcriptional regulator | strong | 38 | 43 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16265 | | Fis family transcriptional regulator | strong | 39 | 43 |
| | Azospirillum brasilense Sp245 | AZOBR_RS22615 | | chemotaxis protein CheY | no data | 40 | 46 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS11680 | dctD;inference=COORDINATES | two-component system response regulator DctD | strong | 40 | 45 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_27655 | | two-component system response regulator DctD | strong | 40 | 45 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS50420 | dctD;inference=COORDINATES | two-component system response regulator DctD | strong | 40 | 45 |
| | Pseudomonas segetis P6 | ACVTMO_RS01055 | | sigma-54-dependent transcriptional regulator | insig. | 40 | 44 |
| | Pseudomonas sp. S08-1 | OH686_13325 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | cofit | 38 | 43 |
| | Pseudomonas sp. BP01 | JOY50_RS26420 | | sigma-54 dependent transcriptional regulator | insig. | 37 | 45 |
| | Pseudomonas orientalis W4I3 | QF045_RS08460 | | sigma-54 dependent transcriptional regulator | cofit | 38 | 48 |
| | Pseudomonas putida KT2440 | PP_0263 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 40 | 44 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3913 | | Helix-turn-helix, Fis-type | insig. | 38 | 43 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3913 | | Helix-turn-helix, Fis-type | insig. | 38 | 43 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_11860 | | Fis family transcriptional regulator | strong | 38 | 44 |
| | Pseudomonas simiae WCS417 | PS417_01305 | | Fis family transcriptional regulator | sig. | 38 | 44 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS19025 | | sigma-54 dependent transcriptional regulator | strong | 38 | 45 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_06350 | | Fis family transcriptional regulator | strong | 38 | 45 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS53150 | | sigma-54 dependent transcriptional regulator | strong | 38 | 45 |
| | Pseudomonas sp. DMC3 | GFF4159 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 38 | 44 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_401 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 38 | 44 |
| | Rhizobium sp. OAE497 | ABIE40_RS26335 | | sigma-54 dependent transcriptional regulator | strong | 36 | 45 |
| | Cellulophaga baltica 18 | M666_RS02825 | | sigma-54 dependent transcriptional regulator | strong | 33 | 45 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS01400 | | sigma-54-dependent Fis family transcriptional regulator | strong | 38 | 44 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS01400 | | sigma-54-dependent Fis family transcriptional regulator | strong | 38 | 44 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 33 | 51 |
| | Pseudomonas sp. RS175 | PFR28_04889 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 37 | 44 |
| | Xanthobacter sp. DMC5 | GFF3675 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 36 | 49 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1975 | | hypothetical protein | insig. | 43 | 32 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3883 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 37 | 44 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1666 | | C4-dicarboxylate transport transcriptional regulatory protein | sig. | 37 | 44 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_10065 | | Fis family transcriptional regulator | strong | 37 | 44 |
| | Sphingobium sp. HT1-2 | GFF778 | | hypothetical protein | insig. | 45 | 32 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3215 | drrA | response regulator (TIGR) | insig. | 38 | 43 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_07565 | | response regulator | no data | 36 | 46 |
| | Xanthobacter sp. DMC5 | GFF2901 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 36 | 45 |
| | Sphingobium sp. HT1-2 | GFF4349 | | hypothetical protein | cofit | 40 | 36 |
| | Pseudomonas orientalis W4I3 | QF045_RS06155 | | response regulator | insig. | 37 | 39 |
| | Pseudomonas simiae WCS417 | PS417_03120 | | histidine kinase | insig. | 37 | 39 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 36 | 46 |
| | Pseudomonas orientalis W4I3 | QF045_RS06105 | | response regulator transcription factor | cofit | 34 | 45 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1769 | | response regulator receiver protein (RefSeq) | sig. | 38 | 45 |
| | Pseudomonas orientalis W4I3 | QF045_RS04425 | | sigma-54 dependent transcriptional regulator | cofit | 38 | 44 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS03200 | | response regulator | insig. | 37 | 39 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS03200 | | response regulator | insig. | 37 | 39 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00486 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | cofit | 38 | 44 |
| | Pantoea sp. MT58 | IAI47_00450 | | nitrogen regulation protein NR(I) | strong | 32 | 50 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS18895 | | nitrogen regulation protein NR(I) | strong | 32 | 50 |
| | Pseudomonas sp. S08-1 | OH686_22730 | | Serine phosphatase RsbU, regulator of sigma subunit | no data | 40 | 44 |
| | Shewanella amazonensis SB2B | Sama_2399 | | response regulator receiver protein (RefSeq) | insig. | 36 | 49 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4350 | | nitrogen regulation protein NR(I) | insig. | 31 | 50 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2963 | | response regulator (TIGR) | strong | 37 | 46 |
| | Enterobacter sp. TBS_079 | MPMX20_04597 | | DNA-binding transcriptional regulator NtrC | strong | 31 | 50 |
| | Pseudomonas segetis P6 | ACVTMO_RS21725 | | sigma-54-dependent transcriptional regulator | sig. | 38 | 45 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4938 | | Helix-turn-helix, Fis-type | sig. | 36 | 44 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4938 | | Helix-turn-helix, Fis-type | insig. | 36 | 44 |
| | Pseudomonas sp. S08-1 | OH686_14355 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 37 | 45 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0581 | | response regulator/anti-anti-sigma factor (TIGR) | cofit | 37 | 43 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS03980 | | Fis family transcriptional regulator | strong | 37 | 43 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2477 | | response regulator | insig. | 33 | 50 |
| | Pseudomonas segetis P6 | ACVTMO_RS19995 | | response regulator transcription factor | insig. | 32 | 43 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4376 | | regulatory protein, LuxR:Response regulator receiver | insig. | 32 | 42 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4376 | | regulatory protein, LuxR:Response regulator receiver | insig. | 32 | 42 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1282 | | DNA-binding response regulator, LuxR family | insig. | 31 | 45 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS37765 | | sigma-54 dependent transcriptional regulator | insig. | 37 | 44 |
| | Paraburkholderia graminis OAS925 | ABIE53_001852 | | two-component system C4-dicarboxylate transport response regulator DctD | strong | 37 | 44 |
| | Pseudomonas sp. DMC3 | GFF84 | | Regulatory protein AtoC | no data | 34 | 50 |
| | Rahnella sp. WP5 | EX31_RS15880 | | nitrogen regulation protein NR(I) | strong | 32 | 45 |
| | Escherichia coli ECOR27 | NOLOHH_06240 | glnG | nitrogen regulation protein NR(I) | insig. | 31 | 50 |
| | Escherichia coli ECOR38 | HEPCGN_12740 | glnG | nitrogen regulation protein NR(I) | insig. | 31 | 50 |
| | Escherichia coli ECRC100 | OKFHMN_14110 | glnG | nitrogen regulation protein NR(I) | insig. | 31 | 50 |
| | Escherichia coli ECRC101 | MCAODC_04610 | glnG | nitrogen regulation protein NR(I) | strong | 31 | 50 |
| | Escherichia coli ECRC102 | NIAGMN_11865 | glnG | nitrogen regulation protein NR(I) | insig. | 31 | 50 |
| | Escherichia coli ECRC98 | JDDGAC_17735 | glnG | nitrogen regulation protein NR(I) | no data | 31 | 50 |
| | Escherichia coli ECRC99 | KEDOAH_14040 | glnG | nitrogen regulation protein NR(I) | no data | 31 | 50 |
| | Escherichia coli BW25113 | b3868 | glnG | fused DNA-binding response regulator in two-component regulatory system with GlnL: response regulator/sigma54 interaction protein (NCBI) | strong | 31 | 50 |
| | Escherichia fergusonii Becca | EFB2_04538 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 29 | 55 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23460 | | sigma-54 dependent transcriptional regulator | cofit | 29 | 55 |
| | Rhizobium sp. OAE497 | ABIE40_RS15425 | | sigma-54 dependent transcriptional regulator | strong | 33 | 45 |
| | Pseudomonas sp. DMC3 | GFF3335 | | Response regulator protein TmoT | cofit | 32 | 43 |
| | Escherichia coli BL21 | ECD_03753 | | fused DNA-binding response regulator in two-component regulatory system with GlnL: response regulator/sigma54 interaction protein | insig. | 31 | 50 |
| | Escherichia fergusonii Becca | EFB2_04748 | | DNA-binding transcriptional regulator NtrC | strong | 31 | 50 |
| | Escherichia coli ECRC62 | BNILDI_05290 | glnG | nitrogen regulation protein NR(I) | cofit | 31 | 50 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04184 | | DNA-binding transcriptional regulator NtrC | sig. | 31 | 50 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS22295 | | nitrogen regulation protein NR(I) | strong | 31 | 50 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2334 | | response regulator receiver protein (RefSeq) | insig. | 38 | 49 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4701 | | Response regulator receiver | no data | 35 | 45 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4701 | | Response regulator receiver | no data | 35 | 45 |
| | Agrobacterium fabrum C58 | Atu3296 | | two component response regulator for C4-dicarboxylate transport | strong | 34 | 51 |
| | Erwinia amylovora T8 | OLJFJH_05495 | | nitrogen regulation protein NR(I) | strong | 31 | 50 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 31 | 44 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1138 | | response regulator | insig. | 33 | 50 |
| | Dickeya dadantii 3937 | DDA3937_RS00125 | | nitrogen regulation protein NR(I) | cofit | 34 | 44 |
| | Dickeya dianthicola 67-19 | HGI48_RS21235 | | nitrogen regulation protein NR(I) | strong | 34 | 44 |
| | Dickeya dianthicola ME23 | DZA65_RS22210 | | nitrogen regulation protein NR(I) | strong | 34 | 44 |
| | Pseudomonas sp. RS175 | PFR28_04111 | | Regulatory protein AtoC | no data | 32 | 50 |
| | Sinorhizobium meliloti 1021 | SM_b21200 | | two-component response regulator protein | insig. | 34 | 45 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_00790 | | two-component response regulator PilR | strong | 33 | 48 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS56175 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 33 | 48 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2220 | | Nitrogen regulation protein NR(I) | strong | 31 | 50 |
| | Dechlorosoma suillum PS | Dsui_3486 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 35 | 44 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS27690 | | response regulator | no data | 33 | 50 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS27690 | | response regulator | insig. | 33 | 50 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4751 | | response regulator | insig. | 33 | 50 |
| | Shewanella oneidensis MR-1 | SO3230 | flrC | flagellar regulatory protein C (NCBI ptt file) | cofit | 32 | 47 |
| | Klebsiella michiganensis M5al | BWI76_RS00385 | | nitrogen assimilation regulatory protein | strong | 31 | 49 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2549 | | response regulator receiver sensor signal transduction histidine kinase (RefSeq) | insig. | 39 | 42 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_25855 | | DNA-binding response regulator | sig. | 36 | 44 |
| | Pseudomonas stutzeri RCH2 | Psest_4132 | | alpha-ketoglutarate DNA-binding response regulator (mifR) (from data) | strong | 34 | 44 |
| | Pseudomonas simiae WCS417 | PS417_03070 | | LuxR family transcriptional regulator | sig. | 32 | 45 |
| | Serratia liquefaciens MT49 | IAI46_24960 | | nitrogen regulation protein NR(I) | strong | 31 | 51 |
| | Pseudomonas sp. BP01 | JOY50_RS00695 | | sigma-54 dependent transcriptional regulator | insig. | 38 | 39 |
| | Pseudomonas putida KT2440 | PP_4371 | | two component system AtoC DNA-binding transcriptional activator | strong | 35 | 43 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1081 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 33 | 43 |
| | Sphingobium sp. HT1-2 | GFF1146 | | NtrX | no data | 33 | 54 |
| | Pseudomonas orientalis W4I3 | QF045_RS00455 | | response regulator | insig. | 33 | 51 |
| | Erwinia tracheiphila SCR3 | LU632_RS22135 | glnG | nitrogen regulation protein NR(I) | strong | 31 | 50 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_09000 | | nitrogen regulation protein NR(I) | insig. | 30 | 49 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS22480 | glnG;go_function=sequence-specific | nitrogen regulation protein NR(I) | insig. | 30 | 49 |
| | Pectobacterium carotovorum WPP14 | HER17_RS05925 | | two-component system response regulator GlrR | cofit | 35 | 44 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0271 | | response regulator (TIGR) | insig. | 38 | 45 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01060 | | ATPase AAA | insig. | 34 | 43 |
| | Sinorhizobium meliloti 1021 | SM_b20613 | | C4-dicarboxylate transport transcriptional regulator | strong | 33 | 44 |
| | Shewanella oneidensis MR-1 | SO3138 | dctD | C4-dicarboxylate transport transcriptional regulatory protein (NCBI ptt file) | insig. | 33 | 45 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_08285 | glnG | nitrogen regulation protein NR(I) | cofit | 31 | 50 |
| | Dechlorosoma suillum PS | Dsui_1758 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 37 | 38 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2601 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 36 | 45 |
| | Agrobacterium fabrum C58 | Atu3764 | | sigma 54 dependent transcriptional activator | sig. | 35 | 48 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0722 | | Two-component response regulator PilR | insig. | 33 | 44 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0722 | | Two-component response regulator PilR | insig. | 33 | 44 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 32 | 44 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c13440 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | no data | 32 | 43 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS03150 | | response regulator transcription factor | insig. | 31 | 45 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS03150 | | response regulator transcription factor | sig. | 31 | 45 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_14095 | | response regulator | no data | 31 | 50 |
| | Azospirillum sp. SherDot2 | MPMX19_04701 | | Transcriptional regulatory protein FixJ | insig. | 39 | 46 |
| | Rhodospirillum rubrum S1H | Rru_A2101 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 37 | 44 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1489 | | Type IV fimbriae expression regulatory protein PilR | insig. | 37 | 39 |
| | Pseudomonas sp. S08-1 | OH686_16390 | | Type IV fimbriae expression regulatory protein PilR | cofit | 36 | 39 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2394 | ntrC1 | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 36 | 46 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0332 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 36 | 46 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1461 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 35 | 46 |
| | Azospirillum sp. SherDot2 | MPMX19_03597 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 34 | 44 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_685 | | Nitrogen regulation protein NR(I) | no data | 33 | 48 |
| | Pseudomonas putida KT2440 | PP_0574 | | DNA-binding response regulator, LuxR family | strong | 32 | 45 |
| | Shewanella sp. ANA-3 | Shewana3_1412 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | cofit | 32 | 45 |
| | Shewanella loihica PV-4 | Shew_0609 | | two component LuxR family transcriptional regulator (RefSeq) | insig. | 35 | 45 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_4074 | | two component transcriptional regulator, LuxR family | insig. | 35 | 43 |
| | Agrobacterium fabrum C58 | Atu0114 | | two component response regulator | insig. | 35 | 45 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0539 | | sigma-54 dependent DNA-binding response regulator (TIGR) | sig. | 34 | 45 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_17700 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 33 | 48 |
| | Rhizobium sp. OAE497 | ABIE40_RS14675 | | response regulator transcription factor | insig. | 37 | 43 |
| | Caulobacter crescentus NA1000 | CCNA_00795 | | two-component response regulator FixJ | strong | 35 | 45 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00795 | | two-component response regulator FixJ | cofit | 35 | 45 |
| | Dickeya dadantii 3937 | DDA3937_RS15640 | | two-component system response regulator GlrR | cofit | 34 | 44 |
| | Pseudomonas segetis P6 | ACVTMO_RS19460 | | sigma-54-dependent transcriptional regulator | cofit | 32 | 51 |
| | Pseudomonas sp. SVBP6 | COO64_RS21290 | | sigma-54 dependent transcriptional regulator | insig. | 37 | 39 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS08380 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 33 | 51 |
| | Marinobacter adhaerens HP15 | HP15_1054 | | multi-sensor signal transduction histidine kinase | strong | 32 | 49 |
| | Shewanella sp. ANA-3 | Shewana3_1340 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 32 | 47 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS25025 | pprB;inference=COORDINATES | two-component response regulator PprB | sig. | 31 | 42 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_02630 | | two-component response regulator PprB | sig. | 31 | 42 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS57480 | pprB;inference=COORDINATES | two-component response regulator PprB | cofit | 31 | 42 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1991 | | response regulator receiver protein (RefSeq) | no data | 35 | 48 |
| | Paraburkholderia graminis OAS925 | ABIE53_001365 | | DNA-binding NtrC family response regulator | strong | 38 | 43 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS00190 | | response regulator transcription factor EsaR | no data | 35 | 43 |
| | Pseudomonas orientalis W4I3 | QF045_RS24815 | | sigma-54 dependent transcriptional regulator | insig. | 35 | 43 |
| | Pseudomonas stutzeri RCH2 | Psest_0705 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 33 | 45 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1635 | | two-component system sensor histidine kinase/response regulator, hybrid ('one-component system') (NCBI ptt file) | insig. | 32 | 50 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_17800 | | C4-dicarboxylate ABC transporter | strong | 36 | 43 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS14835 | | two-component system response regulator GlrR | cofit | 34 | 44 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS23710 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 33 | 48 |
| | Pseudomonas sp. BP01 | JOY50_RS23205 | | response regulator transcription factor | insig. | 32 | 44 |
| | Pseudomonas simiae WCS417 | PS417_26050 | | response regulator | sig. | 32 | 51 |
| | Alteromonas macleodii MIT1002 | MIT1002_03186 | | Nitrogen regulation protein NR(I) | strong | 30 | 50 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1223 | | anti-sigma-factor antagonist (RefSeq) | sig. | 37 | 43 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04682 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | cofit | 35 | 43 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS24790 | | sigma-54 dependent transcriptional regulator | cofit | 37 | 43 |
| | Agrobacterium fabrum C58 | Atu2419 | | transcriptional regulator, LuxR family | insig. | 37 | 40 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS25855 | | sigma-54 dependent transcriptional regulator | strong | 33 | 44 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS58285 | | sigma-54 dependent transcriptional regulator | strong | 33 | 44 |
| | Pseudomonas sp. DMC3 | GFF4000 | | Regulatory protein AtoC | cofit | 36 | 39 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS07795 | | SpoIIE family protein phosphatase | no data | 36 | 43 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS07795 | | SpoIIE family protein phosphatase | no data | 36 | 43 |
| | Pseudomonas orientalis W4I3 | QF045_RS21945 | | sigma-54 dependent transcriptional regulator | insig. | 34 | 50 |
| | Dechlorosoma suillum PS | Dsui_2360 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 33 | 49 |
| | Pseudomonas sp. SVBP6 | COO64_RS22765 | | response regulator | insig. | 33 | 46 |
| | Alteromonas macleodii MIT1002 | MIT1002_03637 | | Hydrogenase transcriptional regulatory protein hupR1 | insig. | 30 | 43 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5487 | | Nitrogen regulation protein NR(I) | strong | 36 | 43 |
| | Pantoea sp. MT58 | IAI47_04945 | | two-component system response regulator GlrR | sig. | 34 | 44 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0679 | luxO | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 34 | 46 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3074 | | response regulator receiver modulated metal dependent phosphohydrolase (RefSeq) | cofit | 34 | 49 |
| | Shewanella amazonensis SB2B | Sama_2213 | | response regulator receiver protein (RefSeq) | strong | 33 | 45 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_03805 | | C4-dicarboxylate ABC transporter | strong | 33 | 48 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_13785 | | LuxR family transcriptional regulator | insig. | 32 | 43 |
| | Azospirillum sp. SherDot2 | MPMX19_04512 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 32 | 56 |
| | Pectobacterium carotovorum WPP14 | HER17_RS21440 | | nitrogen regulation protein NR(I) | cofit | 31 | 50 |
| | Cellulophaga baltica 18 | M666_RS03195 | | sigma-54 dependent transcriptional regulator | insig. | 31 | 44 |
| | Erwinia amylovora T8 | OLJFJH_10330 | | two-component system response regulator QseF/GlrR | cofit | 35 | 45 |
| | Pseudomonas sp. BP01 | JOY50_RS14530 | | sigma-54 dependent transcriptional regulator | insig. | 34 | 43 |
| | Shewanella amazonensis SB2B | Sama_3427 | | response regulator receiver protein (RefSeq) | strong | 33 | 48 |
| | Shewanella loihica PV-4 | Shew_1364 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 32 | 49 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 31 | 44 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_03845 | | Fis family transcriptional regulator | cofit | 38 | 39 |
| | Pseudomonas stutzeri RCH2 | Psest_2710 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | no data | 38 | 43 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS05575 | | Fis family transcriptional regulator | strong | 37 | 43 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00240 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | strong | 37 | 43 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_14200 | | transcriptional regulator | insig. | 36 | 39 |
| | Rhizobium sp. OAE497 | ABIE40_RS23715 | | response regulator | insig. | 35 | 57 |
| | Pseudomonas simiae WCS417 | PS417_22645 | | C4-dicarboxylate ABC transporter | sig. | 34 | 43 |
| | Pseudomonas segetis P6 | ACVTMO_RS09490 | rssB | two-component system response regulator RssB | no data | 34 | 43 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_05330 | | Regulatory protein AtoC | insig. | 32 | 51 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS04170 | | response regulator transcription factor | no data | 32 | 53 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1988 | | response regulator receiver protein (RefSeq) | sig. | 31 | 44 |
| | Pseudomonas sp. SVBP6 | COO64_RS18480 | | response regulator transcription factor | insig. | 31 | 46 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_10660 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 30 | 47 |
| | Klebsiella michiganensis M5al | BWI76_RS21250 | | two-component system response regulator GlrR | strong | 36 | 44 |
| | Dinoroseobacter shibae DFL-12 | Dshi_2568 | | two component transcriptional regulator, LuxR family (RefSeq) | cofit | 33 | 42 |
| | Dechlorosoma suillum PS | Dsui_0135 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 33 | 44 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_13010 | | DNA-binding response regulator | sig. | 31 | 58 |
| | Variovorax sp. OAS795 | ABID97_RS06460 | | sigma 54-interacting transcriptional regulator | cofit | 29 | 69 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS03060 | | SpoIIE family protein phosphatase | no data | 36 | 43 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS32530 | rssB;go_process=phosphorelay | two-component system response regulator RssB | no data | 36 | 43 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS16305 | | sigma-54 dependent transcriptional regulator | insig. | 34 | 43 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_13865 | | nitrogen regulation protein NR(I) | insig. | 34 | 45 |
| | Variovorax sp. SCN45 | GFF7323 | | Transcriptional response regulatory protein GlrR | insig. | 29 | 69 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0135 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | no data | 36 | 43 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_14160 | | fused response regulator/phosphatase | no data | 36 | 43 |
| | Shewanella oneidensis MR-1 | SO4637 | | DNA-binding response regulator (NCBI ptt file) | insig. | 36 | 41 |
| | Serratia liquefaciens MT49 | IAI46_04860 | | response regulator transcription factor | sig. | 35 | 43 |
| | Mycobacterium tuberculosis H37Rv | Rv0757 | | Possible two component system response transcriptional positive regulator PhoP | sig. | 35 | 44 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04161 | | Regulatory protein AtoC | cofit | 34 | 45 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1806 | | Nitrogen regulation protein NR(I) | strong | 34 | 46 |