| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Marinobacter adhaerens HP15 | HP15_2011 | | two component, sigma54 specific, transcriptional regulator, Fis family | insig. | 100 | 100 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 47 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 46 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1461 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 46 | 97 |
| o | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_0196 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 44 | 97 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2934 | ntrX | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 45 | 95 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 43 | 98 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 43 | 98 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 43 | 98 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 43 | 98 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 43 | 98 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 43 | 98 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_04380 | | response regulator | strong | 44 | 95 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 43 | 97 |
| o | Pseudomonas stutzeri RCH2 | Psest_3911 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 43 | 97 |
| | Pseudomonas sp. S08-1 | OH686_10640 | | nitrogen regulation protein NR(I) | cofit | 43 | 99 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_05364 | ntrC | two-component system response regulator NtrC | strong | 41 | 98 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_27895 | | two-component system response regulator NtrC | sig. | 41 | 98 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_05441 | ntrC | two-component system response regulator NtrC | strong | 41 | 98 |
| | Dickeya dadantii 3937 | DDA3937_RS00125 | | nitrogen regulation protein NR(I) | cofit | 41 | 99 |
| | Dickeya dianthicola 67-19 | HGI48_RS21235 | | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Dickeya dianthicola ME23 | DZA65_RS22210 | | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Pseudomonas protegens RBAN4 | FABNJH_24715 | | Sigma-54-dependent Fis family transcriptional regulator | insig. | 42 | 97 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 42 | 99 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_347 | | Nitrogen regulation protein NR(I) | strong | 43 | 100 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS09195 | | Fis family transcriptional regulator | strong | 44 | 93 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 99 |
| | Serratia liquefaciens MT49 | IAI46_24960 | | nitrogen regulation protein NR(I) | strong | 42 | 100 |
| | Pectobacterium carotovorum WPP14 | HER17_RS21440 | | nitrogen regulation protein NR(I) | cofit | 41 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 43 | 98 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_09730 | | nitrogen regulation protein NR(I) | strong | 42 | 100 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3826 | | Nitrogen regulation protein NR(I) | strong | 42 | 100 |
| | Pseudomonas segetis P6 | ACVTMO_RS21260 | ntrC | nitrogen regulation protein NR(I) | strong | 41 | 100 |
| | Dechlorosoma suillum PS | Dsui_3286 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 45 | 93 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1611 | | Nitrogen regulation protein NR(I) | strong | 41 | 100 |
| | Pseudomonas protegens RBAN4 | FABNJH_01975 | ntrC | nitrogen regulation protein NR(I) | insig. | 41 | 100 |
| | Pseudomonas sp. RS175 | PFR28_04944 | | DNA-binding transcriptional regulator NtrC | strong | 41 | 100 |
| o | Magnetospirillum magneticum AMB-1 | AMB_RS11960 | | sigma-54-dependent Fis family transcriptional regulator | no data | 41 | 98 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_12145 | | nitrogen regulation protein NR(I) | strong | 41 | 100 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 42 | 99 |
| | Pseudomonas sp. DMC3 | GFF4081 | | DNA-binding transcriptional regulator NtrC | strong | 41 | 98 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS01685 | | nitrogen regulation protein NR(I) | sig. | 41 | 100 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS01685 | | nitrogen regulation protein NR(I) | strong | 41 | 100 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00547 | | DNA-binding transcriptional regulator NtrC | insig. | 41 | 100 |
| | Pseudomonas simiae WCS417 | PS417_01635 | | nitrogen regulation protein NR(I) | strong | 41 | 100 |
| | Pseudomonas sp. SVBP6 | COO64_RS13325 | ntrC | nitrogen regulation protein NR(I) | strong | 42 | 98 |
| | Pseudomonas orientalis W4I3 | QF045_RS04705 | | nitrogen regulation protein NR(I) | insig. | 41 | 100 |
| | Rahnella sp. WP5 | EX31_RS15880 | | nitrogen regulation protein NR(I) | strong | 42 | 100 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4822 | | Helix-turn-helix, Fis-type:Nitrogen regulation protein NR(I) | sig. | 40 | 100 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4822 | | Helix-turn-helix, Fis-type:Nitrogen regulation protein NR(I) | no data | 40 | 100 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 99 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 99 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 42 | 99 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2220 | | Nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 42 | 99 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 98 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 42 | 98 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18445 | | chemotaxis protein CheY | insig. | 44 | 94 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 42 | 97 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 42 | 98 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 44 | 93 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 98 |
| | Escherichia coli ECRC100 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 41 | 98 |
| | Escherichia coli BL21 | ECD_03753 | | fused DNA-binding response regulator in two-component regulatory system with GlnL: response regulator/sigma54 interaction protein | insig. | 41 | 99 |
| | Escherichia coli ECOR27 | NOLOHH_06240 | glnG | nitrogen regulation protein NR(I) | insig. | 41 | 99 |
| | Escherichia coli ECRC100 | OKFHMN_14110 | glnG | nitrogen regulation protein NR(I) | insig. | 41 | 99 |
| | Escherichia coli ECRC101 | MCAODC_04610 | glnG | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Escherichia coli ECRC102 | NIAGMN_11865 | glnG | nitrogen regulation protein NR(I) | insig. | 41 | 99 |
| | Escherichia coli ECRC98 | JDDGAC_17735 | glnG | nitrogen regulation protein NR(I) | no data | 41 | 99 |
| | Escherichia coli ECRC99 | KEDOAH_14040 | glnG | nitrogen regulation protein NR(I) | no data | 41 | 99 |
| | Escherichia coli BW25113 | b3868 | glnG | fused DNA-binding response regulator in two-component regulatory system with GlnL: response regulator/sigma54 interaction protein (NCBI) | strong | 41 | 99 |
| | Escherichia fergusonii Becca | EFB2_04748 | | DNA-binding transcriptional regulator NtrC | strong | 41 | 99 |
| | Escherichia coli ECOR38 | HEPCGN_12740 | glnG | nitrogen regulation protein NR(I) | insig. | 41 | 99 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04184 | | DNA-binding transcriptional regulator NtrC | sig. | 41 | 99 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_09510 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 42 | 99 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 98 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 98 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 41 | 98 |
| | Escherichia coli ECRC62 | BNILDI_05290 | glnG | nitrogen regulation protein NR(I) | cofit | 41 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1260 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 42 | 98 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 42 | 98 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 98 |
| | Marinobacter adhaerens HP15 | HP15_425 | | two-component response regulator NtrC | strong | 41 | 98 |
| | Cellulophaga baltica 18 | M666_RS19210 | | sigma-54 dependent transcriptional regulator | insig. | 42 | 93 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 41 | 98 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 98 |
| | Erwinia amylovora T8 | OLJFJH_05495 | | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Pseudomonas sp. BP01 | JOY50_RS09450 | ntrC | nitrogen regulation protein NR(I) | cofit | 41 | 98 |
| | Pseudomonas putida KT2440 | PP_5048 | | two-component system DNA-binding transcriptional dual regulator GlnL/GlnG | strong | 41 | 98 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1419 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 43 | 99 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4350 | | nitrogen regulation protein NR(I) | insig. | 41 | 100 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 98 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_08285 | glnG | nitrogen regulation protein NR(I) | cofit | 41 | 100 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS22295 | | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Enterobacter sp. TBS_079 | MPMX20_04597 | | DNA-binding transcriptional regulator NtrC | strong | 41 | 100 |
| | Azospirillum sp. SherDot2 | MPMX19_02733 | | Regulatory protein LuxO | insig. | 40 | 98 |
| | Erwinia tracheiphila SCR3 | LU632_RS22135 | glnG | nitrogen regulation protein NR(I) | strong | 41 | 100 |
| | Pseudomonas stutzeri RCH2 | Psest_3932 | | nitrogen regulation protein NR(I) | strong | 40 | 98 |
| | Acinetobacter radioresistens SK82 | MPMX26_01292 | | DNA-binding transcriptional regulator NtrC | strong | 40 | 98 |
| | Klebsiella michiganensis M5al | BWI76_RS00385 | | nitrogen assimilation regulatory protein | strong | 41 | 99 |
| | Azospirillum sp. SherDot2 | MPMX19_03461 | | Regulatory protein AtoC | insig. | 39 | 99 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_13865 | | nitrogen regulation protein NR(I) | insig. | 40 | 98 |
| | Shewanella sp. ANA-3 | Shewana3_2016 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | insig. | 39 | 97 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0700 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 42 | 97 |
| | Pantoea sp. MT58 | IAI47_00450 | | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_09000 | | nitrogen regulation protein NR(I) | insig. | 41 | 99 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS00435 | glnG | nitrogen regulation protein NR(I) | strong | 41 | 99 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS01040 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 40 | 98 |
| | Rhodospirillum rubrum S1H | Rru_A1680 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | no data | 42 | 98 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_04967 | glnG | nitrogen regulation protein NR(I) | insig. | 40 | 99 |
| | Azospirillum brasilense Sp245 | AZOBR_RS26130 | | ATPase AAA | insig. | 43 | 90 |
| | Shewanella amazonensis SB2B | Sama_1549 | | response regulator receiver protein (RefSeq) | insig. | 43 | 94 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS10015 | | sigma-54 dependent transcriptional regulator | sig. | 43 | 93 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0215 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 43 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 42 | 97 |
| | Rhodospirillum rubrum S1H | Rru_A1385 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | cofit | 41 | 97 |
| | Pseudomonas putida KT2440 | PP_3419 | | Sigma-54 dependent transcriptional regulator/response regulator | sig. | 41 | 96 |
| | Azospirillum brasilense Sp245 | AZOBR_RS14440 | | ATPase AAA | no data | 41 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0670 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 41 | 95 |
| | Shewanella oneidensis MR-1 | SO4472 | ntrC | nitrogen regulation protein NR(I) (NCBI ptt file) | strong | 40 | 98 |
| | Sinorhizobium meliloti 1021 | SMc01045 | | nitrogen regulation protein | no data | 39 | 99 |
| | Alteromonas macleodii MIT1002 | MIT1002_01326 | | Quorum-sensing regulator protein F | insig. | 40 | 94 |
| | Azospirillum sp. SherDot2 | MPMX19_01114 | | Regulatory protein AtoC | no data | 41 | 98 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS12650 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 97 |
| | Methylophilus sp. DMC18 | GFF2024 | | DNA-binding transcriptional regulator NtrC | strong | 40 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2601 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 39 | 97 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5269 | | Nitrogen regulation protein NR(I) | insig. | 41 | 97 |
| | Pseudomonas sp. BP01 | JOY50_RS23625 | | sigma-54 dependent transcriptional regulator | no data | 41 | 96 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS13700 | | Fis family transcriptional regulator | insig. | 41 | 97 |
| | Alteromonas macleodii MIT1002 | MIT1002_03186 | | Nitrogen regulation protein NR(I) | strong | 39 | 98 |
| | Shewanella sp. ANA-3 | Shewana3_0258 | | nitrogen metabolism transcriptional regulator, NtrC, Fis family (RefSeq) | strong | 39 | 98 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS14380 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 99 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS01750 | | sigma-54 dependent transcriptional regulator | strong | 44 | 97 |
| | Shewanella loihica PV-4 | Shew_2341 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | insig. | 42 | 93 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_04951 | cbrB | two-component system response regulator CbrB | strong | 41 | 96 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_29980 | | two-component system response regulator CbrB | strong | 41 | 96 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_05028 | cbrB | two-component system response regulator CbrB | strong | 41 | 96 |
| | Shewanella oneidensis MR-1 | SO3138 | dctD | C4-dicarboxylate transport transcriptional regulatory protein (NCBI ptt file) | insig. | 42 | 95 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS17870 | | Fis family transcriptional regulator | insig. | 41 | 97 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23315 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 98 |
| | Ralstonia solanacearum GMI1000 | RS_RS25105 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 40 | 98 |
| | Ralstonia solanacearum UW163 | UW163_RS16565 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 98 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_05195 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 41 | 91 |
| | Ralstonia solanacearum GMI1000 | RS_RS06320 | | nitrogen regulation protein NR(I) | no data | 39 | 99 |
| | Acinetobacter baumannii LAC-4 | RR41_RS08030 | | nitrogen regulation protein NR(I) | insig. | 38 | 99 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0118 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 41 | 99 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS23515 | | sigma-54 dependent transcriptional regulator | strong | 40 | 98 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1195 | | Sigma-54 dependent response regulator | insig. | 40 | 98 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS07835 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 98 |
| | Agrobacterium fabrum C58 | Atu1448 | | two component response regulator | no data | 38 | 99 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 40 | 98 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS15540 | | nitrogen regulation protein NR(I) | no data | 39 | 99 |
| | Ralstonia solanacearum UW163 | UW163_RS13000 | | nitrogen regulation protein NR(I) | no data | 39 | 99 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 42 | 95 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2109 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 41 | 97 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_04748 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 40 | 97 |
| | Shewanella sp. ANA-3 | Shewana3_1412 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | cofit | 42 | 95 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0137 | | nitrogen regulation protein NR(I) | strong | 42 | 96 |
| | Methylophilus sp. DMC18 | GFF1277 | | Regulatory protein AtoC | insig. | 41 | 93 |
| | Azospirillum sp. SherDot2 | MPMX19_06089 | | Regulatory protein LuxO | insig. | 41 | 97 |
| | Shewanella sp. ANA-3 | Shewana3_4076 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | cofit | 41 | 94 |
| | Caulobacter crescentus NA1000 | CCNA_03424 | | AAA-family response regulator tacA | strong | 41 | 94 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03424 | | AAA-family response regulator tacA | cofit | 41 | 94 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1572 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 40 | 96 |
| | Variovorax sp. SCN45 | GFF3066 | | Nitrogen regulation protein NR(I), GlnG (=NtrC) | no data | 40 | 97 |
| | Dechlorosoma suillum PS | Dsui_1051 | | nitrogen regulation protein NR(I) | strong | 40 | 98 |
| | Pseudomonas stutzeri RCH2 | Psest_0999 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 40 | 96 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09115 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 94 |
| | Shewanella amazonensis SB2B | Sama_3427 | | response regulator receiver protein (RefSeq) | strong | 40 | 98 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00240 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | strong | 39 | 99 |
| | Paraburkholderia graminis OAS925 | ABIE53_001365 | | DNA-binding NtrC family response regulator | strong | 39 | 99 |
| | Shewanella loihica PV-4 | Shew_3561 | | nitrogen metabolism transcriptional regulator, NtrC, Fis family (RefSeq) | strong | 39 | 98 |
| | Rhodopseudomonas palustris CGA009 | TX73_013430 | | sigma-54 dependent transcriptional regulator | no data | 38 | 98 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 39 | 97 |
| | Cellulophaga baltica 18 | M666_RS02825 | | sigma-54 dependent transcriptional regulator | strong | 39 | 97 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS15680 | | chemotaxis protein CheY | strong | 39 | 99 |
| | Ralstonia solanacearum GMI1000 | RS_RS14035 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 97 |
| | Shewanella oneidensis MR-1 | SO4718 | | sigma-54 dependent response regulator (NCBI ptt file) | sig. | 41 | 94 |
| | Rhodospirillum rubrum S1H | Rru_A3104 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 40 | 97 |
| | Pseudomonas sp. S08-1 | OH686_17260 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 40 | 98 |
| | Marinobacter adhaerens HP15 | HP15_725 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 41 | 95 |
| o | Sphingobium sp. HT1-2 | GFF1146 | | NtrX | no data | 40 | 97 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS05575 | | Fis family transcriptional regulator | strong | 39 | 99 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01060 | | ATPase AAA | insig. | 38 | 97 |
| | Pseudomonas protegens RBAN4 | FABNJH_26640 | atoC | DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, and a Fis-type DNA-binding domains | strong | 39 | 98 |
| | Alteromonas macleodii MIT1002 | MIT1002_03048 | | Transcriptional regulatory protein ZraR | insig. | 39 | 97 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS11070 | | nitrogen regulation protein NR(I) | strong | 38 | 99 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS17815 | | nitrogen regulation protein NR(I) | insig. | 38 | 99 |
| | Shewanella amazonensis SB2B | Sama_0125 | | response regulator receiver protein (RefSeq) | strong | 40 | 94 |
| | Variovorax sp. OAS795 | ABID97_RS09945 | | nitrogen regulation protein NR(I) | cofit | 40 | 97 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0135 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | no data | 39 | 97 |
| | Pseudomonas protegens RBAN4 | FABNJH_24290 | dctD | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 43 | 95 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4079 | | Nitrogen regulation protein NtrX | insig. | 41 | 98 |
| | Pseudomonas sp. SVBP6 | COO64_RS15090 | | sigma-54 dependent transcriptional regulator | strong | 40 | 98 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS24790 | | sigma-54 dependent transcriptional regulator | cofit | 38 | 99 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 40 | 97 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS11155 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 41 | 97 |
| | Paraburkholderia graminis OAS925 | ABIE53_002804 | | two-component system nitrogen regulation response regulator GlnG | strong | 38 | 97 |
| | Pseudomonas stutzeri RCH2 | Psest_4132 | | alpha-ketoglutarate DNA-binding response regulator (mifR) (from data) | strong | 43 | 92 |
| | Lysobacter sp. OAE881 | ABIE51_RS01360 | | nitrogen regulation protein NR(I) | cofit | 40 | 96 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS16810 | | Fis family transcriptional regulator | strong | 39 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2843 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | cofit | 39 | 97 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4432 | | Nitrogen regulation protein NR(I) | strong | 39 | 98 |
| | Variovorax sp. OAS795 | ABID97_RS06460 | | sigma 54-interacting transcriptional regulator | cofit | 41 | 95 |
| | Pseudomonas sp. BP01 | JOY50_RS27675 | | sigma-54 dependent transcriptional regulator | cofit | 39 | 98 |
| | Pseudomonas putida KT2440 | PP_4696 | | Nitrogen regulation protein NR(I) | strong | 39 | 98 |
| | Variovorax sp. SCN45 | GFF4432 | | Two-component system response regulator protein | strong | 37 | 97 |
| | Ralstonia solanacearum UW163 | UW163_RS07540 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 97 |
| | Shewanella loihica PV-4 | Shew_1442 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 41 | 93 |
| | Pseudomonas segetis P6 | ACVTMO_RS06070 | | sigma-54-dependent transcriptional regulator | no data | 40 | 94 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3635 | | Nitrogen regulation protein NR(I) | insig. | 40 | 96 |
| | Azospirillum sp. SherDot2 | MPMX19_04251 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 40 | 93 |
| | Agrobacterium fabrum C58 | Atu1446 | | two component response regulator | strong | 39 | 99 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0831 | | Two-component response regulator CbrB | sig. | 39 | 98 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0831 | | Two-component response regulator CbrB | no data | 39 | 98 |
| | Methylophilus sp. DMC18 | GFF1426 | | Transcriptional regulatory protein ZraR | insig. | 42 | 96 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01571 | | Sigma-54 interaction domain protein | insig. | 39 | 98 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00454 | | nitrogen metabolism transcriptional regulator, NtrC, Fis family | sig. | 38 | 97 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS06085 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 96 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF610 | | Putative sensory histidine kinase YfhA | insig. | 39 | 93 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS12935 | | chemotaxis protein CheY | strong | 38 | 97 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS05675 | | nitrogen regulation protein NR(I) | insig. | 38 | 98 |
| | Rhodospirillum rubrum S1H | Rru_A2158 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 38 | 98 |
| | Variovorax sp. SCN45 | GFF7323 | | Transcriptional response regulatory protein GlrR | insig. | 39 | 95 |
| | Xanthobacter sp. DMC5 | GFF2901 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 42 | 93 |
| | Dechlorosoma suillum PS | Dsui_2360 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 41 | 93 |
| | Shewanella loihica PV-4 | Shew_3682 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 40 | 94 |
| | Azospirillum brasilense Sp245 | AZOBR_RS21130 | | Fis family transcriptional regulator | insig. | 40 | 93 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2858 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 39 | 98 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS04160 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 39 | 97 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS17060 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 39 | 98 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS12980 | | chemotaxis protein CheY | strong | 39 | 97 |
| | Variovorax sp. OAS795 | ABID97_RS06415 | | sigma-54 dependent transcriptional regulator | strong | 39 | 97 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4019 | | Sigma-54 dependent transcriptional regulator | cofit | 38 | 96 |
| | Shewanella amazonensis SB2B | Sama_2213 | | response regulator receiver protein (RefSeq) | strong | 40 | 94 |
| | Xanthobacter sp. DMC5 | GFF845 | | DNA-binding transcriptional regulator NtrC | no data | 39 | 98 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS11070 | | sigma-54 dependent transcriptional regulator | cofit | 40 | 97 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07640 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 39 | 98 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 39 | 98 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 39 | 98 |
| | Rhizobium sp. OAE497 | ABIE40_RS09100 | | sigma-54 dependent transcriptional regulator | no data | 37 | 99 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2114 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 42 | 94 |
| | Marinobacter adhaerens HP15 | HP15_328 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 41 | 95 |
| | Rhizobium sp. OAE497 | ABIE40_RS09090 | | nitrogen regulation protein NR(I) | strong | 39 | 99 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2455 | | Putative sensory histidine kinase YfhA | strong | 39 | 96 |
| | Pseudomonas segetis P6 | ACVTMO_RS01055 | | sigma-54-dependent transcriptional regulator | insig. | 40 | 93 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_16075 | | Fis family transcriptional regulator | strong | 39 | 98 |
| | Pseudomonas sp. DMC3 | GFF4030 | | Transcriptional regulatory protein ZraR | strong | 39 | 98 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5156 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 39 | 98 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS43250 | | sigma-54 dependent transcriptional regulator | insig. | 38 | 98 |