| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas stutzeri RCH2 | Psest_0999 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 100 | 100 |
| o | Pseudomonas sp. S08-1 | OH686_17260 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 85 | 100 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5156 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 84 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_03718 | | Transcriptional regulatory protein ZraR | strong | 83 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04930 | | Transcriptional regulatory protein ZraR | cofit | 84 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS15090 | | sigma-54 dependent transcriptional regulator | strong | 84 | 100 |
| o | Pseudomonas sp. BP01 | JOY50_RS27675 | | sigma-54 dependent transcriptional regulator | cofit | 83 | 100 |
| o | Pseudomonas orientalis W4I3 | QF045_RS26155 | | sigma-54 dependent transcriptional regulator | strong | 84 | 100 |
| o | Pseudomonas putida KT2440 | PP_4696 | | Nitrogen regulation protein NR(I) | strong | 84 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_16075 | | Fis family transcriptional regulator | strong | 83 | 100 |
| o | Pseudomonas simiae WCS417 | PS417_23895 | | Fis family transcriptional regulator | no data | 84 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2858 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 84 | 100 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_14400 | | Fis family transcriptional regulator | strong | 83 | 100 |
| o | Pseudomonas sp. DMC3 | GFF4030 | | Transcriptional regulatory protein ZraR | strong | 83 | 100 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 84 | 100 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 84 | 100 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1524 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 85 | 99 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_0831 | | Two-component response regulator CbrB | sig. | 83 | 99 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0831 | | Two-component response regulator CbrB | no data | 83 | 99 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS09370 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 84 | 100 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_29980 | | two-component system response regulator CbrB | strong | 84 | 100 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS52660 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 84 | 100 |
| o | Pseudomonas segetis P6 | ACVTMO_RS06070 | | sigma-54-dependent transcriptional regulator | no data | 83 | 100 |
| o | Marinobacter adhaerens HP15 | HP15_328 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 65 | 99 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 43 | 97 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 97 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 43 | 97 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 97 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 43 | 97 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 43 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 43 | 97 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 43 | 97 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 97 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 43 | 97 |
| o | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4656 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 37 | 98 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 42 | 98 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 42 | 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. | 42 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 44 | 97 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 97 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 42 | 98 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 42 | 98 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 42 | 98 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 42 | 99 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 97 |
| o | Shewanella loihica PV-4 | Shew_2341 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | insig. | 45 | 81 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 97 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 97 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 42 | 97 |
| | Escherichia coli ECRC100 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 42 | 97 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 97 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 39 | 98 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1260 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 47 | 80 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 42 | 97 |
| | Dechlorosoma suillum PS | Dsui_0135 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 41 | 98 |
| | Serratia liquefaciens MT49 | IAI46_24960 | | nitrogen regulation protein NR(I) | strong | 46 | 80 |
| | Rahnella sp. WP5 | EX31_RS15880 | | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01779 | | DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, and a Fis-type DNA-binding domains | insig. | 41 | 98 |
| | Pseudomonas sp. BP01 | JOY50_RS23625 | | sigma-54 dependent transcriptional regulator | no data | 40 | 98 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 41 | 98 |
| | Pseudomonas putida KT2440 | PP_3419 | | Sigma-54 dependent transcriptional regulator/response regulator | sig. | 40 | 98 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS30045 | | ATPase AAA | insig. | 40 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS00385 | | nitrogen assimilation regulatory protein | strong | 40 | 97 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_26000 | | sigma-54-dependent response regulator transcription factor AlgB | sig. | 40 | 97 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 41 | 98 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS25715 | algB;inference=COORDINATES | sigma-54-dependent response regulator transcription factor AlgB | cofit | 40 | 97 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS58145 | algB;inference=COORDINATES | sigma-54-dependent response regulator transcription factor AlgB | sig. | 40 | 97 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 45 | 80 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_09000 | | nitrogen regulation protein NR(I) | insig. | 45 | 80 |
| | Dickeya dianthicola 67-19 | HGI48_RS21235 | | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Dickeya dianthicola ME23 | DZA65_RS22210 | | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 40 | 98 |
| | Dickeya dadantii 3937 | DDA3937_RS00125 | | nitrogen regulation protein NR(I) | cofit | 45 | 80 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 98 |
| | Pseudomonas sp. SVBP6 | COO64_RS21290 | | sigma-54 dependent transcriptional regulator | insig. | 44 | 81 |
| | Erwinia amylovora T8 | OLJFJH_05495 | | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Pseudomonas sp. SVBP6 | COO64_RS07975 | | sigma-54 dependent transcriptional regulator | insig. | 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. | 45 | 80 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18445 | | chemotaxis protein CheY | insig. | 46 | 80 |
| | Azospirillum brasilense Sp245 | AZOBR_RS14430 | | chemotaxis protein CheY | strong | 42 | 93 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0700 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 41 | 97 |
| o | Cellulophaga baltica 18 | M666_RS03195 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 82 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 98 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 98 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4350 | | nitrogen regulation protein NR(I) | insig. | 45 | 80 |
| | Dechlorosoma suillum PS | Dsui_3286 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 45 | 80 |
| | Enterobacter sp. TBS_079 | MPMX20_04597 | | DNA-binding transcriptional regulator NtrC | strong | 45 | 80 |
| | Methylophilus sp. DMC18 | GFF1426 | | Transcriptional regulatory protein ZraR | insig. | 41 | 98 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_08285 | glnG | nitrogen regulation protein NR(I) | cofit | 45 | 80 |
| | Pantoea sp. MT58 | IAI47_00450 | | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS18895 | | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 38 | 98 |
| | Escherichia fergusonii Becca | EFB2_04748 | | DNA-binding transcriptional regulator NtrC | strong | 45 | 80 |
| | Escherichia coli ECOR27 | NOLOHH_06240 | glnG | nitrogen regulation protein NR(I) | insig. | 45 | 80 |
| | Escherichia coli ECOR38 | HEPCGN_12740 | glnG | nitrogen regulation protein NR(I) | insig. | 45 | 80 |
| | Escherichia coli ECRC100 | OKFHMN_14110 | glnG | nitrogen regulation protein NR(I) | insig. | 45 | 80 |
| | Escherichia coli ECRC101 | MCAODC_04610 | glnG | nitrogen regulation protein NR(I) | strong | 45 | 80 |
| | Escherichia coli ECRC102 | NIAGMN_11865 | glnG | nitrogen regulation protein NR(I) | insig. | 45 | 80 |
| | Escherichia coli ECRC62 | BNILDI_05290 | glnG | nitrogen regulation protein NR(I) | cofit | 45 | 80 |
| | Escherichia coli ECRC98 | JDDGAC_17735 | glnG | nitrogen regulation protein NR(I) | no data | 45 | 80 |