| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Azospirillum sp. SherDot2 | MPMX19_06089 | | Regulatory protein LuxO | insig. | 100 | 100 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS26130 | | ATPase AAA | insig. | 61 | 97 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01060 | | ATPase AAA | insig. | 58 | 95 |
| | Azospirillum sp. SherDot2 | MPMX19_02733 | | Regulatory protein LuxO | insig. | 58 | 95 |
| | Shewanella sp. ANA-3 | Shewana3_2016 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | insig. | 52 | 96 |
| | Rhodospirillum rubrum S1H | Rru_A2158 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 57 | 94 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_05195 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 55 | 94 |
| | Rhodospirillum rubrum S1H | Rru_A2101 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 53 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | cofit | 51 | 94 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 43 | 95 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 41 | 95 |
| | Rhodopseudomonas palustris CGA009 | TX73_021705 | | sigma-54 dependent transcriptional regulator | sig. | 42 | 94 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09115 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 94 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 40 | 95 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 40 | 95 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 40 | 95 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 40 | 95 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 40 | 95 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 40 | 95 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0946 | | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 40 | 96 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 40 | 95 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 40 | 96 |
| | Caulobacter crescentus NA1000 | CCNA_03424 | | AAA-family response regulator tacA | strong | 38 | 96 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03424 | | AAA-family response regulator tacA | cofit | 38 | 96 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 39 | 95 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 43 | 96 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 42 | 95 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2934 | ntrX | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 40 | 92 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 94 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 95 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 40 | 95 |
| | Variovorax sp. SCN45 | GFF3669 | | Two-component system response regulator protein | no data | 43 | 94 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 41 | 94 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 94 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 41 | 94 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 41 | 94 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2601 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 41 | 94 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 41 | 94 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 41 | 96 |
| | Pseudomonas stutzeri RCH2 | Psest_3911 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 41 | 94 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 94 |
| | Methylophilus sp. DMC18 | GFF1426 | | Transcriptional regulatory protein ZraR | insig. | 42 | 94 |
| | Bosea sp. OAE506 | ABIE41_RS06145 | | sigma-54 dependent transcriptional regulator | sig. | 42 | 88 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3635 | | Nitrogen regulation protein NR(I) | insig. | 41 | 94 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 94 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 94 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 94 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 41 | 94 |
| | Escherichia coli ECRC100 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 41 | 94 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 39 | 95 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0137 | | nitrogen regulation protein NR(I) | strong | 41 | 96 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 40 | 94 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 40 | 94 |
| | Dickeya dianthicola 67-19 | HGI48_RS21235 | | nitrogen regulation protein NR(I) | strong | 42 | 88 |
| | Dickeya dianthicola ME23 | DZA65_RS22210 | | nitrogen regulation protein NR(I) | strong | 42 | 88 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 40 | 94 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_04380 | | response regulator | strong | 43 | 78 |
| | Dickeya dadantii 3937 | DDA3937_RS00125 | | nitrogen regulation protein NR(I) | cofit | 42 | 88 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_16520 | | DNA-binding response regulator | insig. | 39 | 95 |
| | Paraburkholderia graminis OAS925 | ABIE53_001365 | | DNA-binding NtrC family response regulator | strong | 42 | 88 |
| | Ralstonia solanacearum GMI1000 | RS_RS25105 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 38 | 97 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00240 | | two component, sigma54 specific, transcriptional regulator, NtrC subfamily, Fis family | strong | 42 | 88 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS07835 | | sigma-54-dependent Fis family transcriptional regulator | strong | 38 | 97 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1360 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 46 | 74 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 41 | 94 |
| | Pectobacterium carotovorum WPP14 | HER17_RS21440 | | nitrogen regulation protein NR(I) | cofit | 42 | 88 |
| | Escherichia fergusonii Becca | EFB2_04748 | | DNA-binding transcriptional regulator NtrC | strong | 41 | 90 |
| | Enterobacter sp. TBS_079 | MPMX20_04597 | | DNA-binding transcriptional regulator NtrC | strong | 42 | 88 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4350 | | nitrogen regulation protein NR(I) | insig. | 42 | 88 |
| | Dechlorosoma suillum PS | Dsui_2360 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 42 | 95 |
| | Escherichia coli BL21 | ECD_03753 | | fused DNA-binding response regulator in two-component regulatory system with GlnL: response regulator/sigma54 interaction protein | insig. | 42 | 90 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23315 | | sigma-54-dependent Fis family transcriptional regulator | strong | 41 | 85 |
| | Ralstonia solanacearum UW163 | UW163_RS16565 | | sigma-54-dependent Fis family transcriptional regulator | strong | 41 | 85 |
| | Escherichia coli ECRC62 | BNILDI_05290 | glnG | nitrogen regulation protein NR(I) | cofit | 42 | 90 |
| | Escherichia coli ECOR27 | NOLOHH_06240 | glnG | nitrogen regulation protein NR(I) | insig. | 42 | 90 |
| | Escherichia coli ECRC100 | OKFHMN_14110 | glnG | nitrogen regulation protein NR(I) | insig. | 42 | 90 |
| | Escherichia coli ECRC101 | MCAODC_04610 | glnG | nitrogen regulation protein NR(I) | strong | 42 | 90 |
| | Escherichia coli ECRC102 | NIAGMN_11865 | glnG | nitrogen regulation protein NR(I) | insig. | 42 | 90 |
| | Escherichia coli ECRC98 | JDDGAC_17735 | glnG | nitrogen regulation protein NR(I) | insig. | 42 | 90 |
| | Escherichia coli ECRC99 | KEDOAH_14040 | glnG | nitrogen regulation protein NR(I) | no data | 42 | 90 |
| | Escherichia coli BW25113 | b3868 | glnG | fused DNA-binding response regulator in two-component regulatory system with GlnL: response regulator/sigma54 interaction protein (NCBI) | strong | 42 | 90 |
| | Escherichia coli ECOR38 | HEPCGN_12740 | glnG | nitrogen regulation protein NR(I) | insig. | 42 | 90 |
| | Erwinia tracheiphila SCR3 | LU632_RS22135 | glnG | nitrogen regulation protein NR(I) | strong | 41 | 88 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 38 | 94 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS05575 | | Fis family transcriptional regulator | strong | 42 | 88 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS43250 | | sigma-54 dependent transcriptional regulator | insig. | 42 | 87 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04184 | | DNA-binding transcriptional regulator NtrC | insig. | 41 | 90 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_09510 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 39 | 94 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1461 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 45 | 80 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2220 | | Nitrogen regulation protein NR(I) | strong | 42 | 90 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS24790 | | sigma-54 dependent transcriptional regulator | cofit | 42 | 87 |
| | Pseudomonas sp. BP01 | JOY50_RS14825 | | sigma-54 dependent transcriptional regulator | insig. | 42 | 85 |
| | Pseudomonas putida KT2440 | PP_1066 | | C4-dicarboxylate transport transcriptional regulatory protein | strong | 42 | 85 |
| | Agrobacterium fabrum C58 | Atu3764 | | sigma 54 dependent transcriptional activator | sig. | 38 | 89 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS22295 | | nitrogen regulation protein NR(I) | strong | 42 | 90 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS04160 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 37 | 95 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_08285 | glnG | nitrogen regulation protein NR(I) | cofit | 41 | 88 |
| | Cellulophaga baltica 18 | M666_RS19210 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 77 |
| | Erwinia amylovora T8 | OLJFJH_05495 | | nitrogen regulation protein NR(I) | strong | 41 | 88 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS18895 | | nitrogen regulation protein NR(I) | strong | 41 | 87 |