Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| Serratia liquefaciens MT49 | IAI46_07205 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 100 | 100 |
o | Pantoea sp. MT58 | IAI47_21575 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 77 | 100 |
o | Klebsiella michiganensis M5al | BWI76_RS22905 | | ATPase AAA | insig. | 72 | 100 |
| Pseudomonas sp. RS175 | PFR28_02293 | | Sigma54-dependent transcriptional activator SfnR | sig. | 52 | 52 |
| Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1428 | | Alkanesulfonates-binding protein | insig. | 52 | 51 |
| Pseudomonas fluorescens FW300-N2C3 | AO356_28365 | | Fis family transcriptional regulator | sig. | 52 | 51 |
| Pseudomonas sp. S08-1 | OH686_06630 | | T6SS sigma-54-dependent regulator VasH | insig. | 52 | 51 |
| Pseudomonas syringae pv. syringae B728a | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 49 | 52 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 49 | 52 |
| Pseudomonas fluorescens SBW25 | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 52 |
| Pseudomonas fluorescens SBW25-INTG | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 52 |
| Pseudomonas fluorescens FW300-N2C3 | AO356_28970 | | Fis family transcriptional regulator | insig. | 51 | 51 |
| Pseudomonas simiae WCS417 | PS417_09450 | | Fis family transcriptional regulator | insig. | 50 | 52 |
| Pseudomonas fluorescens SBW25 | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 53 | 50 |
| Pseudomonas fluorescens SBW25-INTG | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 53 | 50 |
| Herbaspirillum seropedicae SmR1 | HSERO_RS04750 | | Fis family transcriptional regulator | insig. | 51 | 50 |
| Pseudomonas putida KT2440 | PP_2771 | | Sigma-54 dependent transcriptional regulator | insig. | 52 | 51 |
| Azospirillum brasilense Sp245 | AZOBR_RS20165 | | ATPase AAA | strong | 58 | 40 |
| Ralstonia sp. UNC404CL21Col | ABZR87_RS21180 | | sigma-54 dependent transcriptional regulator | insig. | 45 | 52 |
| Rhodospirillum rubrum S1H | Rru_A0540 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 50 | 49 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 50 | 49 |
| Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 46 | 49 |
| Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 47 | 49 |
| Caulobacter crescentus NA1000 | CCNA_00954 | | AAA-family response regulator flbD | strong | 48 | 49 |
| Caulobacter crescentus NA1000 Δfur | CCNA_00954 | | AAA-family response regulator flbD | cofit | 48 | 49 |
| Rhodopseudomonas palustris CGA009 | TX73_007390 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 47 |
| Azospirillum sp. SherDot2 | MPMX19_04090 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 54 | 40 |
| Pseudomonas fluorescens FW300-N2E3 | AO353_18670 | | Fis family transcriptional regulator | strong | 45 | 51 |
| Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 50 | 49 |
| Magnetospirillum magneticum AMB-1 | AMB_RS02570 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 48 | 47 |
| Pseudomonas fluorescens SBW25 | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 46 | 50 |
| Pseudomonas fluorescens SBW25-INTG | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 46 | 50 |
| Pseudomonas fluorescens GW456-L13 | PfGW456L13_4355 | | Flagellar regulatory protein FleQ | sig. | 45 | 51 |
| Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 50 | 49 |
| Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2595 | | Flagellar regulatory protein FleQ | sig. | 45 | 51 |
| Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 50 | 49 |
| Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 50 | 49 |
| Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 49 | 48 |
| Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 49 |
| Pseudomonas fluorescens FW300-N2C3 | AO356_03845 | | Fis family transcriptional regulator | cofit | 45 | 51 |
| Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 49 | 49 |
| Pseudomonas simiae WCS417 | PS417_19815 | | Fis family transcriptional regulator | no data | 45 | 50 |
| Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 45 | 49 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | insig. | 50 | 48 |
| Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 50 | 48 |
| Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 49 |
| Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 48 | 49 |
| Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 50 | 49 |
| Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 50 | 49 |
| Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 50 | 49 |
| Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 50 | 48 |
| Escherichia coli ECRC101 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 50 | 48 |
| Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 50 | 48 |
| Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 50 | 48 |
| Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 50 | 48 |
| Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 50 | 48 |
| Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 50 | 48 |
| Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 50 | 48 |
| Pseudomonas syringae pv. syringae B728a | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 43 | 51 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 43 | 51 |
| Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | cofit | 46 | 50 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 49 | 49 |
| Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 46 | 50 |
| Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 46 | 50 |
| Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | cofit | 46 | 50 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 46 | 50 |
| Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 46 | 50 |
| Escherichia coli ECRC101 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 49 |
| Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09765 | | sigma-54 dependent transcriptional regulator | insig. | 46 | 49 |
| Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 49 | 49 |
| Pseudomonas stutzeri RCH2 | Psest_1767 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 47 | 51 |
| Pseudomonas stutzeri RCH2 | Psest_4055 | | ABC transporter, substrate-binding protein, aliphatic sulfonates family | sig. | 44 | 51 |
| Pseudomonas sp. RS175 | PFR28_00830 | | Regulatory protein AtoC | cofit | 44 | 51 |
| Burkholderia phytofirmans PsJN | BPHYT_RS30045 | | ATPase AAA | insig. | 48 | 51 |
| Bosea sp. OAE506 | ABIE41_RS10895 | | sigma-54 dependent transcriptional regulator | insig. | 47 | 49 |
| Desulfovibrio vulgaris Miyazaki F | DvMF_2109 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 54 | 38 |
| Herbaspirillum seropedicae SmR1 | HSERO_RS22915 | | Fis family transcriptional regulator | insig. | 48 | 47 |
| Rhodopseudomonas palustris CGA009 | TX73_007055 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 44 | 49 |
| Marinobacter adhaerens HP15 | HP15_328 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 44 | 51 |
| Variovorax sp. SCN45 | GFF3669 | | Two-component system response regulator protein | no data | 49 | 51 |
| Pseudomonas sp. RS175 | PFR28_01679 | | Regulatory protein AtoC | sig. | 49 | 47 |
| Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4731 | | Sigma-54 dependent transcriptional regulator | sig. | 49 | 47 |
| Pseudomonas syringae pv. syringae B728a | Psyr_4876 | | ABC transporter, substrate-binding protein, aliphatic sulfonate | insig. | 43 | 46 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4876 | | ABC transporter, substrate-binding protein, aliphatic sulfonate | insig. | 43 | 46 |
| Magnetospirillum magneticum AMB-1 | AMB_RS11950 | | nitrogen regulation protein NR(I) | no data | 46 | 50 |
| Rhodospirillum rubrum S1H | Rru_A0326 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | insig. | 52 | 37 |
| Pseudomonas putida KT2440 | PP_4371 | | two component system AtoC DNA-binding transcriptional activator | strong | 46 | 50 |
| Shewanella sp. ANA-3 | Shewana3_0258 | | nitrogen metabolism transcriptional regulator, NtrC, Fis family (RefSeq) | strong | 45 | 51 |
| Azospirillum brasilense Sp245 | AZOBR_RS14430 | | chemotaxis protein CheY | strong | 47 | 50 |
| Bosea sp. OAE506 | ABIE41_RS16785 | | nitrogen regulation protein NR(I) | insig. | 46 | 49 |
| Rhodopseudomonas palustris CGA009 | TX73_006510 | | sigma-54 dependent transcriptional regulator | strong | 47 | 49 |
| Rhodospirillum rubrum S1H | Rru_A1388 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | cofit | 46 | 49 |
| Desulfovibrio vulgaris Hildenborough JW710 | DVU2894 | flrA | sigma-54 dependent transcriptional regulator (TIGR) | strong | 46 | 47 |
| Sinorhizobium meliloti 1021 | SMc01043 | | nitrogen assimilation regulatory protein | strong | 46 | 49 |
| Rhizobium sp. OAE497 | ABIE40_RS09090 | | nitrogen regulation protein NR(I) | strong | 45 | 49 |
| Azospirillum brasilense Sp245 | AZOBR_RS29300 | | Fis family transcriptional regulator | insig. | 44 | 50 |
| Ralstonia sp. UNC404CL21Col | ABZR87_RS11500 | | sulfonate ABC transporter substrate-binding protein | insig. | 44 | 45 |
| Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_2422 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 44 | 49 |
| Pseudomonas sp. S08-1 | OH686_11575 | | Alkanesulfonate ABC transporter substrate-binding protein SsuA | insig. | 43 | 50 |
| Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS13070 | | sigma-54 dependent transcriptional regulator | insig. | 44 | 49 |