| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas simiae WCS417 | PS417_09450 | | Fis family transcriptional regulator | insig. | 100 | 100 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 99 | 100 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 99 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02112 | | Sigma54-dependent transcriptional activator SfnR | cofit | 99 | 100 |
| o | Pseudomonas orientalis W4I3 | QF045_RS12080 | | sigma-54 dependent transcriptional regulator | cofit | 98 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS10685 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 89 | 100 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 87 | 100 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 87 | 100 |
| o | Pseudomonas putida KT2440 | PP_2771 | | Sigma-54 dependent transcriptional regulator | insig. | 81 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_28970 | | Fis family transcriptional regulator | insig. | 81 | 100 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_11530 | | Fis family transcriptional regulator | sig. | 82 | 100 |
| o | Pseudomonas sp. BP01 | JOY50_RS05065 | sfnR | sigma54-dependent transcriptional activator SfnR | insig. | 81 | 100 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS59400 | | sigma-54 dependent transcriptional regulator | insig. | 82 | 100 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS18165 | | sigma-54 dependent transcriptional regulator | sig. | 82 | 100 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_28365 | | Fis family transcriptional regulator | sig. | 78 | 100 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1428 | | Alkanesulfonates-binding protein | insig. | 77 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_02293 | | Sigma54-dependent transcriptional activator SfnR | sig. | 77 | 100 |
| o | Methylophilus sp. DMC18 | GFF1988 | | Sigma54-dependent transcriptional activator SfnR | insig. | 65 | 94 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1696 | | Alkanesulfonates-binding protein | insig. | 77 | 77 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_11555 | | transcriptional regulator | no data | 62 | 96 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS18190 | | sigma-54-dependent transcriptional regulator | insig. | 62 | 96 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS59425 | | sigma-54-dependent transcriptional regulator | insig. | 62 | 96 |
| o | Herbaspirillum seropedicae SmR1 | HSERO_RS04750 | | Fis family transcriptional regulator | insig. | 62 | 95 |
| | Pseudomonas sp. SVBP6 | COO64_RS13820 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 62 | 94 |
| o | Pseudomonas sp. S08-1 | OH686_06630 | | T6SS sigma-54-dependent regulator VasH | insig. | 62 | 96 |
| | Pseudomonas sp. BP01 | JOY50_RS26915 | | sigma-54-dependent Fis family transcriptional regulator | no data | 62 | 95 |
| o | Ralstonia sp. UNC404CL21Col | ABZR87_RS21180 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 95 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 53 | 94 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 53 | 94 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_03460 | | AAA family ATPase | insig. | 50 | 89 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS17400 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 89 |
| | Klebsiella michiganensis M5al | BWI76_RS22905 | | ATPase AAA | insig. | 50 | 89 |
| | Serratia liquefaciens MT49 | IAI46_07205 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 92 |
| | Pantoea sp. MT58 | IAI47_21575 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 89 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS12345 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 49 | 89 |
| | Erwinia amylovora T8 | OLJFJH_13990 | | AAA family ATPase | insig. | 49 | 90 |
| | Alteromonas macleodii MIT1002 | MIT1002_01083 | | Transcriptional regulatory protein ZraR | cofit | 49 | 76 |
| | Pseudomonas sp. SVBP6 | COO64_RS21290 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 69 |
| | Pseudomonas sp. BP01 | JOY50_RS00695 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 71 |
| | Caulobacter crescentus NA1000 | CCNA_00954 | | AAA-family response regulator flbD | strong | 41 | 96 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00954 | | AAA-family response regulator flbD | cofit | 41 | 96 |
| | Rhodospirillum rubrum S1H | Rru_A0540 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 41 | 97 |
| | Pseudomonas stutzeri RCH2 | Psest_1767 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 52 | 68 |
| | Pseudomonas putida KT2440 | PP_4371 | | two component system AtoC DNA-binding transcriptional activator | strong | 53 | 66 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0327 | | Sigma-54 factor, interaction region | insig. | 51 | 74 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0327 | | Sigma-54 factor, interaction region | insig. | 51 | 74 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 48 | 86 |
| | Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 57 | 62 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 43 | 91 |
| | Escherichia coli ECRC100 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 57 | 62 |
| | Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 57 | 62 |
| | Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 57 | 62 |
| | Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 57 | 62 |
| | Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 57 | 62 |
| | Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 57 | 62 |
| | Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 57 | 62 |
| | Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 57 | 62 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | cofit | 57 | 62 |
| | Rhizobium sp. OAE497 | ABIE40_RS09090 | | nitrogen regulation protein NR(I) | strong | 45 | 83 |
| | Pseudomonas segetis P6 | ACVTMO_RS15595 | | sigma-54-dependent transcriptional regulator | strong | 49 | 66 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4355 | | Flagellar regulatory protein FleQ | sig. | 51 | 66 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS45880 | fleR;inference=COORDINATES | sigma-54-dependent response regulator transcription factor FleR | strong | 51 | 66 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 51 | 66 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 51 | 66 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 51 | 66 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 51 | 66 |
| | Pseudomonas orientalis W4I3 | QF045_RS21945 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 66 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 42 | 91 |
| | Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 57 | 61 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS06955 | fleR;inference=COORDINATES | sigma-54-dependent response regulator transcription factor FleR | strong | 51 | 66 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_05055 | | sigma-54-dependent response regulator transcription factor FleR | strong | 51 | 66 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 44 | 91 |
| | Pseudomonas simiae WCS417 | PS417_19815 | | Fis family transcriptional regulator | no data | 50 | 66 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04161 | | Regulatory protein AtoC | cofit | 43 | 87 |
| | Pseudomonas sp. DMC3 | GFF2447 | | Regulatory protein AtoC | cofit | 49 | 68 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2595 | | Flagellar regulatory protein FleQ | sig. | 50 | 66 |
| | Pseudomonas sp. S08-1 | OH686_02845 | | Flagellar two-component response regulator FleR | strong | 51 | 66 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_03845 | | Fis family transcriptional regulator | cofit | 50 | 66 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_18670 | | Fis family transcriptional regulator | strong | 50 | 66 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS24385 | zraR;go_function=sequence-specific | sigma-54-dependent response regulator transcription factor ZraR | insig. | 52 | 70 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3305 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | strong | 54 | 61 |
| | Pseudomonas segetis P6 | ACVTMO_RS06070 | | sigma-54-dependent transcriptional regulator | no data | 43 | 90 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5156 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 42 | 90 |
| | Pseudomonas sp. RS175 | PFR28_00830 | | Regulatory protein AtoC | cofit | 50 | 66 |
| | Pseudomonas sp. BP01 | JOY50_RS27675 | | sigma-54 dependent transcriptional regulator | cofit | 44 | 87 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_16075 | | Fis family transcriptional regulator | strong | 42 | 90 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS09370 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 52 | 63 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_29980 | | two-component system response regulator CbrB | strong | 52 | 63 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS52660 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 52 | 63 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS30045 | | ATPase AAA | insig. | 44 | 84 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 41 | 87 |
| | Pseudomonas stutzeri RCH2 | Psest_0999 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 54 | 61 |
| | Pseudomonas sp. BP01 | JOY50_RS20540 | | sigma 54-interacting transcriptional regulator | insig. | 51 | 72 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS02570 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 42 | 92 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 51 | 70 |
| | Pseudomonas sp. S08-1 | OH686_17260 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 42 | 89 |
| | Pseudomonas sp. SVBP6 | COO64_RS15090 | | sigma-54 dependent transcriptional regulator | strong | 41 | 96 |
| | Rhodopseudomonas palustris CGA009 | TX73_006510 | | sigma-54 dependent transcriptional regulator | strong | 40 | 92 |
| | Sphingobium sp. HT1-2 | GFF1148 | | Nitrogen regulation protein NR(I), GlnG (=NtrC) | strong | 43 | 88 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_10660 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 51 | 66 |