| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas putida KT2440 | PP_2771 | | Sigma-54 dependent transcriptional regulator | insig. | 100 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_28970 | | Fis family transcriptional regulator | insig. | 90 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02112 | | Sigma54-dependent transcriptional activator SfnR | cofit | 82 | 100 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 82 | 100 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 82 | 100 |
| o | Pseudomonas simiae WCS417 | PS417_09450 | | Fis family transcriptional regulator | insig. | 81 | 100 |
| o | Pseudomonas orientalis W4I3 | QF045_RS12080 | | sigma-54 dependent transcriptional regulator | cofit | 82 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS10685 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 81 | 100 |
| o | Pseudomonas sp. BP01 | JOY50_RS05065 | sfnR | sigma54-dependent transcriptional activator SfnR | insig. | 82 | 100 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 78 | 100 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 78 | 100 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_11530 | | Fis family transcriptional regulator | sig. | 80 | 100 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS59400 | | sigma-54 dependent transcriptional regulator | insig. | 79 | 100 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS18165 | | sigma-54 dependent transcriptional regulator | sig. | 79 | 100 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_28365 | | Fis family transcriptional regulator | sig. | 76 | 100 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1428 | | Alkanesulfonates-binding protein | insig. | 76 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_02293 | | Sigma54-dependent transcriptional activator SfnR | sig. | 76 | 100 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1696 | | Alkanesulfonates-binding protein | insig. | 89 | 77 |
| o | Methylophilus sp. DMC18 | GFF1988 | | Sigma54-dependent transcriptional activator SfnR | insig. | 64 | 94 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_11555 | | transcriptional regulator | no data | 65 | 96 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS18190 | | sigma-54-dependent transcriptional regulator | insig. | 65 | 96 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS59425 | | sigma-54-dependent transcriptional regulator | insig. | 65 | 96 |
| o | Pseudomonas sp. S08-1 | OH686_06630 | | T6SS sigma-54-dependent regulator VasH | insig. | 64 | 97 |
| | Pseudomonas sp. SVBP6 | COO64_RS13820 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 63 | 94 |
| o | Herbaspirillum seropedicae SmR1 | HSERO_RS04750 | | Fis family transcriptional regulator | insig. | 63 | 94 |
| | Pseudomonas sp. BP01 | JOY50_RS26915 | | sigma-54-dependent Fis family transcriptional regulator | no data | 62 | 94 |
| o | Ralstonia sp. UNC404CL21Col | ABZR87_RS21180 | | sigma-54 dependent transcriptional regulator | insig. | 52 | 95 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 55 | 94 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 55 | 94 |
| | Klebsiella michiganensis M5al | BWI76_RS22905 | | ATPase AAA | insig. | 50 | 90 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS17400 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 92 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_03460 | | AAA family ATPase | insig. | 49 | 92 |
| | Pantoea sp. MT58 | IAI47_21575 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 48 | 93 |
| | Serratia liquefaciens MT49 | IAI46_07205 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 52 | 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 | 89 |
| | Caulobacter crescentus NA1000 | CCNA_00954 | | AAA-family response regulator flbD | strong | 42 | 92 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00954 | | AAA-family response regulator flbD | cofit | 42 | 92 |
| | Alteromonas macleodii MIT1002 | MIT1002_01083 | | Transcriptional regulatory protein ZraR | cofit | 44 | 89 |
| | Pseudomonas stutzeri RCH2 | Psest_1767 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 45 | 88 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_18670 | | Fis family transcriptional regulator | strong | 54 | 66 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 53 | 66 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 53 | 66 |
| | Pseudomonas sp. RS175 | PFR28_00830 | | Regulatory protein AtoC | cofit | 54 | 66 |
| | Pseudomonas orientalis W4I3 | QF045_RS21945 | | sigma-54 dependent transcriptional regulator | insig. | 54 | 66 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04161 | | Regulatory protein AtoC | cofit | 53 | 66 |
| | Rhodopseudomonas palustris CGA009 | TX73_006510 | | sigma-54 dependent transcriptional regulator | strong | 43 | 92 |
| | Pseudomonas sp. SVBP6 | COO64_RS21290 | | sigma-54 dependent transcriptional regulator | insig. | 45 | 89 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4355 | | Flagellar regulatory protein FleQ | sig. | 54 | 66 |
| | Pseudomonas sp. S08-1 | OH686_02845 | | Flagellar two-component response regulator FleR | strong | 54 | 65 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2595 | | Flagellar regulatory protein FleQ | sig. | 54 | 65 |
| | Pseudomonas sp. DMC3 | GFF2447 | | Regulatory protein AtoC | cofit | 53 | 65 |
| | Pseudomonas simiae WCS417 | PS417_19815 | | Fis family transcriptional regulator | no data | 52 | 66 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_03845 | | Fis family transcriptional regulator | cofit | 54 | 65 |
| | Pseudomonas sp. BP01 | JOY50_RS00695 | | sigma-54 dependent transcriptional regulator | insig. | 54 | 65 |
| | Rhodospirillum rubrum S1H | Rru_A0540 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 42 | 92 |
| | Pseudomonas putida KT2440 | PP_4371 | | two component system AtoC DNA-binding transcriptional activator | strong | 54 | 65 |
| | 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 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_10660 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 49 | 72 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 53 | 64 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 53 | 64 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS06955 | fleR;inference=COORDINATES | sigma-54-dependent response regulator transcription factor FleR | strong | 53 | 65 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_05055 | | sigma-54-dependent response regulator transcription factor FleR | strong | 53 | 65 |
| | Rhizobium sp. OAE497 | ABIE40_RS09090 | | nitrogen regulation protein NR(I) | strong | 46 | 86 |
| | Erwinia tracheiphila SCR3 | LU632_RS20500 | | sigma-54 dependent transcriptional regulator | no data | 44 | 89 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS45880 | fleR;inference=COORDINATES | sigma-54-dependent response regulator transcription factor FleR | strong | 53 | 65 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_14600 | | sigma-54-dependent Fis family transcriptional regulator | no data | 43 | 89 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 43 | 91 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 47 | 87 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS30045 | | ATPase AAA | insig. | 45 | 84 |
| | Bosea sp. OAE506 | ABIE41_RS10895 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 92 |
| | Pseudomonas stutzeri RCH2 | Psest_4174 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 46 | 86 |
| | Azospirillum brasilense Sp245 | AZOBR_RS20165 | | ATPase AAA | strong | 49 | 72 |
| | Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 56 | 62 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | cofit | 54 | 63 |
| | Pseudomonas segetis P6 | ACVTMO_RS15595 | | sigma-54-dependent transcriptional regulator | strong | 50 | 65 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 45 | 83 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS02570 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 43 | 92 |
| | Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 56 | 62 |
| | Escherichia coli ECRC100 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 56 | 62 |
| | Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 56 | 62 |
| | Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 56 | 62 |
| | Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 56 | 62 |
| | Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 56 | 62 |
| | Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 56 | 62 |
| | Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 56 | 62 |
| | Shewanella amazonensis SB2B | Sama_2299 | | response regulator receiver protein (RefSeq) | sig. | 54 | 63 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS24385 | zraR;go_function=sequence-specific | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 90 |
| | Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 55 | 61 |
| | Dechlorosoma suillum PS | Dsui_1758 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 51 | 67 |
| | Pseudomonas sp. S08-1 | OH686_17260 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 43 | 84 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14390 | | ATPase AAA | strong | 53 | 63 |
| | Pseudomonas orientalis W4I3 | QF045_RS04125 | | sigma 54-interacting transcriptional regulator | insig. | 48 | 81 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 90 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2894 | flrA | sigma-54 dependent transcriptional regulator (TIGR) | strong | 52 | 62 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1324 | | sigma54 specific transcriptional regulator, Fis family (RefSeq) | strong | 52 | 62 |
| | Agrobacterium fabrum C58 | Atu1446 | | two component response regulator | strong | 44 | 88 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00427 | | Sigma54-dependent transcriptional activator SfnR | cofit | 48 | 81 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 46 | 84 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09765 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 92 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_20285 | | Fis family transcriptional regulator | strong | 54 | 68 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS09370 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 51 | 63 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_29980 | | two-component system response regulator CbrB | strong | 51 | 63 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS52660 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 51 | 63 |
| | Marinobacter adhaerens HP15 | HP15_2328 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 48 | 71 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1930 | | Transcriptional regulatory protein zraR | insig. | 47 | 83 |
| | Pseudomonas sp. BP01 | JOY50_RS20540 | | sigma 54-interacting transcriptional regulator | insig. | 52 | 72 |
| | Marinobacter adhaerens HP15 | HP15_328 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 52 | 62 |
| | Pseudomonas segetis P6 | ACVTMO_RS06070 | | sigma-54-dependent transcriptional regulator | no data | 52 | 62 |
| | Pseudomonas orientalis W4I3 | QF045_RS21955 | | sigma-54 dependent transcriptional regulator | cofit | 47 | 75 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 43 | 91 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 53 | 66 |
| | Pseudomonas stutzeri RCH2 | Psest_0999 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 52 | 62 |
| | Pseudomonas sp. S08-1 | OH686_02855 | | Flagellar regulatory protein FleQ | cofit | 52 | 68 |
| | Pseudomonas simiae WCS417 | PS417_01000 | | Fis family transcriptional regulator | insig. | 47 | 81 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS21795 | | sigma-54-dependent Fis family transcriptional regulator | strong | 47 | 75 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS21795 | | sigma-54-dependent Fis family transcriptional regulator | strong | 47 | 75 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04163 | | Anaerobic nitric oxide reductase transcription regulator NorR | strong | 47 | 75 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5156 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 43 | 83 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS48520 | | sigma-54-dependent transcriptional regulator | insig. | 53 | 68 |
| | Pseudomonas simiae WCS417 | PS417_19825 | | ATPase AAA | strong | 47 | 75 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_16075 | | Fis family transcriptional regulator | strong | 43 | 83 |
| | Rhodopseudomonas palustris CGA009 | TX73_007390 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 42 | 85 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3020 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 54 | 60 |
| | Shewanella loihica PV-4 | Shew_1364 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 51 | 65 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3461 | | Helix-turn-helix, Fis-type | strong | 47 | 75 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3461 | | Helix-turn-helix, Fis-type | cofit | 47 | 75 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_03855 | | AAA family ATPase | strong | 47 | 75 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2597 | | Flagellar regulatory protein FleQ | strong | 47 | 75 |
| | Sinorhizobium meliloti 1021 | SMc01043 | | nitrogen assimilation regulatory protein | strong | 44 | 86 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1715 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 49 | 78 |
| | Azospirillum sp. SherDot2 | MPMX19_04090 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 48 | 72 |
| | Pseudomonas sp. SVBP6 | COO64_RS21300 | fleQ | transcriptional regulator FleQ | cofit | 47 | 75 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS13200 | | sigma-54-dependent transcriptional regulator | insig. | 53 | 68 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_09635 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 53 | 63 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 42 | 84 |
| | Pseudomonas sp. RS175 | PFR28_04815 | | Sigma54-dependent transcriptional activator SfnR | insig. | 52 | 72 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_14400 | | Fis family transcriptional regulator | strong | 49 | 65 |
| | Pseudomonas sp. RS175 | PFR28_03718 | | Transcriptional regulatory protein ZraR | strong | 49 | 66 |
| | Pseudomonas sp. RS175 | PFR28_00828 | | Anaerobic nitric oxide reductase transcription regulator NorR | strong | 47 | 75 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_18660 | | AAA family ATPase | strong | 47 | 75 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS13270 | | PEP-CTERM-box response regulator transcription factor | insig. | 46 | 81 |
| | Pseudomonas sp. BP01 | JOY50_RS27675 | | sigma-54 dependent transcriptional regulator | cofit | 42 | 83 |
| | Pseudomonas sp. DMC3 | GFF4030 | | Transcriptional regulatory protein ZraR | strong | 42 | 83 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0831 | | Two-component response regulator CbrB | sig. | 51 | 63 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0831 | | Two-component response regulator CbrB | no data | 51 | 63 |
| | Pseudomonas sp. DMC3 | GFF2445 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 47 | 75 |
| | Pseudomonas stutzeri RCH2 | Psest_1765 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 51 | 68 |
| | Pseudomonas sp. SVBP6 | COO64_RS15090 | | sigma-54 dependent transcriptional regulator | strong | 49 | 68 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4725 | | Formate hydrogenlyase transcriptional activator | insig. | 49 | 75 |
| | Pseudomonas sp. BP01 | JOY50_RS00705 | fleQ | transcriptional regulator FleQ | sig. | 47 | 75 |
| | Pseudomonas putida KT2440 | PP_4373 | | Transcriptional regulator FleQ | strong | 47 | 75 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3599 | | Flagellar regulatory protein FleQ | insig. | 47 | 75 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 44 | 85 |
| | Sphingobium sp. HT1-2 | GFF1148 | | Nitrogen regulation protein NR(I), GlnG (=NtrC) | strong | 44 | 84 |
| | Shewanella oneidensis MR-1 | SO3230 | flrC | flagellar regulatory protein C (NCBI ptt file) | cofit | 43 | 87 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4357 | | Flagellar regulatory protein FleQ | insig. | 47 | 75 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF610 | | Putative sensory histidine kinase YfhA | insig. | 54 | 63 |
| | Variovorax sp. OAS795 | ABID97_RS06460 | | sigma 54-interacting transcriptional regulator | cofit | 54 | 63 |
| | Shewanella sp. ANA-3 | Shewana3_1340 | | two component, sigma54 specific, Fis family transcriptional regulator (RefSeq) | strong | 50 | 71 |
| | Pseudomonas putida KT2440 | PP_4696 | | Nitrogen regulation protein NR(I) | strong | 49 | 65 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 49 | 66 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2858 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 51 | 62 |
| | Azospirillum brasilense Sp245 | AZOBR_RS29300 | | Fis family transcriptional regulator | insig. | 50 | 64 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS12970 | | PEP-CTERM-box response regulator transcription factor | insig. | 46 | 81 |
| | Azospirillum sp. SherDot2 | MPMX19_01840 | | Nif-specific regulatory protein | insig. | 53 | 64 |
| | Escherichia coli ECRC100 | OKFHMN_20540 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 75 |
| | Escherichia coli ECRC101 | MCAODC_11065 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 75 |
| | Escherichia coli ECRC102 | NIAGMN_18310 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 75 |
| | Escherichia coli ECRC98 | JDDGAC_24205 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 75 |
| | Escherichia coli ECRC99 | KEDOAH_07595 | flhA | formate hydrogenlyase transcriptional activator FlhA | no data | 48 | 75 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 44 | 81 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 44 | 85 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |
| | Pseudomonas putida KT2440 | PP_5166 | | Sigma-54 dependent transcriptional regulator | sig. | 52 | 71 |
| | Cellulophaga baltica 18 | M666_RS12540 | | sigma 54-interacting response regulator | insig. | 50 | 64 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 44 | 81 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 44 | 81 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 44 | 81 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 44 | 81 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 44 | 81 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 44 | 85 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 44 | 85 |
| | Escherichia coli BL21 | ECD_02581 | | formate hydrogenlyase transcriptional activator | insig. | 48 | 75 |
| | Escherichia coli ECOR27 | NOLOHH_12385 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 75 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01003 | | Formate hydrogenlyase transcriptional activator FhlA | insig. | 48 | 75 |
| | Escherichia coli BW25113 | b2731 | fhlA | DNA-binding transcriptional activator (NCBI) | insig. | 48 | 75 |
| | Escherichia coli ECRC62 | BNILDI_10935 | flhA | formate hydrogenlyase transcriptional activator FlhA | cofit | 48 | 75 |
| | Klebsiella michiganensis M5al | BWI76_RS21250 | | two-component system response regulator GlrR | strong | 52 | 62 |
| | Escherichia fergusonii Becca | EFB2_01192 | | Formate hydrogenlyase transcriptional activator FhlA | cofit | 48 | 75 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15260 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 75 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04930 | | Transcriptional regulatory protein ZraR | cofit | 43 | 83 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS19085 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 52 | 63 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1524 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 51 | 62 |
| | Shewanella amazonensis SB2B | Sama_2301 | | response regulator receiver protein (RefSeq) | strong | 50 | 69 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_10670 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 49 | 70 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 44 | 85 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 83 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 83 |
| | Variovorax sp. SCN45 | GFF7323 | | Transcriptional response regulatory protein GlrR | insig. | 54 | 63 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_05207 | | Sigma-54 interaction domain protein | no data | 51 | 59 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3954 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 50 | 75 |
| | Xanthobacter sp. DMC5 | GFF4458 | | Transcriptional regulatory protein ZraR | insig. | 49 | 64 |
| | Pseudomonas orientalis W4I3 | QF045_RS26155 | | sigma-54 dependent transcriptional regulator | strong | 49 | 65 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 44 | 85 |
| | 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. | 44 | 84 |
| | Shewanella oneidensis MR-1 | SO3232 | flrA | flagellar regulatory protein A (NCBI ptt file) | strong | 50 | 69 |
| | Pseudomonas simiae WCS417 | PS417_23895 | | Fis family transcriptional regulator | no data | 49 | 65 |
| | Shewanella sp. ANA-3 | Shewana3_1338 | | sigma-54 dependent trancsriptional regulator (RefSeq) | strong | 47 | 76 |
| | Pseudomonas sp. RS175 | PFR28_01679 | | Regulatory protein AtoC | sig. | 53 | 63 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_10430 | | Fis family transcriptional regulator | insig. | 50 | 75 |
| | Shewanella loihica PV-4 | Shew_1362 | | sigma-54 dependent trancsriptional regulator (RefSeq) | strong | 48 | 72 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3305 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | strong | 51 | 61 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17530 | | nif-specific transcriptional activator NifA | insig. | 51 | 67 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS15305 | | PEP-CTERM-box response regulator transcription factor | insig. | 51 | 63 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02393 | | Sigma-54 interaction domain protein | insig. | 45 | 75 |
| | Rhodopseudomonas palustris CGA009 | TX73_007055 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 41 | 86 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS06965 | fleQ;inference=COORDINATES | transcriptional regulator FleQ | strong | 51 | 66 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_05045 | | transcriptional regulator FleQ | strong | 51 | 66 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS45870 | fleQ;inference=COORDINATES | transcriptional regulator FleQ | strong | 51 | 66 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_11590 | | Fis family transcriptional regulator | insig. | 47 | 80 |
| | Azospirillum sp. SherDot2 | MPMX19_03461 | | Regulatory protein AtoC | insig. | 43 | 88 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS17605 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 43 | 73 |
| | Shewanella amazonensis SB2B | Sama_0125 | | response regulator receiver protein (RefSeq) | strong | 53 | 60 |
| | Pseudomonas sp. DMC3 | GFF3445 | | Transcriptional regulatory protein ZraR | cofit | 53 | 63 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3006 | | Sigma-54 dependent transcriptional regulator | insig. | 52 | 63 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 51 | 63 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT4375 | | transcriptional regulator (NCBI ptt file) | no data | 50 | 59 |
| | Klebsiella michiganensis M5al | BWI76_RS10230 | | AAA family ATPase | no data | 50 | 67 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS17080 | | sigma-54-dependent Fis family transcriptional regulator | strong | 50 | 62 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_05310 | | sigma-54-dependent Fis family transcriptional regulator | no data | 50 | 62 |
| | Pseudomonas putida KT2440 | PP_3503 | | Sigma-54 dependent transcriptional regulator | sig. | 50 | 69 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS03545 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 73 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2114 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 43 | 86 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15995 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 43 | 81 |
| | Rhodospirillum rubrum S1H | Rru_A1678 | | Nitrogen Metabolism Transcriptional Regulator, NtrC, Fis Family (NCBI) | strong | 43 | 85 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2800.1 | | Flagellar regulatory protein FleQ | sig. | 54 | 62 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 50 | 63 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS13000 | | sigma-54-dependent Fis family transcriptional regulator | strong | 50 | 62 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS01075 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 81 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS01075 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 81 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 46 | 84 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVUA0057 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 44 | 83 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 44 | 85 |