| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas simiae WCS417 | PS417_01000 | | Fis family transcriptional regulator | insig. | 100 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00427 | | Sigma54-dependent transcriptional activator SfnR | cofit | 97 | 100 |
| o | Pseudomonas orientalis W4I3 | QF045_RS04125 | | sigma 54-interacting transcriptional regulator | insig. | 97 | 100 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS01075 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 96 | 98 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS01075 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 96 | 98 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1715 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 87 | 97 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_0327 | | Sigma-54 factor, interaction region | insig. | 82 | 97 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0327 | | Sigma-54 factor, interaction region | insig. | 82 | 97 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_11590 | | Fis family transcriptional regulator | insig. | 85 | 97 |
| o | Pseudomonas sp. DMC3 | GFF4221 | | Sigma54-dependent transcriptional activator SfnR | cofit | 85 | 97 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_10430 | | Fis family transcriptional regulator | insig. | 85 | 97 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3954 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 85 | 97 |
| o | Pseudomonas protegens RBAN4 | FABNJH_01195 | | Sigma-54-binding protein | insig. | 90 | 91 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_467 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 91 | 87 |
| o | Pseudomonas sp. RS175 | PFR28_04815 | | Sigma54-dependent transcriptional activator SfnR | insig. | 90 | 88 |
| o | Pseudomonas sp. SVBP6 | COO64_RS12565 | | sigma 54-interacting transcriptional regulator | insig. | 81 | 95 |
| o | Pseudomonas putida KT2440 | PP_5166 | | Sigma-54 dependent transcriptional regulator | sig. | 80 | 88 |
| o | Pseudomonas sp. BP01 | JOY50_RS20540 | | sigma 54-interacting transcriptional regulator | insig. | 79 | 88 |
| o | Pseudomonas sp. S08-1 | OH686_11645 | | sigma-54-dependent transcriptional regulator | cofit | 75 | 95 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_20285 | | Fis family transcriptional regulator | strong | 71 | 84 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS48520 | | sigma-54-dependent transcriptional regulator | insig. | 66 | 89 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS13200 | | sigma-54-dependent transcriptional regulator | insig. | 66 | 89 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 51 | 97 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10865 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 51 | 97 |
| | Methylophilus sp. DMC18 | GFF1988 | | Sigma54-dependent transcriptional activator SfnR | insig. | 53 | 85 |
| | Pseudomonas sp. S08-1 | OH686_06630 | | T6SS sigma-54-dependent regulator VasH | insig. | 55 | 85 |
| | Pseudomonas sp. BP01 | JOY50_RS26915 | | sigma-54-dependent Fis family transcriptional regulator | no data | 50 | 95 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_11555 | | transcriptional regulator | no data | 55 | 85 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS18190 | | sigma-54-dependent transcriptional regulator | insig. | 55 | 85 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS59425 | | sigma-54-dependent transcriptional regulator | insig. | 55 | 85 |
| | Pseudomonas protegens RBAN4 | FABNJH_15135 | zraR | Transcriptional regulatory protein ZraR | insig. | 53 | 85 |
| | Pseudomonas sp. SVBP6 | COO64_RS13820 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 54 | 85 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS18165 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 85 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS04750 | | Fis family transcriptional regulator | insig. | 51 | 85 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS59400 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 85 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_11530 | | Fis family transcriptional regulator | insig. | 51 | 85 |
| | Pseudomonas putida KT2440 | PP_2771 | | Sigma-54 dependent transcriptional regulator | insig. | 47 | 96 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 53 | 81 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3248 | | Helix-turn-helix, Fis-type | insig. | 53 | 81 |
| | Pseudomonas sp. BP01 | JOY50_RS05065 | sfnR | sigma54-dependent transcriptional activator SfnR | insig. | 52 | 85 |
| | Pseudomonas orientalis W4I3 | QF045_RS12080 | | sigma-54 dependent transcriptional regulator | cofit | 51 | 85 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_28970 | | Fis family transcriptional regulator | insig. | 48 | 90 |
| | Pseudomonas sp. SVBP6 | COO64_RS10685 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 52 | 85 |
| | Pseudomonas protegens RBAN4 | FABNJH_21460 | sfnR | Sigma54-dependent transcriptional regulator SfnR | insig. | 51 | 85 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02112 | | Sigma54-dependent transcriptional activator SfnR | cofit | 47 | 96 |
| | Pseudomonas simiae WCS417 | PS417_09450 | | Fis family transcriptional regulator | insig. | 50 | 85 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 85 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10100 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 50 | 85 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_28365 | | Fis family transcriptional regulator | sig. | 51 | 85 |
| | Pseudomonas sp. RS175 | PFR28_02293 | | Sigma54-dependent transcriptional activator SfnR | sig. | 47 | 96 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1428 | | Alkanesulfonates-binding protein | insig. | 51 | 85 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS21180 | | sigma-54 dependent transcriptional regulator | insig. | 48 | 82 |
| | Erwinia amylovora T8 | OLJFJH_13990 | | AAA family ATPase | insig. | 46 | 89 |
| | Serratia liquefaciens MT49 | IAI46_07205 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 48 | 78 |
| | Klebsiella michiganensis M5al | BWI76_RS22905 | | ATPase AAA | insig. | 47 | 79 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_03460 | | AAA family ATPase | insig. | 46 | 80 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS17400 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 46 | 80 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS22280 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 43 | 89 |
| | Pantoea sp. MT58 | IAI47_21575 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 43 | 89 |
| | Marinobacter adhaerens HP15 | HP15_1891 | | two component, sigma54 specific, transcriptional regulator, Fis family | insig. | 39 | 89 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 47 | 77 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_16520 | | DNA-binding response regulator | insig. | 43 | 77 |
| | Caulobacter crescentus NA1000 | CCNA_00954 | | AAA-family response regulator flbD | strong | 43 | 82 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00954 | | AAA-family response regulator flbD | cofit | 43 | 82 |
| | Rhodospirillum rubrum S1H | Rru_A0540 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 46 | 79 |
| | Pseudomonas segetis P6 | ACVTMO_RS01120 | | sigma-54 dependent transcriptional regulator | insig. | 44 | 84 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2827 | | sigma-54 dependent transcriptional regulator (TIGR) | insig. | 42 | 85 |
| | Escherichia coli BL21 | ECD_00285 | | propionate catabolism operon regulatory protein | insig. | 45 | 77 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03340 | | Propionate catabolism operon regulatory protein | insig. | 47 | 73 |
| | Escherichia coli BW25113 | b0330 | prpR | DNA-binding transcriptional activator (NCBI) | insig. | 47 | 73 |
| | Escherichia coli ECOR27 | NOLOHH_01780 | prpR | propionate catabolism operon regulatory protein PrpR | insig. | 45 | 77 |
| | Escherichia coli ECRC100 | OKFHMN_08905 | prpR | propionate catabolism operon regulatory protein PrpR | cofit | 45 | 77 |
| | Escherichia coli ECRC101 | MCAODC_28135 | prpR | propionate catabolism operon regulatory protein PrpR | insig. | 45 | 77 |
| | Escherichia coli ECRC102 | NIAGMN_06960 | prpR | propionate catabolism operon regulatory protein PrpR | cofit | 45 | 77 |
| | Escherichia coli ECRC62 | BNILDI_23195 | prpR | propionate catabolism operon regulatory protein PrpR | cofit | 45 | 77 |
| | Escherichia coli ECRC98 | JDDGAC_12560 | prpR | propionate catabolism operon regulatory protein PrpR | insig. | 45 | 77 |
| | Escherichia coli ECRC99 | KEDOAH_19060 | prpR | propionate catabolism operon regulatory protein PrpR | no data | 45 | 77 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS02570 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 43 | 85 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09765 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 86 |
| | Rhodopseudomonas palustris CGA009 | TX73_006510 | | sigma-54 dependent transcriptional regulator | strong | 41 | 88 |
| | Cellulophaga baltica 18 | M666_RS03195 | | sigma-54 dependent transcriptional regulator | insig. | 41 | 76 |
| | Escherichia coli ECOR38 | HEPCGN_07490 | prpR | propionate catabolism operon regulatory protein PrpR | insig. | 45 | 77 |
| | Pseudomonas sp. DMC3 | GFF2447 | | Regulatory protein AtoC | cofit | 44 | 82 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 45 | 76 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 44 | 81 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS02145 | | propionate catabolism operon regulatory protein PrpR | insig. | 45 | 77 |
| | Escherichia fergusonii Becca | EFB2_03707 | | Propionate catabolism operon regulatory protein | insig. | 45 | 77 |
| | Pseudomonas sp. S08-1 | OH686_02845 | | Flagellar two-component response regulator FleR | strong | 44 | 81 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15110 | | nitric oxide reductase transcriptional regulator NorR | no data | 40 | 93 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS26155 | | nitric oxide reductase transcriptional regulator NorR | no data | 40 | 93 |
| | Variovorax sp. SCN45 | GFF4432 | | Two-component system response regulator protein | strong | 45 | 76 |
| | Pseudomonas stutzeri RCH2 | Psest_0833 | | Transcriptional regulator containing GAF, AAA-type ATPase, and DNA binding domains | sig. | 49 | 72 |
| | Pseudomonas protegens RBAN4 | FABNJH_08505 | fleR | Sigma-54 dependent DNA-binding response regulator FleR | insig. | 43 | 84 |
| | Bosea sp. OAE506 | ABIE41_RS10895 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 80 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 87 |
| | Escherichia coli ECOR38 | HEPCGN_19850 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 40 | 92 |
| | Escherichia coli BL21 | ECD_02559 | | anaerobic nitric oxide reductase DNA-binding transcriptional activator | insig. | 40 | 92 |
| | Escherichia coli BW25113 | b2709 | ygaA | putative 2-component transcriptional regulator (VIMSS) | insig. | 40 | 92 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_03845 | | Fis family transcriptional regulator | cofit | 44 | 82 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 43 | 80 |
| | Escherichia fergusonii Becca | EFB2_01215 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 40 | 93 |
| | Alteromonas macleodii MIT1002 | MIT1002_03186 | | Nitrogen regulation protein NR(I) | strong | 45 | 73 |
| | Pseudomonas sp. RS175 | PFR28_00830 | | Regulatory protein AtoC | cofit | 45 | 81 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02740 | | Regulatory protein AtoC | cofit | 45 | 78 |
| | Dechlorosoma suillum PS | Dsui_1758 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 44 | 79 |
| | Pseudomonas sp. BP01 | JOY50_RS27675 | | sigma-54 dependent transcriptional regulator | cofit | 44 | 80 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2595 | | Flagellar regulatory protein FleQ | sig. | 43 | 83 |
| | Escherichia coli ECRC100 | OKFHMN_20650 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 40 | 92 |
| | Escherichia coli ECRC101 | MCAODC_11175 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 40 | 92 |
| | Escherichia coli ECRC102 | NIAGMN_18420 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 40 | 92 |
| | Escherichia coli ECRC98 | JDDGAC_24315 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 40 | 92 |
| | Escherichia coli ECRC99 | KEDOAH_07485 | norR | nitric oxide reductase transcriptional regulator NorR | no data | 40 | 92 |
| | Escherichia coli ECRC62 | BNILDI_11055 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 42 | 87 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 41 | 87 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 87 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_717 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | strong | 50 | 72 |
| | Pseudomonas simiae WCS417 | PS417_12465 | | Fis family transcriptional regulator | insig. | 45 | 78 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_10090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 80 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25140 | | transcriptional regulator | sig. | 50 | 72 |
| | Pseudomonas segetis P6 | ACVTMO_RS08750 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 48 | 75 |
| | Escherichia coli ECOR27 | NOLOHH_12495 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 40 | 92 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS13155 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 45 | 74 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS13155 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 45 | 74 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_18670 | | Fis family transcriptional regulator | strong | 45 | 81 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS19085 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 38 | 87 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_09410 | | Fis family transcriptional regulator | insig. | 42 | 83 |
| | Pseudomonas putida KT2440 | PP_4696 | | Nitrogen regulation protein NR(I) | strong | 44 | 78 |
| | Pseudomonas sp. RS175 | PFR28_02218 | | Nitric oxide reductase transcription regulator NorR2 | sig. | 49 | 72 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4731 | | Sigma-54 dependent transcriptional regulator | sig. | 45 | 76 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS18890 | norR;go_function=DNA-binding | nitric oxide reductase transcriptional regulator NorR | sig. | 44 | 78 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS15305 | | PEP-CTERM-box response regulator transcription factor | insig. | 43 | 80 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 42 | 80 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS24385 | zraR;go_function=sequence-specific | sigma-54-dependent response regulator transcription factor ZraR | insig. | 40 | 91 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01025 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 40 | 92 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_02920 | | nitric oxide reductase transcriptional regulator NorR | sig. | 44 | 78 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS06955 | fleR;inference=COORDINATES | sigma-54-dependent response regulator transcription factor FleR | strong | 45 | 81 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_05055 | | sigma-54-dependent response regulator transcription factor FleR | strong | 45 | 81 |
| | Klebsiella michiganensis M5al | BWI76_RS17490 | | Fis family transcriptional regulator | insig. | 43 | 74 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS23710 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 43 | 84 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_00790 | | two-component response regulator PilR | strong | 43 | 84 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS56175 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 43 | 84 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0521 | | PEP-CTERM-box response regulator transcription factor | strong | 41 | 80 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 41 | 85 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT4375 | | transcriptional regulator (NCBI ptt file) | no data | 37 | 83 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4703 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 44 | 79 |
| | Pseudomonas putida KT2440 | PP_3503 | | Sigma-54 dependent transcriptional regulator | sig. | 44 | 76 |
| | Escherichia coli BL21 | ECD_02702 | | putative sigma-54-interacting transcriptional activator | insig. | 43 | 76 |
| | Escherichia fergusonii Becca | EFB2_01032 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 43 | 76 |
| | Escherichia coli ECOR38 | HEPCGN_18985 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | insig. | 43 | 76 |
| | Escherichia coli ECRC100 | OKFHMN_19695 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | cofit | 43 | 76 |
| | Escherichia coli ECRC101 | MCAODC_10220 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | insig. | 43 | 76 |
| | Escherichia coli ECRC102 | NIAGMN_17465 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | insig. | 43 | 76 |
| | Escherichia coli ECRC98 | JDDGAC_23340 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | insig. | 43 | 76 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2089 | | Sigma-54 dependent transcriptional regulator | insig. | 42 | 83 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS13270 | | PEP-CTERM-box response regulator transcription factor | insig. | 41 | 85 |
| | 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 | 85 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4656 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 39 | 77 |
| | Pseudomonas sp. SVBP6 | COO64_RS07975 | | sigma-54 dependent transcriptional regulator | insig. | 50 | 73 |
| | Azospirillum sp. SherDot2 | MPMX19_03494 | | Regulatory protein AtoC | insig. | 46 | 78 |
| | Pseudomonas protegens RBAN4 | FABNJH_16045 | | Fis family transcriptional regulator | insig. | 45 | 76 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS45880 | fleR;inference=COORDINATES | sigma-54-dependent response regulator transcription factor FleR | strong | 44 | 81 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4355 | | Flagellar regulatory protein FleQ | sig. | 44 | 81 |
| | Escherichia coli ECOR27 | NOLOHH_11625 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | insig. | 43 | 76 |
| | Escherichia coli ECRC62 | BNILDI_10150 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | cofit | 43 | 76 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00846 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 43 | 76 |
| | Escherichia coli BW25113 | b2869 | ygeV | predicted DNA-binding transcriptional regulator (NCBI) | insig. | 43 | 76 |
| | Marinobacter adhaerens HP15 | HP15_328 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 43 | 76 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 40 | 85 |
| | Variovorax sp. OAS795 | ABID97_RS06415 | | sigma-54 dependent transcriptional regulator | strong | 45 | 78 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS05760 | | sigma-54-dependent Fis family transcriptional regulator | no data | 40 | 73 |
| | Cellulophaga baltica 18 | M666_RS02825 | | sigma-54 dependent transcriptional regulator | strong | 38 | 89 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 80 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 80 |
| | Shewanella sp. ANA-3 | Shewana3_0845 | | anaerobic nitric oxide reductase transcription regulator (RefSeq) | insig. | 42 | 85 |
| | Pseudomonas sp. BP01 | JOY50_RS06050 | | sigma-54 dependent transcriptional regulator | insig. | 42 | 86 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 41 | 85 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS13700 | | Fis family transcriptional regulator | insig. | 38 | 85 |
| | Pseudomonas sp. DMC3 | GFF3445 | | Transcriptional regulatory protein ZraR | cofit | 44 | 76 |
| | Dickeya dianthicola 67-19 | HGI48_RS04495 | | nitric oxide reductase transcriptional regulator NorR | insig. | 45 | 85 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1063 | flrC | transcriptional regulatory protein (TIGR) | strong | 44 | 76 |
| | Pseudomonas stutzeri RCH2 | Psest_1767 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 44 | 80 |
| | Pseudomonas sp. SVBP6 | COO64_RS14675 | | sigma-54 dependent transcriptional regulator | insig. | 44 | 76 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 44 | 75 |
| | Pseudomonas sp. SVBP6 | COO64_RS21290 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 85 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04930 | | Transcriptional regulatory protein ZraR | cofit | 43 | 80 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_14400 | | Fis family transcriptional regulator | strong | 43 | 80 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 40 | 85 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 38 | 95 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 38 | 95 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 38 | 95 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1324 | | sigma54 specific transcriptional regulator, Fis family (RefSeq) | strong | 45 | 74 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 44 | 79 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS21785 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 44 | 79 |
| | Pseudomonas putida KT2440 | PP_4371 | | two component system AtoC DNA-binding transcriptional activator | strong | 44 | 80 |
| | Lysobacter sp. OAE881 | ABIE51_RS04850 | | sigma-54 dependent transcriptional regulator | strong | 44 | 83 |
| | Shewanella sp. ANA-3 | Shewana3_1488 | | sigma-54 dependent trancsriptional regulator (RefSeq) | insig. | 44 | 72 |
| | Pseudomonas segetis P6 | ACVTMO_RS15595 | | sigma-54-dependent transcriptional regulator | strong | 42 | 82 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS30045 | | ATPase AAA | insig. | 42 | 89 |
| | Pseudomonas stutzeri RCH2 | Psest_0999 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 41 | 84 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS12970 | | PEP-CTERM-box response regulator transcription factor | cofit | 40 | 85 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS09370 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 45 | 74 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_29980 | | two-component system response regulator CbrB | strong | 45 | 74 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS52660 | cbrB;inference=COORDINATES | two-component system response regulator CbrB | strong | 45 | 74 |
| | Pseudomonas orientalis W4I3 | QF045_RS21945 | | sigma-54 dependent transcriptional regulator | insig. | 44 | 79 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 43 | 81 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3459 | | Helix-turn-helix, Fis-type | insig. | 43 | 81 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS03545 | | sigma-54-dependent Fis family transcriptional regulator | strong | 41 | 77 |
| | Pseudomonas sp. DMC3 | GFF451 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 39 | 90 |
| | Pseudomonas simiae WCS417 | PS417_23895 | | Fis family transcriptional regulator | no data | 43 | 80 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 43 | 78 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS07540 | | sigma-54 dependent transcriptional regulator | insig. | 37 | 87 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS14005 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 48 | 69 |
| | Pseudomonas orientalis W4I3 | QF045_RS17445 | | sigma-54 dependent transcriptional regulator | insig. | 44 | 74 |
| | Pseudomonas sp. BP01 | JOY50_RS00695 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 80 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS17395 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 77 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2433 | | two-component system response regulator (NCBI ptt file) | sig. | 40 | 82 |
| | Pseudomonas sp. DMC3 | GFF4030 | | Transcriptional regulatory protein ZraR | strong | 42 | 80 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1524 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 42 | 80 |
| | Pseudomonas simiae WCS417 | PS417_19815 | | Fis family transcriptional regulator | no data | 44 | 79 |
| | Shewanella oneidensis MR-1 | SO3059 | | formate hydrogenlyase transcriptional activator, putative (NCBI ptt file) | insig. | 43 | 72 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS38225 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 80 |
| | Escherichia coli ECRC99 | KEDOAH_08435 | uacR | Putative uric acid sigma-54-dependent transcriptional regulator UacR | no data | 42 | 76 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07640 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 42 | 78 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4261 | | Propionate catabolism operon regulatory protein PrpR | insig. | 46 | 73 |
| | Lysobacter sp. OAE881 | ABIE51_RS01360 | | nitrogen regulation protein NR(I) | cofit | 43 | 84 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS28740 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 80 |
| | Pseudomonas orientalis W4I3 | QF045_RS26155 | | sigma-54 dependent transcriptional regulator | strong | 43 | 80 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15995 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 42 | 76 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS17605 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 41 | 77 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_05207 | | Sigma-54 interaction domain protein | no data | 41 | 71 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS14565 | | sigma-54 dependent transcriptional regulator | no data | 39 | 84 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF595 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 44 | 79 |
| | Pseudomonas stutzeri RCH2 | Psest_3932 | | nitrogen regulation protein NR(I) | strong | 43 | 74 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS03655 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 42 | 75 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS04165 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 41 | 76 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2894 | flrA | sigma-54 dependent transcriptional regulator (TIGR) | strong | 45 | 75 |
| | Pseudomonas stutzeri RCH2 | Psest_0124 | | Transcriptional regulator containing GAF, AAA-type ATPase, and DNA binding domains | sig. | 43 | 86 |
| | Lysobacter sp. OAE881 | ABIE51_RS11765 | | sigma-54 dependent transcriptional regulator | insig. | 45 | 74 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_2074 | | Sigma-54 interaction domain/Bacterial regulatory protein, Fis family | cofit | 45 | 79 |
| | Dickeya dianthicola ME23 | DZA65_RS04415 | | nitric oxide reductase transcriptional regulator NorR | insig. | 44 | 85 |
| | Pseudomonas sp. RS175 | PFR28_01679 | | Regulatory protein AtoC | sig. | 44 | 76 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.252.1 | | Nitrogen regulation protein NtrC | strong | 43 | 81 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_09495 | | Fis family transcriptional regulator | insig. | 43 | 80 |
| | Pseudomonas protegens RBAN4 | FABNJH_26640 | atoC | DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, and a Fis-type DNA-binding domains | strong | 43 | 79 |
| | Agrobacterium fabrum C58 | Atu3296 | | two component response regulator for C4-dicarboxylate transport | strong | 39 | 90 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 43 | 77 |
| | Pseudomonas sp. SVBP6 | COO64_RS15090 | | sigma-54 dependent transcriptional regulator | strong | 43 | 80 |
| | Azospirillum sp. SherDot2 | MPMX19_04090 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 42 | 79 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS10690 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 88 |
| | Escherichia coli ECRC100 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 38 | 95 |