| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Escherichia coli ECOR38 | HEPCGN_19730 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 100 | 100 |
| | Escherichia coli ECOR27 | NOLOHH_12385 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 100 | 97 |
| | Escherichia coli ECRC100 | OKFHMN_20540 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 100 | 97 |
| | Escherichia coli ECRC101 | MCAODC_11065 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 100 | 97 |
| | Escherichia coli ECRC102 | NIAGMN_18310 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 100 | 97 |
| | Escherichia coli ECRC98 | JDDGAC_24205 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 100 | 97 |
| | Escherichia coli ECRC99 | KEDOAH_07595 | flhA | formate hydrogenlyase transcriptional activator FlhA | no data | 100 | 97 |
| | Escherichia coli ECRC62 | BNILDI_10935 | flhA | formate hydrogenlyase transcriptional activator FlhA | cofit | 100 | 97 |
| | Escherichia coli BL21 | ECD_02581 | | formate hydrogenlyase transcriptional activator | insig. | 100 | 97 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01003 | | Formate hydrogenlyase transcriptional activator FhlA | insig. | 100 | 97 |
| | Escherichia coli BW25113 | b2731 | fhlA | DNA-binding transcriptional activator (NCBI) | insig. | 100 | 97 |
| | Escherichia fergusonii Becca | EFB2_01192 | | Formate hydrogenlyase transcriptional activator FhlA | cofit | 99 | 97 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15260 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 99 | 97 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4725 | | Formate hydrogenlyase transcriptional activator | insig. | 91 | 96 |
| | Enterobacter sp. TBS_079 | MPMX20_03616 | | Formate hydrogenlyase transcriptional activator | insig. | 84 | 97 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2822 | | Transcriptional regulator containing GAF, AAA-type ATPase, and DNA binding domains | insig. | 84 | 97 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_01045 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 84 | 97 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_03040 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 84 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS22370 | | transcriptional regulator FhlA | insig. | 83 | 97 |
| | Serratia liquefaciens MT49 | IAI46_12570 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 57 | 96 |
| | Rahnella sp. WP5 | EX31_RS19870 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 55 | 97 |
| | Dickeya dianthicola ME23 | DZA65_RS07775 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 97 |
| | Dickeya dianthicola 67-19 | HGI48_RS07265 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 97 |
| | Dickeya dadantii 3937 | DDA3937_RS07400 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 48 | 97 |
| | Rhodospirillum rubrum S1H | Rru_A0326 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | insig. | 42 | 95 |
| | Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 46 | 72 |
| | Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 46 | 72 |
| | Escherichia coli ECRC100 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 46 | 72 |
| | Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 46 | 72 |
| | Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 46 | 72 |
| | Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 46 | 72 |
| | Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 46 | 72 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | cofit | 46 | 72 |
| | Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 46 | 72 |
| | Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 64 | 31 |
| | Marinobacter adhaerens HP15 | HP15_1011 | | two component, sigma54 specific, transcriptional regulator, Fis family | insig. | 55 | 36 |
| | Rhodopseudomonas palustris CGA009 | TX73_010880 | | sigma 54-interacting transcriptional regulator | insig. | 60 | 33 |
| | Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 69 | 26 |
| | Cellulophaga baltica 18 | M666_RS12540 | | sigma 54-interacting response regulator | insig. | 37 | 59 |
| | Bosea sp. OAE506 | ABIE41_RS06250 | | sigma 54-interacting transcriptional regulator | insig. | 56 | 33 |
| | Azospirillum sp. SherDot2 | MPMX19_01840 | | Nif-specific regulatory protein | insig. | 36 | 62 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2528 | | transcriptional regulator, NifA subfamily, Fis Family (RefSeq) | strong | 37 | 63 |
| | Shewanella sp. ANA-3 | Shewana3_0845 | | anaerobic nitric oxide reductase transcription regulator (RefSeq) | insig. | 42 | 45 |
| | Rhodopseudomonas palustris CGA009 | TX73_024055 | | nif-specific transcriptional activator NifA | strong | 52 | 33 |
| | Shewanella amazonensis SB2B | Sama_2834 | | sigma-54 dependent transcriptional regulator/sensory box protein (RefSeq) | insig. | 55 | 33 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3010 | | sigma54 specific transcriptional regulator, Fis family (RefSeq) | strong | 46 | 43 |
| | Dickeya dadantii 3937 | DDA3937_RS04535 | | nitric oxide reductase transcriptional regulator NorR | insig. | 43 | 45 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_02920 | | nitric oxide reductase transcriptional regulator NorR | sig. | 44 | 45 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_01069 | norR | nitric oxide reductase transcriptional regulator NorR | sig. | 44 | 45 |
| | Klebsiella michiganensis M5al | BWI76_RS22250 | | nitric oxide reductase transcription regulator | insig. | 43 | 45 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVUA0143 | nifA-2 | nif-specific regulatory protein (TIGR) | strong | 36 | 63 |
| | Dickeya dianthicola ME23 | DZA65_RS04415 | | nitric oxide reductase transcriptional regulator NorR | insig. | 43 | 45 |
| | Shewanella oneidensis MR-1 | SO3660 | | sigma-54 dependent transcriptional regulator/sensory box protein (NCBI ptt file) | insig. | 53 | 33 |
| | Rhodospirillum rubrum S1H | Rru_A0993 | | Transcriptional Regulator, NifA, Fis Family (NCBI) | strong | 42 | 44 |
| | Dickeya dianthicola 67-19 | HGI48_RS04495 | | nitric oxide reductase transcriptional regulator NorR | insig. | 43 | 45 |
| | Shewanella sp. ANA-3 | Shewana3_3227 | | Fis family transcriptional regulator (RefSeq) | insig. | 53 | 33 |
| | Shewanella loihica PV-4 | Shew_3082 | | sigma-54 dependent trancsriptional regulator (RefSeq) | insig. | 54 | 33 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_02353 | norR | nitric oxide reductase transcriptional regulator NorR | sig. | 44 | 45 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_13385 | | nitric oxide reductase transcriptional regulator NorR | sig. | 44 | 45 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_02392 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 44 | 45 |
| | Alteromonas macleodii MIT1002 | MIT1002_01081 | | Nitrogen assimilation regulatory protein | cofit | 51 | 35 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2359 | | sigma-54 dependent transcriptional regulator (TIGR) | insig. | 46 | 42 |
| | Shewanella loihica PV-4 | Shew_0656 | | anaerobic nitric oxide reductase transcription regulator (RefSeq) | insig. | 41 | 45 |
| | Rhodopseudomonas palustris CGA009 | TX73_007055 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 41 | 49 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14390 | | ATPase AAA | strong | 37 | 62 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2934 | ntrX | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 50 | 35 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17530 | | nif-specific transcriptional activator NifA | insig. | 59 | 27 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1461 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 50 | 37 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS30560 | | transcriptional regulator | insig. | 44 | 45 |
| | Shewanella amazonensis SB2B | Sama_0727 | | anaerobic nitric oxide reductase transcription regulator (RefSeq) | insig. | 40 | 45 |
| | Shewanella sp. ANA-3 | Shewana3_1338 | | sigma-54 dependent trancsriptional regulator (RefSeq) | strong | 58 | 28 |
| | Dechlorosoma suillum PS | Dsui_0940 | | Nif-specific regulatory protein | strong | 52 | 35 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04828 | | Nitric oxide reductase transcription regulator NorR2 | insig. | 44 | 45 |
| | Pseudomonas orientalis W4I3 | QF045_RS25670 | | nitric oxide reductase transcriptional regulator NorR | insig. | 44 | 45 |
| | Azospirillum brasilense Sp245 | AZOBR_RS29300 | | Fis family transcriptional regulator | insig. | 46 | 43 |
| | Pseudomonas sp. DMC3 | GFF4398 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 46 | 42 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 44 | 45 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS15700 | | nitric oxide reductase transcriptional regulator NorR | insig. | 44 | 45 |
| | Shewanella oneidensis MR-1 | SO3232 | flrA | flagellar regulatory protein A (NCBI ptt file) | strong | 57 | 28 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_15435 | | transcriptional regulator | insig. | 45 | 45 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2858 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 58 | 29 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS23170 | | ATPase AAA | insig. | 57 | 28 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3220 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | no data | 52 | 34 |
| | Pseudomonas sp. RS175 | PFR28_00239 | | Nitric oxide reductase transcription regulator NorR2 | insig. | 46 | 41 |
| | Shewanella amazonensis SB2B | Sama_2301 | | response regulator receiver protein (RefSeq) | strong | 57 | 28 |
| | Pseudomonas sp. S08-1 | OH686_12120 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 44 | 45 |
| | Shewanella loihica PV-4 | Shew_1362 | | sigma-54 dependent trancsriptional regulator (RefSeq) | strong | 57 | 28 |
| | Pseudomonas protegens RBAN4 | FABNJH_25450 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 46 | 41 |
| | Pseudomonas sp. BP01 | JOY50_RS23015 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 46 | 41 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS25235 | | nitric oxide reductase transcriptional regulator NorR | insig. | 44 | 45 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS25235 | | nitric oxide reductase transcriptional regulator NorR | insig. | 44 | 45 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_04951 | cbrB | two-component system response regulator CbrB | strong | 58 | 29 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_29980 | | two-component system response regulator CbrB | strong | 58 | 29 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_05028 | cbrB | two-component system response regulator CbrB | strong | 58 | 29 |
| | Pseudomonas segetis P6 | ACVTMO_RS06070 | | sigma-54-dependent transcriptional regulator | no data | 57 | 29 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 57 | 29 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS25735 | | sigma-54-dependent Fis family transcriptional regulator | strong | 57 | 29 |
| | Pseudomonas sp. DMC3 | GFF4030 | | Transcriptional regulatory protein ZraR | strong | 57 | 29 |
| | Pseudomonas putida KT2440 | PP_0807 | | DNA-binding transcriptional dual regulator (NO) | insig. | 46 | 41 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04930 | | Transcriptional regulatory protein ZraR | cofit | 57 | 29 |
| | Pseudomonas orientalis W4I3 | QF045_RS26155 | | sigma-54 dependent transcriptional regulator | strong | 57 | 29 |
| | Pseudomonas simiae WCS417 | PS417_23895 | | Fis family transcriptional regulator | no data | 57 | 29 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_14400 | | Fis family transcriptional regulator | strong | 57 | 29 |
| | Rhodospirillum rubrum S1H | Rru_A1388 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | cofit | 46 | 41 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 41 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 42 | 41 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 42 | 41 |
| | Pseudomonas protegens RBAN4 | FABNJH_24715 | | Sigma-54-dependent Fis family transcriptional regulator | insig. | 42 | 41 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_16945 | | transcriptional regulator | insig. | 45 | 41 |
| | Pseudomonas stutzeri RCH2 | Psest_1765 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 58 | 28 |
| | 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 | 58 | 29 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1524 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 57 | 29 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4939 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 46 | 41 |
| | Pseudomonas sp. S08-1 | OH686_02855 | | Flagellar regulatory protein FleQ | cofit | 57 | 28 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5156 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 57 | 29 |
| | Pseudomonas simiae WCS417 | PS417_19825 | | ATPase AAA | strong | 58 | 28 |
| | Pseudomonas sp. RS175 | PFR28_03718 | | Transcriptional regulatory protein ZraR | strong | 57 | 29 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_16075 | | Fis family transcriptional regulator | strong | 56 | 29 |
| | Pseudomonas sp. SVBP6 | COO64_RS11340 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 45 | 41 |
| | Variovorax sp. OAS795 | ABID97_RS27095 | | nitric oxide reductase transcriptional regulator NorR | no data | 42 | 45 |
| | Azospirillum sp. SherDot2 | MPMX19_03461 | | Regulatory protein AtoC | insig. | 59 | 27 |
| | Pseudomonas sp. DMC3 | GFF2445 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 58 | 28 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04163 | | Anaerobic nitric oxide reductase transcription regulator NorR | strong | 58 | 28 |
| | Pseudomonas orientalis W4I3 | QF045_RS21955 | | sigma-54 dependent transcriptional regulator | cofit | 58 | 28 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_18660 | | AAA family ATPase | strong | 58 | 28 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_926 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 45 | 41 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS21795 | | sigma-54-dependent Fis family transcriptional regulator | strong | 58 | 28 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS21795 | | sigma-54-dependent Fis family transcriptional regulator | strong | 58 | 28 |
| | Pseudomonas protegens RBAN4 | FABNJH_08495 | atoC | DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, and a Fis-type DNA-binding domains | insig. | 58 | 28 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3461 | | Helix-turn-helix, Fis-type | strong | 58 | 28 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3461 | | Helix-turn-helix, Fis-type | cofit | 58 | 28 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3599 | | Flagellar regulatory protein FleQ | insig. | 58 | 28 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2455 | | Putative sensory histidine kinase YfhA | strong | 58 | 28 |
| | Pseudomonas putida KT2440 | PP_4373 | | Transcriptional regulator FleQ | strong | 58 | 28 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_10670 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 57 | 28 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5314 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 45 | 41 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0831 | | Two-component response regulator CbrB | sig. | 58 | 28 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0831 | | Two-component response regulator CbrB | no data | 58 | 28 |
| | Pseudomonas sp. S08-1 | OH686_17260 | | Two-component sensor CbrB: intrcellular carbon:nitrogen balance | strong | 58 | 28 |
| | Pseudomonas stutzeri RCH2 | Psest_0999 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 58 | 28 |
| | Pseudomonas sp. BP01 | JOY50_RS00705 | fleQ | transcriptional regulator FleQ | sig. | 58 | 28 |
| | Pseudomonas sp. RS175 | PFR28_00828 | | Anaerobic nitric oxide reductase transcription regulator NorR | strong | 58 | 28 |
| | Pseudomonas sp. SVBP6 | COO64_RS21300 | fleQ | transcriptional regulator FleQ | cofit | 58 | 28 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4357 | | Flagellar regulatory protein FleQ | insig. | 58 | 28 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_03855 | | AAA family ATPase | strong | 58 | 28 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2597 | | Flagellar regulatory protein FleQ | strong | 58 | 28 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 57 | 28 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 57 | 28 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 57 | 28 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 57 | 28 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 57 | 28 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 57 | 28 |
| | Pseudomonas putida KT2440 | PP_4696 | | Nitrogen regulation protein NR(I) | strong | 57 | 29 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 34 |
| | Xanthobacter sp. DMC5 | GFF4584 | | Nif-specific regulatory protein | insig. | 48 | 33 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS30045 | | ATPase AAA | insig. | 39 | 52 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 58 | 28 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 57 | 28 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS20155 | | sigma-54 dependent transcriptional regulator | insig. | 59 | 27 |
| | Pseudomonas sp. SVBP6 | COO64_RS07975 | | sigma-54 dependent transcriptional regulator | insig. | 58 | 27 |
| | Shewanella loihica PV-4 | Shew_2282 | | Fis family transcriptional regulator (RefSeq) | insig. | 34 | 62 |
| | Pseudomonas sp. BP01 | JOY50_RS27675 | | sigma-54 dependent transcriptional regulator | cofit | 57 | 29 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 42 | 41 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 41 | 41 |
| | Klebsiella michiganensis M5al | BWI76_RS21250 | | two-component system response regulator GlrR | strong | 59 | 27 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS12530 | | transcriptional regulator | insig. | 58 | 27 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_14900 | | regulatory protein LuxO | insig. | 41 | 45 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 53 | 31 |
| | Pseudomonas simiae WCS417 | PS417_23405 | | transcriptional regulator | insig. | 44 | 45 |
| | Pseudomonas sp. SVBP6 | COO64_RS15090 | | sigma-54 dependent transcriptional regulator | strong | 57 | 29 |
| | Dickeya dadantii 3937 | DDA3937_RS15640 | | two-component system response regulator GlrR | cofit | 53 | 31 |
| | Azospirillum brasilense Sp245 | AZOBR_RS21130 | | Fis family transcriptional regulator | insig. | 51 | 32 |
| | Escherichia fergusonii Becca | EFB2_01342 | | Transcriptional regulatory protein QseF | insig. | 58 | 27 |
| | Escherichia coli ECOR27 | NOLOHH_13170 | qseF | two-component system response regulator QseF/GlrR | strong | 58 | 27 |
| | Escherichia coli ECOR38 | HEPCGN_20640 | qseF | two-component system response regulator QseF/GlrR | strong | 58 | 27 |
| | Escherichia coli ECRC62 | BNILDI_11970 | qseF | two-component system response regulator QseF/GlrR | strong | 58 | 27 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01153 | | Transcriptional regulatory protein GlrR | insig. | 58 | 27 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS14455 | | two-component system response regulator GlrR | strong | 58 | 27 |
| | Methylophilus sp. DMC18 | GFF2815 | | Regulatory protein AtoC | insig. | 57 | 27 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 57 | 28 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 57 | 28 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 57 | 28 |
| | Pseudomonas sp. RS175 | PFR28_02218 | | Nitric oxide reductase transcription regulator NorR2 | sig. | 55 | 28 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.252.1 | | Nitrogen regulation protein NtrC | strong | 54 | 31 |
| | Dickeya dianthicola ME23 | DZA65_RS16815 | | two-component system response regulator GlrR | insig. | 53 | 31 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_28370 | | two-component system response regulator QseF/GlrR | insig. | 58 | 27 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_01232 | qseF | two-component system response regulator QseF/GlrR | sig. | 58 | 27 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 57 | 28 |
| | Dickeya dianthicola 67-19 | HGI48_RS15735 | | two-component system response regulator GlrR | insig. | 53 | 31 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS13485 | | sigma-54-dependent Fis family transcriptional regulator | strong | 57 | 27 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 57 | 28 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 57 | 28 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 57 | 28 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25140 | | transcriptional regulator | sig. | 54 | 28 |
| | Methylophilus sp. DMC18 | GFF149 | | Nif-specific regulatory protein | insig. | 46 | 42 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS05900 | | nitric oxide reductase transcriptional regulator NorR | cofit | 43 | 45 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS13225 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 57 | 27 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 56 | 28 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_717 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | strong | 54 | 28 |
| | Rahnella sp. WP5 | EX31_RS20615 | | two-component system response regulator GlrR | insig. | 53 | 31 |
| | Azospirillum brasilense Sp245 | AZOBR_RS21185 | | Fis family transcriptional regulator | insig. | 47 | 40 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_04033 | fleQ | transcriptional regulator FleQ | strong | 58 | 28 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_05045 | | transcriptional regulator FleQ | strong | 58 | 28 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_04081 | fleQ | transcriptional regulator FleQ | strong | 58 | 28 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0215 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 52 | 31 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 50 | 35 |
| | Escherichia coli BL21 | ECD_02446 | | response regulator regulating glmY sRNA in two-component system with sensor protein GlrK | sig. | 57 | 27 |
| | Escherichia coli ECRC100 | OKFHMN_21495 | qseF | two-component system response regulator QseF/GlrR | cofit | 57 | 27 |
| | Escherichia coli ECRC101 | MCAODC_12025 | qseF | two-component system response regulator QseF/GlrR | cofit | 57 | 27 |
| | Escherichia coli ECRC102 | NIAGMN_19265 | qseF | two-component system response regulator QseF/GlrR | cofit | 57 | 27 |
| | Escherichia coli ECRC98 | JDDGAC_25160 | qseF | two-component system response regulator QseF/GlrR | cofit | 57 | 27 |
| | Escherichia coli ECRC99 | KEDOAH_06725 | qseF | two-component system response regulator QseF/GlrR | no data | 57 | 27 |
| | Escherichia coli BW25113 | b2554 | yfhA | predicted DNA-binding response regulator in two-component system (NCBI) | sig. | 57 | 27 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS15090 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 56 | 27 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03547 | | Transcriptional regulator containing PAS, AAA-type ATPase, and DNA-binding Fis domains | insig. | 51 | 33 |
| | Paraburkholderia graminis OAS925 | ABIE53_004708 | | transcriptional regulator with PAS, ATPase and Fis domain | insig. | 51 | 33 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_04380 | | response regulator | strong | 49 | 35 |
| | Lysobacter sp. OAE881 | ABIE51_RS16770 | | sigma-54 dependent transcriptional regulator | cofit | 58 | 27 |
| | Marinobacter adhaerens HP15 | HP15_2330 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 55 | 28 |
| | Serratia liquefaciens MT49 | IAI46_19460 | | two-component system response regulator GlrR | sig. | 53 | 31 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18445 | | chemotaxis protein CheY | insig. | 52 | 31 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2200 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | no data | 49 | 34 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5813 | | Functional role page for Anaerobic nitric oxide reductase transcription regulator NorR | no data | 56 | 27 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1930 | | Transcriptional regulatory protein zraR | insig. | 53 | 28 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_03805 | | C4-dicarboxylate ABC transporter | strong | 53 | 31 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1806 | | Nitrogen regulation protein NR(I) | strong | 53 | 31 |
| | Pseudomonas sp. DMC3 | GFF5115 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | insig. | 53 | 31 |
| | Alteromonas macleodii MIT1002 | MIT1002_03245 | | Regulatory protein LuxO | insig. | 41 | 45 |
| | Enterobacter sp. TBS_079 | MPMX20_03423 | | Transcriptional regulatory protein QseF | sig. | 57 | 27 |
| | Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 56 | 28 |
| | Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 56 | 28 |
| | Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 56 | 28 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS34340 | | Fis family transcriptional regulator | strong | 51 | 33 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0096 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | sig. | 57 | 27 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 56 | 28 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1692 | | PAS modulated sigma54 specific transcriptional regulator, Fis family (RefSeq) | sig. | 53 | 32 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5565 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | insig. | 52 | 32 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS15680 | | chemotaxis protein CheY | strong | 52 | 30 |
| | Pectobacterium carotovorum WPP14 | HER17_RS05925 | | two-component system response regulator GlrR | cofit | 52 | 31 |
| | Pseudomonas segetis P6 | ACVTMO_RS08750 | norR | nitric oxide reductase transcriptional regulator NorR | insig. | 41 | 45 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS42175 | | nif-specific transcriptional activator NifA | insig. | 59 | 27 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS05235 | glrR | two-component system response regulator GlrR | cofit | 54 | 31 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1419 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 52 | 31 |
| | Caulobacter crescentus NA1000 | CCNA_03424 | | AAA-family response regulator tacA | strong | 46 | 35 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03424 | | AAA-family response regulator tacA | cofit | 46 | 35 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_02735 | | Fis family transcriptional regulator | cofit | 56 | 27 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4775 | | Two component, Sigma-54 Specific, central transcriptional regulator of acidic amino acid uptake | strong | 53 | 31 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_685 | | Nitrogen regulation protein NR(I) | no data | 53 | 31 |
| | Pseudomonas sp. RS175 | PFR28_03376 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | sig. | 52 | 31 |
| | Marinobacter adhaerens HP15 | HP15_425 | | two-component response regulator NtrC | strong | 39 | 50 |