| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Azospirillum sp. SherDot2 | MPMX19_06065 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 100 | 100 |
| o | Pseudomonas stutzeri RCH2 | Psest_1071 | | Transcriptional regulator containing PAS, AAA-type ATPase, and DNA-binding domains | strong | 53 | 96 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_00410 | | Fis family transcriptional regulator | sig. | 52 | 97 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS38530 | hbcR;inference=COORDINATES | sigma-54-dependent transcriptional regulator HbcR | insig. | 52 | 97 |
| o | Pseudomonas sp. RS175 | PFR28_01397 | | Anaerobic nitric oxide reductase transcription regulator NorR | sig. | 52 | 97 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS16210 | hbcR;inference=COORDINATES | sigma-54-dependent transcriptional regulator HbcR | sig. | 51 | 97 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2039 | | Sigma-54 dependent transcriptional regulator | sig. | 52 | 97 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03547 | | Transcriptional regulator containing PAS, AAA-type ATPase, and DNA-binding Fis domains | insig. | 52 | 95 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS34340 | | Fis family transcriptional regulator | strong | 52 | 95 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_09800 | | sigma-54-dependent transcriptional regulator HbcR | insig. | 51 | 97 |
| o | Paraburkholderia graminis OAS925 | ABIE53_004708 | | transcriptional regulator with PAS, ATPase and Fis domain | insig. | 52 | 95 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5631 | | Sigma-54 dependent transcriptional regulator | insig. | 51 | 97 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_21780 | | Fis family transcriptional regulator | insig. | 51 | 97 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_2875 | | Sigma-54 dependent transcriptional regulator | strong | 51 | 97 |
| o | Pseudomonas sp. SVBP6 | COO64_RS23875 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 51 | 97 |
| o | Pseudomonas sp. S08-1 | OH686_00830 | | Transcriptional regulator | cofit | 52 | 97 |
| o | Pseudomonas putida KT2440 | PP_3075 | | putative transcriptional regulator | strong | 53 | 97 |
| o | Pseudomonas sp. DMC3 | GFF3656 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 51 | 97 |
| o | Pseudomonas orientalis W4I3 | QF045_RS14150 | | sigma 54-interacting transcriptional regulator | cofit | 50 | 97 |
| | Pseudomonas segetis P6 | MPMX49_00786 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 50 | 96 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS17125 | | sigma 54-interacting transcriptional regulator | insig. | 53 | 95 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03364 | | Anaerobic nitric oxide reductase transcription regulator NorR | cofit | 50 | 98 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS10735 | | Fis family transcriptional regulator | insig. | 51 | 97 |
| o | Pseudomonas simiae WCS417 | PS417_12160 | | Fis family transcriptional regulator | insig. | 50 | 97 |
| o | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5124 | | Sigma-54 dependent transcriptional regulator | insig. | 51 | 96 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS12850 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 97 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS12850 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 49 | 97 |
| o | Marinobacter adhaerens HP15 | HP15_3793 | | protein containing RNA polymerase sigma factor 54, interaction / helix-turn-helix, Fis-type | insig. | 53 | 94 |
| | Azospirillum brasilense Sp245 | AZOBR_RS21185 | | Fis family transcriptional regulator | insig. | 50 | 96 |
| | Azospirillum sp. SherDot2 | MPMX19_05582 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 50 | 97 |
| | Azospirillum sp. SherDot2 | MPMX19_03130 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 49 | 94 |
| | Azospirillum brasilense Sp245 | AZOBR_RS26990 | | Fis family transcriptional regulator | insig. | 48 | 95 |
| | Variovorax sp. OAS795 | ABID97_RS17700 | | sigma 54-interacting transcriptional regulator | insig. | 48 | 94 |
| o | Variovorax sp. SCN45 | GFF518 | | Transcriptional regulator containing PAS, AAA-type ATPase, and DNA-binding domains | insig. | 47 | 96 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_63 | | Sigma-54 dependent transcriptional regulator | insig. | 47 | 93 |
| | Xanthobacter sp. DMC5 | GFF2822 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 46 | 94 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1933 | | PAS modulated sigma54 specific transcriptional regulator, Fis family (RefSeq) | insig. | 38 | 93 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS01330 | | Fis family transcriptional regulator | insig. | 37 | 91 |
| | Variovorax sp. SCN45 | GFF3669 | | Two-component system response regulator protein | no data | 48 | 66 |
| | Xanthobacter sp. DMC5 | GFF4834 | | Regulatory protein AtoC | insig. | 45 | 73 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS11255 | | Fis family transcriptional regulator | strong | 37 | 91 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 44 | 73 |
| | Dickeya dadantii 3937 | DDA3937_RS15640 | | two-component system response regulator GlrR | cofit | 43 | 66 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01292 | | Regulatory protein AtoC | cofit | 44 | 73 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 73 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 43 | 73 |
| | Caulobacter crescentus NA1000 | CCNA_03424 | | AAA-family response regulator tacA | strong | 41 | 67 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03424 | | AAA-family response regulator tacA | cofit | 41 | 67 |
| | Dickeya dianthicola 67-19 | HGI48_RS15735 | | two-component system response regulator GlrR | insig. | 42 | 66 |
| | Dickeya dianthicola ME23 | DZA65_RS16815 | | two-component system response regulator GlrR | insig. | 42 | 66 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1419 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | sig. | 46 | 66 |
| | Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 43 | 73 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 41 | 80 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 43 | 74 |
| | Serratia liquefaciens MT49 | IAI46_19460 | | two-component system response regulator GlrR | sig. | 41 | 67 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS14380 | | sigma-54 dependent transcriptional regulator | insig. | 39 | 74 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS09115 | | sigma-54 dependent transcriptional regulator | insig. | 40 | 72 |
| | Rahnella sp. WP5 | EX31_RS20615 | | two-component system response regulator GlrR | insig. | 42 | 67 |
| | Pseudomonas orientalis W4I3 | QF045_RS08450 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 73 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2455 | | Putative sensory histidine kinase YfhA | strong | 42 | 67 |
| | Dechlorosoma suillum PS | Dsui_2360 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 45 | 65 |
| | Pectobacterium carotovorum WPP14 | HER17_RS05925 | | two-component system response regulator GlrR | cofit | 41 | 66 |
| | Escherichia fergusonii Becca | EFB2_01342 | | Transcriptional regulatory protein QseF | insig. | 41 | 67 |
| | Escherichia coli ECOR27 | NOLOHH_13170 | qseF | two-component system response regulator QseF/GlrR | cofit | 41 | 67 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01153 | | Transcriptional regulatory protein GlrR | insig. | 41 | 67 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS14455 | | two-component system response regulator GlrR | strong | 41 | 67 |
| | Escherichia coli ECOR38 | HEPCGN_20640 | qseF | two-component system response regulator QseF/GlrR | strong | 41 | 67 |
| | Escherichia coli ECRC62 | BNILDI_11970 | qseF | two-component system response regulator QseF/GlrR | strong | 41 | 67 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS23170 | | ATPase AAA | insig. | 45 | 66 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4019 | | Sigma-54 dependent transcriptional regulator | sig. | 44 | 67 |
| | Enterobacter sp. TBS_079 | MPMX20_03423 | | Transcriptional regulatory protein QseF | sig. | 41 | 67 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 43 | 65 |
| | Escherichia coli BL21 | ECD_02446 | | response regulator regulating glmY sRNA in two-component system with sensor protein GlrK | sig. | 41 | 67 |
| | Escherichia coli ECRC100 | OKFHMN_21495 | qseF | two-component system response regulator QseF/GlrR | cofit | 41 | 67 |
| | Escherichia coli ECRC101 | MCAODC_12025 | qseF | two-component system response regulator QseF/GlrR | cofit | 41 | 67 |
| | Escherichia coli ECRC102 | NIAGMN_19265 | qseF | two-component system response regulator QseF/GlrR | cofit | 41 | 67 |
| | Escherichia coli ECRC98 | JDDGAC_25160 | qseF | two-component system response regulator QseF/GlrR | cofit | 41 | 67 |
| | Escherichia coli ECRC99 | KEDOAH_06725 | qseF | two-component system response regulator QseF/GlrR | no data | 41 | 67 |
| | Escherichia coli BW25113 | b2554 | yfhA | predicted DNA-binding response regulator in two-component system (NCBI) | sig. | 41 | 67 |
| | Erwinia amylovora T8 | OLJFJH_10330 | | two-component system response regulator QseF/GlrR | cofit | 41 | 66 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 65 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1260 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 41 | 66 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4725 | | Formate hydrogenlyase transcriptional activator | insig. | 41 | 74 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0096 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | sig. | 41 | 67 |
| | Pseudomonas sp. SVBP6 | COO64_RS07975 | | sigma-54 dependent transcriptional regulator | insig. | 46 | 66 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS23710 | | response regulator GlrR | insig. | 45 | 64 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_03040 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 44 | 66 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_02930 | qseF | two-component system response regulator QseF/GlrR | cofit | 41 | 66 |
| | Erwinia tracheiphila SCR3 | LU632_RS17930 | glrR | two-component system response regulator GlrR | insig. | 41 | 66 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS14835 | | two-component system response regulator GlrR | cofit | 40 | 66 |
| | 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. | 38 | 90 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 43 | 65 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 43 | 65 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2153 | | PAS modulated sigma54 specific transcriptional regulator, Fis family (RefSeq) | insig. | 42 | 80 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1930 | | Transcriptional regulatory protein zraR | insig. | 42 | 75 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15995 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 41 | 66 |
| | Escherichia coli ECRC100 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 41 | 72 |
| | Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 41 | 72 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 41 | 72 |
| | Escherichia fergusonii Becca | EFB2_01032 | | Anaerobic nitric oxide reductase transcription regulator NorR | insig. | 41 | 66 |