Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| Escherichia coli BW25113 | b2491 | hyfR | putative 2-component regulator, interaction with sigma 54 (VIMSS) | sig. | 100 | 100 |
o | Escherichia coli BL21 | ECD_02383 | | hydrogenase-4 transcriptional activator | cofit | 99 | 100 |
o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01235 | | DNA-binding transcriptional activator HyfR | insig. | 99 | 100 |
o | Escherichia coli ECRC62 | BNILDI_12310 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 99 | 100 |
o | Escherichia coli ECRC101 | OKFHMN_21850 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 99 | 100 |
o | Escherichia coli ECRC101 | MCAODC_12380 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 99 | 100 |
o | Escherichia coli ECRC102 | NIAGMN_19620 | hyfR | DNA-binding transcriptional regulator HyfR | insig. | 99 | 100 |
o | Escherichia coli ECRC98 | JDDGAC_25795 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 99 | 100 |
o | Escherichia coli ECRC99 | KEDOAH_06370 | hyfR | DNA-binding transcriptional regulator HyfR | no data | 99 | 100 |
| Escherichia coli ECOR38 | HEPCGN_21015 | hyfR | DNA-binding transcriptional activator HyfR | insig. | 99 | 52 |
| Escherichia coli ECOR27 | NOLOHH_13505 | | GAF domain-containing protein | insig. | 98 | 49 |
| Escherichia coli ECOR38 | HEPCGN_21020 | hyfR | DNA-binding transcriptional activator HyfR | cofit | 99 | 47 |
| Escherichia coli ECOR27 | NOLOHH_13500 | | Fis family transcriptional regulator | insig. | 100 | 47 |
| Dickeya dianthicola 67-19 | HGI48_RS07265 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 50 | 92 |
| Dickeya dianthicola ME23 | DZA65_RS07775 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 50 | 92 |
| Dickeya dadantii 3937 | DDA3937_RS07400 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 50 | 92 |
| Rahnella sp. WP5 | EX31_RS19870 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 86 |
| Serratia liquefaciens MT49 | IAI46_12570 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 86 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4725 | | Formate hydrogenlyase transcriptional activator | insig. | 51 | 84 |
| Escherichia coli ECRC101 | OKFHMN_20540 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 84 |
| Escherichia coli ECRC101 | MCAODC_11065 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 84 |
| Escherichia coli ECRC102 | NIAGMN_18310 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 84 |
| Escherichia coli ECRC98 | JDDGAC_24205 | flhA | formate hydrogenlyase transcriptional activator FlhA | no data | 51 | 84 |
| Escherichia coli ECRC99 | KEDOAH_07595 | flhA | formate hydrogenlyase transcriptional activator FlhA | no data | 51 | 84 |
| Escherichia fergusonii Becca | EFB2_01192 | | Formate hydrogenlyase transcriptional activator FhlA | cofit | 51 | 84 |
| Escherichia coli Nissle 1917 | ECOLIN_RS15260 | | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 84 |
| Escherichia coli ECOR27 | NOLOHH_12385 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 84 |
| Escherichia coli ECRC62 | BNILDI_10935 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 51 | 84 |
| Escherichia coli BL21 | ECD_02581 | | formate hydrogenlyase transcriptional activator | insig. | 51 | 84 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01003 | | Formate hydrogenlyase transcriptional activator FhlA | insig. | 51 | 84 |
| Escherichia coli BW25113 | b2731 | fhlA | DNA-binding transcriptional activator (NCBI) | insig. | 51 | 84 |
| Enterobacter asburiae PDN3 | EX28DRAFT_2822 | | Transcriptional regulator containing GAF, AAA-type ATPase, and DNA binding domains | insig. | 50 | 84 |
| Klebsiella michiganensis M5al | BWI76_RS22370 | | transcriptional regulator FhlA | insig. | 51 | 84 |
| Enterobacter sp. TBS_079 | MPMX20_03616 | | Formate hydrogenlyase transcriptional activator | insig. | 50 | 84 |
| Rhodospirillum rubrum S1H | Rru_A0326 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | insig. | 47 | 85 |
| Shewanella sp. ANA-3 | Shewana3_3227 | | Fis family transcriptional regulator (RefSeq) | insig. | 49 | 51 |
| Shewanella oneidensis MR-1 | SO3660 | | sigma-54 dependent transcriptional regulator/sensory box protein (NCBI ptt file) | insig. | 48 | 51 |
| Marinobacter adhaerens HP15 | HP15_1011 | | two component, sigma54 specific, transcriptional regulator, Fis family | insig. | 50 | 53 |
| Rhodopseudomonas palustris CGA009 | TX73_010880 | | sigma 54-interacting transcriptional regulator | insig. | 52 | 51 |
| Escherichia coli ECOR38 | HEPCGN_19730 | flhA | formate hydrogenlyase transcriptional activator FlhA | insig. | 46 | 58 |
| Bosea sp. OAE506 | ABIE41_RS06250 | | sigma 54-interacting transcriptional regulator | insig. | 48 | 55 |
| Herbaspirillum seropedicae SmR1 | HSERO_RS14390 | | ATPase AAA | strong | 53 | 42 |
| Desulfovibrio vulgaris Hildenborough JW710 | DVU2359 | | sigma-54 dependent transcriptional regulator (TIGR) | insig. | 49 | 54 |
| Shewanella amazonensis SB2B | Sama_2834 | | sigma-54 dependent transcriptional regulator/sensory box protein (RefSeq) | insig. | 47 | 52 |
| Rhodopseudomonas palustris CGA009 | TX73_007055 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 39 | 66 |
| Azospirillum brasilense Sp245 | AZOBR_RS29300 | | Fis family transcriptional regulator | insig. | 43 | 60 |
| Desulfovibrio vulgaris Miyazaki F | DvMF_3010 | | sigma54 specific transcriptional regulator, Fis family (RefSeq) | strong | 44 | 54 |
| Rhodopseudomonas palustris CGA009 | TX73_007390 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 45 | 55 |
| Shewanella loihica PV-4 | Shew_3082 | | sigma-54 dependent trancsriptional regulator (RefSeq) | insig. | 46 | 52 |
| Rhodospirillum rubrum S1H | Rru_A1388 | | Transcriptional Regulator, NifA subfamily, Fis Family (NCBI) | cofit | 44 | 56 |
| Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 48 | 51 |
| Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | cofit | 48 | 51 |
| Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 48 | 51 |
| Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | cofit | 48 | 51 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 48 | 51 |
| Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 48 | 51 |
| Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 49 | 47 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 49 | 47 |
| Pseudomonas fluorescens SBW25 | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 44 | 51 |
| Pseudomonas fluorescens SBW25-INTG | PFLU_RS05610 | | sigma-54-dependent Fis family transcriptional regulator | strong | 44 | 51 |
| Pseudomonas simiae WCS417 | PS417_05525 | | Fis family transcriptional regulator | strong | 44 | 51 |
| Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 49 | 47 |
| Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 49 | 47 |
| Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2800.1 | | Flagellar regulatory protein FleQ | sig. | 48 | 47 |
| Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 49 | 47 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 48 | 47 |
| Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 48 | 48 |
| Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 47 |
| Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | cofit | 48 | 47 |
| Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 48 | 47 |
| Dechlorosoma suillum PS | Dsui_0940 | | Nif-specific regulatory protein | strong | 55 | 38 |
| Rhodopseudomonas palustris CGA009 | TX73_024055 | | nif-specific transcriptional activator NifA | strong | 54 | 38 |
| Dechlorosoma suillum PS | Dsui_2360 | | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 49 | 47 |
| Escherichia coli ECRC101 | MCAODC_03820 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 47 |
| Escherichia coli ECRC102 | NIAGMN_11070 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 47 |
| Escherichia coli ECRC99 | KEDOAH_14840 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 48 | 47 |
| Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 47 | 50 |
| Rhodospirillum rubrum S1H | Rru_A1385 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | cofit | 41 | 63 |
| Pseudomonas fluorescens SBW25 | PFLU_RS21795 | | sigma-54-dependent Fis family transcriptional regulator | strong | 46 | 48 |
| Pseudomonas fluorescens SBW25-INTG | PFLU_RS21795 | | sigma-54-dependent Fis family transcriptional regulator | strong | 46 | 48 |
| Pseudomonas fluorescens FW300-N2E3 | AO353_18660 | | AAA family ATPase | strong | 46 | 48 |
| Shewanella amazonensis SB2B | Sama_2301 | | response regulator receiver protein (RefSeq) | strong | 45 | 48 |
| Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 44 | 51 |
| Pseudomonas sp. RS175 | PFR28_00828 | | Anaerobic nitric oxide reductase transcription regulator NorR | strong | 46 | 48 |
| Pseudomonas fluorescens FW300-N2C3 | AO356_03855 | | AAA family ATPase | strong | 46 | 48 |
| Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2597 | | Flagellar regulatory protein FleQ | strong | 46 | 48 |
| Pseudomonas sp. S08-1 | OH686_02855 | | Flagellar regulatory protein FleQ | cofit | 45 | 48 |
| Pseudomonas stutzeri RCH2 | Psest_1765 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 45 | 48 |
| Vibrio cholerae E7946 ATCC 55056 | CSW01_10670 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 40 | 59 |
| Shewanella oneidensis MR-1 | SO3059 | | formate hydrogenlyase transcriptional activator, putative (NCBI ptt file) | insig. | 36 | 69 |
| Pseudomonas simiae WCS417 | PS417_19825 | | ATPase AAA | strong | 46 | 48 |
| Marinobacter adhaerens HP15 | HP15_2330 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 46 | 48 |
| Escherichia coli ECRC101 | OKFHMN_13320 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 48 | 47 |
| Dickeya dadantii 3937 | DDA3937_RS18805 | | nif-specific transcriptional activator NifA | insig. | 47 | 49 |
| Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3599 | | Flagellar regulatory protein FleQ | insig. | 46 | 48 |
| Pseudomonas syringae pv. syringae B728a | Psyr_3461 | | Helix-turn-helix, Fis-type | strong | 45 | 48 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3461 | | Helix-turn-helix, Fis-type | cofit | 45 | 48 |
| Escherichia coli ECRC98 | JDDGAC_16945 | zraR | sigma-54-dependent response regulator transcription factor ZraR | no data | 48 | 47 |
| Desulfovibrio vulgaris Miyazaki F | DvMF_0215 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 54 | 39 |
| Pseudomonas putida KT2440 | PP_4373 | | Transcriptional regulator FleQ | strong | 45 | 48 |