| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_763 | | Sigma-54 dependent transcriptional regulator | insig. | 100 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_27825 | | Fis family transcriptional regulator | insig. | 97 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_01679 | | Regulatory protein AtoC | sig. | 95 | 100 |
| o | Pseudomonas sp. DMC3 | GFF3445 | | Transcriptional regulatory protein ZraR | cofit | 91 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4731 | | Sigma-54 dependent transcriptional regulator | sig. | 90 | 100 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_25810 | | Fis family transcriptional regulator | insig. | 90 | 100 |
| o | Pseudomonas simiae WCS417 | PS417_12465 | | Fis family transcriptional regulator | insig. | 87 | 99 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS13155 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 86 | 99 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS13155 | | sigma-54-dependent Fis family transcriptional regulator | sig. | 86 | 99 |
| o | Pseudomonas orientalis W4I3 | QF045_RS17445 | | sigma-54 dependent transcriptional regulator | insig. | 85 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS14675 | | sigma-54 dependent transcriptional regulator | insig. | 85 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02740 | | Regulatory protein AtoC | cofit | 85 | 99 |
| o | Pseudomonas sp. BP01 | JOY50_RS06050 | | sigma-54 dependent transcriptional regulator | insig. | 82 | 100 |
| o | Pseudomonas putida KT2440 | PP_3503 | | Sigma-54 dependent transcriptional regulator | sig. | 82 | 100 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3006 | | Sigma-54 dependent transcriptional regulator | insig. | 91 | 89 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_09495 | | Fis family transcriptional regulator | insig. | 78 | 100 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS28740 | | sigma-54 dependent transcriptional regulator | insig. | 78 | 100 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS38225 | | sigma-54 dependent transcriptional regulator | insig. | 77 | 100 |
| o | Pseudomonas segetis P6 | ACVTMO_RS01120 | | sigma-54 dependent transcriptional regulator | insig. | 74 | 100 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_3011 | | Helix-turn-helix, Fis-type | insig. | 63 | 100 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3011 | | Helix-turn-helix, Fis-type | insig. | 63 | 100 |
| o | Pseudomonas sp. S08-1 | OH686_00715 | | sigma-54-dependent transcriptional regulator | insig. | 58 | 95 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS26915 | | Fis family transcriptional regulator | insig. | 45 | 99 |
| o | Paraburkholderia graminis OAS925 | ABIE53_005893 | | DNA-binding NtrC family response regulator | insig. | 46 | 99 |
| o | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02899 | | DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, and a Fis-type DNA-binding domains | insig. | 45 | 99 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS04320 | | sigma-54 dependent transcriptional regulator | cofit | 48 | 89 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04306 | | sigma54 specific transcriptional regulator, Fis family | insig. | 49 | 89 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS14655 | | Fis family transcriptional regulator | sig. | 49 | 89 |
| | Paraburkholderia graminis OAS925 | ABIE53_003114 | | DNA-binding NtrC family response regulator | strong | 49 | 89 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS26550 | | Fis family transcriptional regulator | insig. | 46 | 96 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS37520 | | Fis family transcriptional regulator | sig. | 51 | 83 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS10690 | | sigma-54 dependent transcriptional regulator | insig. | 46 | 99 |
| o | Lysobacter sp. OAE881 | ABIE51_RS00855 | | sigma-54 dependent transcriptional regulator | insig. | 46 | 95 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS04280 | | sigma-54 dependent transcriptional regulator | insig. | 43 | 100 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS14695 | | Fis family transcriptional regulator | insig. | 44 | 98 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS30970 | | sigma-54 dependent transcriptional regulator | insig. | 48 | 86 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS10765 | | sigma-54 dependent transcriptional regulator | insig. | 49 | 83 |
| | Ralstonia solanacearum GMI1000 | RS_RS05945 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 49 | 83 |
| o | Ralstonia solanacearum PSI07 | RPSI07_RS18245 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 46 | 90 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_1941 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | insig. | 42 | 98 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS15125 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 48 | 83 |
| | Ralstonia solanacearum UW163 | UW163_RS12595 | | sigma-54-dependent Fis family transcriptional regulator | insig. | 48 | 83 |
| | Rhodospirillum rubrum S1H | Rru_A3104 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | insig. | 48 | 78 |
| o | Shewanella loihica PV-4 | Shew_1645 | | sigma-54 dependent trancsriptional regulator (RefSeq) | insig. | 46 | 83 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS17395 | | sigma-54 dependent transcriptional regulator | insig. | 48 | 84 |
| | Alteromonas macleodii MIT1002 | MIT1002_03048 | | Transcriptional regulatory protein ZraR | insig. | 44 | 78 |
| | Marinobacter adhaerens HP15 | HP15_1891 | | two component, sigma54 specific, transcriptional regulator, Fis family | insig. | 46 | 78 |
| | Shewanella sp. ANA-3 | Shewana3_0526 | | sigma-54 dependent trancsriptional regulator (RefSeq) | cofit | 47 | 83 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0670 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 47 | 78 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS06340 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 77 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS04185 | | Fis family transcriptional regulator | insig. | 43 | 86 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS13700 | | Fis family transcriptional regulator | insig. | 46 | 78 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS06595 | | sigma-54 dependent transcriptional regulator | insig. | 51 | 77 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_17035 | | Fis family transcriptional regulator | insig. | 54 | 67 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0521 | | PEP-CTERM-box response regulator transcription factor | strong | 43 | 78 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS15305 | | PEP-CTERM-box response regulator transcription factor | insig. | 40 | 94 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS12970 | | PEP-CTERM-box response regulator transcription factor | insig. | 40 | 94 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0823 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 39 | 98 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1363 | | PEP-CTERM-box response regulator transcription factor | strong | 46 | 78 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS13270 | | PEP-CTERM-box response regulator transcription factor | insig. | 40 | 94 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVUA0057 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 50 | 69 |
| o | Sphingobium sp. HT1-2 | GFF2313 | | Two-component system response regulator protein | insig. | 40 | 99 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2149 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | strong | 39 | 98 |
| | Shewanella amazonensis SB2B | Sama_1418 | | response regulator receiver protein (RefSeq) | insig. | 43 | 82 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5122 | | Type IV fimbriae expression regulatory protein PilR | insig. | 45 | 79 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2818 | | Type IV fimbriae expression regulatory protein PilR | insig. | 46 | 76 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_1489 | | Type IV fimbriae expression regulatory protein PilR | insig. | 47 | 79 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2114 | atoC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | insig. | 42 | 78 |
| | Pseudomonas sp. DMC3 | GFF4000 | | Regulatory protein AtoC | cofit | 46 | 76 |
| | Pseudomonas segetis P6 | ACVTMO_RS19460 | | sigma-54-dependent transcriptional regulator | cofit | 47 | 76 |
| | Marinobacter adhaerens HP15 | HP15_523 | | two component, sigma54 specific, transcriptional regulator, Fis family | strong | 42 | 76 |
| | Escherichia coli ECOR38 | HEPCGN_22430 | atoC | acetoacetate metabolism transcriptional regulator AtoC | insig. | 36 | 98 |
| | Pseudomonas sp. S08-1 | OH686_16390 | | Type IV fimbriae expression regulatory protein PilR | cofit | 46 | 76 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1993 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | sig. | 43 | 78 |
| | Escherichia fergusonii Becca | EFB2_01635 | | Regulatory protein AtoC | insig. | 36 | 98 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12965 | | acetoacetate metabolism transcriptional regulator AtoC | no data | 36 | 98 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS23710 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 45 | 76 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_00790 | | two-component response regulator PilR | strong | 45 | 76 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS56175 | pilR;inference=COORDINATES | two-component system response regulator PilR | strong | 45 | 76 |
| | Escherichia coli BL21 | ECD_02147 | | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein | insig. | 36 | 98 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01490 | | Regulatory protein AtoC | insig. | 36 | 98 |
| | Escherichia coli BW25113 | b2220 | atoC | fused response regulator of ato operon, in two-component system with AtoS: response regulator/sigma54 interaction protein (NCBI) | insig. | 36 | 98 |
| | Pseudomonas sp. RS175 | PFR28_03751 | | Regulatory protein AtoC | insig. | 45 | 76 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0110 | ntrC | sigma-54 dependent transcriptional regulator/response regulator (TIGR) | cofit | 42 | 78 |
| | Escherichia coli BL21 | ECD_03881 | | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein | insig. | 36 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS01605 | | transcriptional regulatory protein ZraR | insig. | 39 | 97 |
| | Pseudomonas stutzeri RCH2 | Psest_0705 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 45 | 76 |
| | Escherichia coli ECOR27 | NOLOHH_05465 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 36 | 97 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04045 | | Transcriptional regulatory protein ZraR | insig. | 36 | 97 |
| | Escherichia coli BW25113 | b4004 | zraR | fused DNA-binding response regulator in two-component regulatory system with ZraS: response regulator/sigma54 interaction protein (NCBI) | insig. | 36 | 97 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_14200 | | transcriptional regulator | insig. | 44 | 76 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_15905 | | transcriptional regulator | insig. | 44 | 79 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_16225 | | Fis family transcriptional regulator | insig. | 42 | 77 |
| | Escherichia coli ECRC62 | BNILDI_06055 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 36 | 97 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23090 | | sigma-54-dependent response regulator transcription factor ZraR | insig. | 36 | 97 |
| | Escherichia coli ECOR38 | HEPCGN_11960 | zraR | sigma-54-dependent response regulator transcription factor ZraR | insig. | 36 | 97 |
| | Escherichia fergusonii Becca | EFB2_04606 | | Transcriptional regulatory protein ZraR | insig. | 36 | 97 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF610 | | Putative sensory histidine kinase YfhA | insig. | 37 | 98 |
| | Methylophilus sp. DMC18 | GFF1426 | | Transcriptional regulatory protein ZraR | insig. | 44 | 77 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4188 | | Response regulator of zinc sigma-54-dependent two-component system | insig. | 42 | 77 |