| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Xanthobacter sp. DMC5 | GFF2026 | | Photosynthetic apparatus regulatory protein RegA | insig. | 100 | 100 |
| o | Sphingobium sp. HT1-2 | GFF1818 | | Dna binding response regulator PrrA (RegA) | cofit | 70 | 99 |
| o | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS04475 | | response regulator transcription factor | insig. | 70 | 98 |
| o | Bosea sp. OAE506 | ABIE41_RS21050 | | response regulator transcription factor | insig. | 68 | 100 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS23150 | | chemotaxis protein CheY | strong | 68 | 99 |
| o | Azospirillum sp. SherDot2 | MPMX19_06181 | | Photosynthetic apparatus regulatory protein RegA | no data | 68 | 97 |
| o | Variovorax sp. SCN45 | GFF5672 | | Dna binding response regulator PrrA (RegA) | cofit | 68 | 98 |
| o | Variovorax sp. OAS795 | ABID97_RS07610 | | response regulator transcription factor | insig. | 68 | 98 |
| o | Acidovorax sp. GW101-3H11 | Ac3H11_3147 | | Dna binding response regulator PrrA (RegA) | no data | 69 | 97 |
| o | Caulobacter crescentus NA1000 | CCNA_01845 | | two-component response regulator protein | sig. | 66 | 100 |
| o | Caulobacter crescentus NA1000 Δfur | CCNA_01845 | | two-component response regulator protein | cofit | 66 | 100 |
| o | Herbaspirillum seropedicae SmR1 | HSERO_RS12290 | | chemotaxis protein CheY | no data | 68 | 99 |
| o | Lysobacter sp. OAE881 | ABIE51_RS09795 | | response regulator transcription factor | no data | 67 | 98 |
| o | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1560 | | Response regulator consisting of a CheY-like receiver domain and a Fis-type HTH domain | strong | 67 | 97 |
| o | Dechlorosoma suillum PS | Dsui_1180 | | response regulator consisting of a CheY-like receiver domain and a Fis-type HTH domain protein | insig. | 52 | 96 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS10115 | | response regulator transcription factor | no data | 48 | 99 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_5048 | | Dna binding response regulator PrrA (RegA) | sig. | 47 | 96 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_4230 | | Helix-turn-helix, Fis-type | strong | 47 | 96 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_4230 | | Helix-turn-helix, Fis-type | sig. | 47 | 96 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_10900 | | two-component system response regulator | no data | 47 | 97 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS04140 | | response regulator transcription factor | cofit | 46 | 96 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS04140 | | response regulator transcription factor | strong | 46 | 96 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_01025 | | Photosynthetic apparatus regulatory protein RegA | no data | 46 | 96 |
| | Pseudomonas sp. RS175 | PFR28_00137 | | Photosynthetic apparatus regulatory protein RegA | no data | 46 | 96 |
| | Pseudomonas orientalis W4I3 | QF045_RS07100 | | response regulator transcription factor | no data | 46 | 96 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_07205 | | chemotaxis protein CheY | no data | 46 | 96 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3302 | | Dna binding response regulator PrrA (RegA) | no data | 46 | 96 |
| | Pseudomonas sp. SVBP6 | COO64_RS04135 | | response regulator transcription factor | insig. | 46 | 96 |
| | Pseudomonas simiae WCS417 | PS417_04100 | | chemotaxis protein CheY | no data | 46 | 96 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1115 | | Dna binding response regulator PrrA (RegA) | strong | 46 | 96 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_05335 | | chemotaxis protein CheY | no data | 46 | 96 |
| | Pseudomonas sp. DMC3 | GFF1794 | | Photosynthetic apparatus regulatory protein RegA | no data | 46 | 96 |
| | Pseudomonas stutzeri RCH2 | Psest_3338 | | Response regulator consisting of a CheY-like receiver domain and a Fis-type HTH domain | strong | 47 | 96 |
| | Pseudomonas sp. S08-1 | OH686_08680 | | Dna binding response regulator PrrA (RegA) | insig. | 48 | 96 |
| | Pseudomonas segetis P6 | ACVTMO_RS19235 | | response regulator transcription factor | strong | 48 | 96 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS24010 | | response regulator transcription factor | sig. | 47 | 96 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS56470 | | response regulator transcription factor | strong | 47 | 96 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_01615 | | two-component system response regulator | strong | 47 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3430 | | two component transcriptional regulator, Fis family (RefSeq) | no data | 47 | 95 |
| | Pseudomonas sp. BP01 | JOY50_RS10995 | | response regulator transcription factor | sig. | 45 | 96 |
| | Pseudomonas putida KT2440 | PP_0888 | | Photosynthetic apparatus regulatory protein RegA | sig. | 45 | 96 |
| | Agrobacterium fabrum C58 | Atu0050 | | two component response regulator | strong | 47 | 97 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS03810 | | response regulator transcription factor | cofit | 46 | 97 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS04040 | | response regulator transcription factor | no data | 46 | 97 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS05865 | | response regulator transcription factor | cofit | 45 | 97 |
| | Sinorhizobium meliloti 1021 | SMc02584 | | transcriptional regulator | no data | 44 | 97 |
| | Rhizobium sp. OAE497 | ABIE40_RS19505 | | ActR/PrrA/RegA family redox response regulator transcription factor | cofit | 45 | 95 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_1932 | | Response regulator consisting of a CheY-like receiver domain and a Fis-type HTH domain | strong | 45 | 95 |
| o | Shewanella amazonensis SB2B | Sama_3186 | | response regulator receiver protein (RefSeq) | strong | 44 | 98 |
| | Rhodopseudomonas palustris CGA009 | TX73_002960 | | ActR/PrrA/RegA family redox response regulator transcription factor | strong | 43 | 97 |
| o | Shewanella sp. ANA-3 | Shewana3_3707 | | response regulator receiver protein (RefSeq) | cofit | 45 | 97 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS00325 | | response regulator transcription factor | no data | 43 | 98 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c35390 | | photosynthetic apparatus regulatory protein RegA | no data | 44 | 97 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02208 | | two component transcriptional regulator, Fis family | no data | 43 | 98 |
| | Paraburkholderia graminis OAS925 | ABIE53_000420 | | two-component system response regulator RegA | no data | 43 | 98 |
| | Bosea sp. OAE506 | ABIE41_RS03875 | | ActR/PrrA/RegA family redox response regulator transcription factor | insig. | 45 | 97 |
| | Xanthobacter sp. DMC5 | GFF2284 | | Photosynthetic apparatus regulatory protein RegA | no data | 44 | 97 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS01625 | | chemotaxis protein CheY | strong | 43 | 98 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS13000 | | chemotaxis protein CheY | sig. | 45 | 96 |
| o | Marinobacter adhaerens HP15 | HP15_3981 | | two component transcriptional regulator, Fis family | strong | 43 | 98 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.3041.1 | | Dna binding response regulator PrrA (RegA) | cofit | 45 | 94 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS09615 | | DNA-binding response regulator | strong | 43 | 99 |
| | Ralstonia solanacearum UW163 | UW163_RS03965 | | DNA-binding response regulator | insig. | 43 | 99 |
| | Shewanella oneidensis MR-1 | SO4172 | | DNA-binding response regulator (NCBI ptt file) | insig. | 44 | 97 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS23750 | | DNA-binding response regulator | strong | 43 | 99 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS01085 | | chemotaxis protein CheY | sig. | 45 | 97 |
| | Ralstonia solanacearum GMI1000 | RS_RS00200 | | DNA-binding response regulator | strong | 42 | 99 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS05135 | | response regulator transcription factor | no data | 42 | 99 |
| | Azospirillum brasilense Sp245 | AZOBR_RS03415 | | chemotaxis protein CheY | sig. | 46 | 95 |
| | Azospirillum sp. SherDot2 | MPMX19_05623 | | Photosynthetic apparatus regulatory protein RegA | sig. | 45 | 95 |
| | Dechlorosoma suillum PS | Dsui_1912 | | response regulator consisting of a CheY-like receiver domain and a Fis-type HTH domain protein | no data | 44 | 95 |
| | Shewanella loihica PV-4 | Shew_3342 | | two component Fis family transcriptional regulator (RefSeq) | insig. | 41 | 95 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS15075 | | ActR/PrrA/RegA family redox response regulator transcription factor | insig. | 43 | 88 |
| | Rhizobium sp. OAE497 | ABIE40_RS30355 | | response regulator | insig. | 37 | 95 |
| | Caulobacter crescentus NA1000 | CCNA_00247 | | two-component receiver protein SpdR | sig. | 41 | 88 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00247 | | two-component receiver protein SpdR | cofit | 41 | 88 |
| | Methylophilus sp. DMC18 | GFF1277 | | Regulatory protein AtoC | insig. | 30 | 71 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2334 | | response regulator receiver protein (RefSeq) | insig. | 37 | 65 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0140 | cheYI | response regulator (TIGR) | insig. | 39 | 59 |
| | Cellulophaga baltica 18 | M666_RS03195 | | sigma-54 dependent transcriptional regulator | insig. | 33 | 56 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_4656 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | cofit | 30 | 60 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT3801 | | rteB, two-component system response regulator (NCBI ptt file) | strong | 30 | 69 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_16520 | | DNA-binding response regulator | insig. | 35 | 59 |
| | Azospirillum sp. SherDot2 | MPMX19_06089 | | Regulatory protein LuxO | insig. | 39 | 61 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2768.1 | | hypothetical protein | strong | 35 | 63 |
| | Ralstonia solanacearum GMI1000 | RS_RS25105 | | sigma-54-dependent Fis family transcriptional regulator | cofit | 33 | 63 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS23315 | | sigma-54-dependent Fis family transcriptional regulator | strong | 33 | 63 |
| | Ralstonia solanacearum UW163 | UW163_RS16565 | | sigma-54-dependent Fis family transcriptional regulator | strong | 33 | 63 |
| | Pseudomonas stutzeri RCH2 | Psest_4267 | | Response regulator containing CheY-like receiver, AAA-type ATPase, and DNA-binding domains | strong | 35 | 60 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0137 | | nitrogen regulation protein NR(I) | strong | 33 | 66 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2748 | | two component, sigma54 specific, transcriptional regulator, Fis family (RefSeq) | insig. | 39 | 56 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03647 | | Sigma-54 interaction domain protein | cofit | 30 | 60 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS07835 | | sigma-54-dependent Fis family transcriptional regulator | strong | 32 | 63 |
| | Xanthobacter sp. DMC5 | GFF1564 | | Sensor histidine kinase RcsC | insig. | 33 | 65 |
| | Pseudomonas sp. RS175 | PFR28_04889 | | C4-dicarboxylate transport transcriptional regulatory protein DctD | strong | 32 | 64 |
| | Pseudomonas sp. DMC3 | GFF1302 | | Regulator of RpoS | no data | 37 | 56 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS16810 | | Fis family transcriptional regulator | strong | 36 | 60 |
| | Rhodospirillum rubrum S1H | Rru_A1435 | | Two Component, Sigma54 Specific, Transcriptional Regulator, Fis family (NCBI) | strong | 35 | 59 |
| | Pseudomonas sp. BP01 | JOY50_RS21060 | algB | sigma-54-dependent response regulator transcription factor AlgB | insig. | 33 | 64 |
| | Pseudomonas putida KT2440 | PP_0133 | | Alginate biosynthesis transcriptional regulatory protein AlgB | sig. | 33 | 64 |