| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Dinoroseobacter shibae DFL-12 | Dshi_0513 | | transcriptional regulator, LuxR family (RefSeq) | sig. | 100 | 100 |
| | Rhodopseudomonas palustris CGA009 | TX73_010870 | | response regulator | insig. | 65 | 35 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01880 | | two component transcriptional regulator, LuxR family | insig. | 59 | 37 |
| | Sphingobium sp. HT1-2 | GFF5226 | | Two-component nitrogen fixation transcriptional regulator FixJ | insig. | 48 | 47 |
| | Lysobacter sp. OAE881 | ABIE51_RS09725 | | response regulator | no data | 46 | 54 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17625 | | Nodulation protein W | no data | 42 | 64 |
| | Dechlorosoma suillum PS | Dsui_1581 | | response regulator | strong | 58 | 38 |
| | Marinobacter adhaerens HP15 | HP15_1053 | | two component transcriptional regulator, LuxR family | sig. | 33 | 65 |
| | Paraburkholderia graminis OAS925 | ABIE53_005785 | | FixJ family two-component response regulator | no data | 55 | 41 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1724 | | DNA-binding response regulator, LuxR family | no data | 34 | 70 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS22535 | | LuxR family transcriptional regulator | insig. | 57 | 37 |
| | Xanthobacter sp. DMC5 | GFF483 | | Sensor histidine kinase RcsC | insig. | 40 | 65 |
| | Sinorhizobium meliloti 1021 | SMa1227 | | response regulator FixJ | cofit | 55 | 41 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS01680 | | DNA-binding response regulator | no data | 52 | 40 |
| | Ralstonia solanacearum UW163 | UW163_RS14990 | | DNA-binding response regulator | no data | 52 | 40 |
| | Ralstonia solanacearum GMI1000 | RS_RS08045 | | DNA-binding response regulator | cofit | 52 | 39 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS15805 | | DNA-binding response regulator | no data | 52 | 39 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0931 | | Response regulator | insig. | 38 | 71 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS13480 | | response regulator transcription factor | no data | 52 | 39 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS03440 | | response regulator | insig. | 48 | 54 |
| | Rhodospirillum rubrum S1H | Rru_A1500 | | Signal Transduction Histidine Kinase (STHK) with CheB and CheR activity (NCBI) | insig. | 48 | 37 |
| | Rhizobium sp. OAE497 | ABIE40_RS15215 | | response regulator | insig. | 44 | 55 |
| | Sphingobium sp. HT1-2 | GFF1112 | | Two-component transcriptional response regulator, LuxR family | cofit | 43 | 45 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3828 | | two component transcriptional regulator, LuxR family | insig. | 48 | 39 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF2537 | | Two-component response regulator | strong | 36 | 68 |
| | Azospirillum sp. SherDot2 | MPMX19_03583 | | Response regulator protein TodT | no data | 60 | 34 |
| | Agrobacterium fabrum C58 | Atu4774 | | two component response regulator | insig. | 59 | 36 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01776 | | two component transcriptional regulator, LuxR family | insig. | 45 | 65 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23775 | | LuxR family transcriptional regulator | no data | 54 | 38 |
| | Sphingobium sp. HT1-2 | GFF5392 | | Two-component nitrogen fixation transcriptional regulator FixJ | cofit | 49 | 39 |
| | Caulobacter crescentus NA1000 | CCNA_00795 | | two-component response regulator FixJ | strong | 48 | 46 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00795 | | two-component response regulator FixJ | cofit | 48 | 46 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS07355 | | LuxR family transcriptional regulator | no data | 49 | 39 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS30660 | | response regulator transcription factor | no data | 60 | 35 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS24605 | | DNA-binding response regulator | no data | 54 | 41 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS04170 | | response regulator transcription factor | no data | 51 | 39 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF4893 | | Nitrogen regulation protein NR(I) | cofit | 51 | 38 |
| | Pseudomonas sp. S08-1 | OH686_18645 | | Two-component transcriptional response regulator, LuxR family | insig. | 55 | 35 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_3507 | | Response regulator | insig. | 53 | 39 |
| | Sinorhizobium meliloti 1021 | SMa0940 | | Response regulator | insig. | 52 | 37 |
| | Rhizobium sp. OAE497 | ABIE40_RS23715 | | response regulator | insig. | 50 | 48 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00464 | | two component transcriptional regulator, LuxR family | no data | 47 | 40 |
| | Lysobacter sp. OAE881 | ABIE51_RS11970 | | response regulator transcription factor | insig. | 55 | 40 |
| | Pseudomonas segetis P6 | ACVTMO_RS02215 | | response regulator transcription factor | insig. | 52 | 43 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS12850 | | LuxR family transcriptional regulator | no data | 47 | 40 |
| | Paraburkholderia graminis OAS925 | ABIE53_002795 | | FixJ family two-component response regulator | no data | 47 | 40 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS05715 | | oxygen response regulator transcription factor FixJ | no data | 47 | 40 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4095 | | Nitrogen regulation protein NR(I) | strong | 41 | 54 |
| | Shewanella loihica PV-4 | Shew_1969 | | two component LuxR family transcriptional regulator (RefSeq) | insig. | 48 | 39 |
| | Shewanella loihica PV-4 | Shew_3240 | | two component LuxR family transcriptional regulator (RefSeq) | insig. | 35 | 62 |
| | Pseudomonas sp. RS175 | PFR28_02131 | | Response regulator protein TmoT | insig. | 49 | 42 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS13785 | | response regulator transcription factor | cofit | 52 | 37 |
| | Pantoea sp. MT58 | IAI47_20275 | | response regulator transcription factor | insig. | 51 | 39 |
| | Xanthobacter sp. DMC5 | GFF3781 | | Transcriptional regulatory protein FixJ | insig. | 51 | 41 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25435 | | nodulation protein NolW | insig. | 56 | 35 |
| | Pseudomonas sp. DMC3 | GFF1098 | | Response regulator protein TodT | no data | 55 | 39 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS04570 | | DNA-binding response regulator | no data | 50 | 40 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1205 | | Two-component response regulator | strong | 37 | 64 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS34645 | | LuxR family transcriptional regulator | no data | 52 | 43 |
| | Pseudomonas simiae WCS417 | PS417_10320 | | hypothetical protein | insig. | 56 | 35 |
| | Azospirillum sp. SherDot2 | MPMX19_03988 | | hypothetical protein | no data | 53 | 37 |
| | Azospirillum brasilense Sp245 | AZOBR_RS24030 | | chemotaxis protein CheY | no data | 49 | 41 |
| | Variovorax sp. OAS795 | ABID97_RS14090 | | response regulator transcription factor | cofit | 49 | 38 |
| | Variovorax sp. SCN45 | GFF965 | | Two-component transcriptional response regulator, LuxR family | no data | 49 | 38 |
| | Sphingobium sp. HT1-2 | GFF3048 | | Two-component nitrogen fixation transcriptional regulator FixJ | cofit | 48 | 37 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS39350 | | response regulator transcription factor | no data | 48 | 39 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS13745 | | response regulator | no data | 47 | 46 |
| | Azospirillum sp. SherDot2 | MPMX19_02868 | | Response regulator protein TmoT | insig. | 46 | 46 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_05022 | | two component transcriptional regulator, LuxR family | insig. | 53 | 34 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS15535 | | response regulator | no data | 54 | 36 |
| | Azospirillum brasilense Sp245 | AZOBR_RS09615 | | LuxR family transcriptional regulator | no data | 52 | 39 |
| | Agrobacterium fabrum C58 | Atu4300 | | two component response regulator | insig. | 54 | 35 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS11910 | | chemotaxis protein CheY | no data | 53 | 35 |
| | Azospirillum sp. SherDot2 | MPMX19_03016 | | Response regulator protein TmoT | no data | 51 | 38 |
| | Rhodopseudomonas palustris CGA009 | TX73_022010 | | response regulator FixJ | no data | 36 | 54 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS35950 | | chemotaxis protein CheY | no data | 50 | 39 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03395 | | two component transcriptional regulator, LuxR family | insig. | 46 | 44 |
| | Xanthobacter sp. DMC5 | GFF4035 | | Response regulator protein TmoT | no data | 53 | 35 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS37545 | | response regulator | insig. | 48 | 39 |
| | Dechlorosoma suillum PS | Dsui_2511 | | response regulator | insig. | 48 | 36 |
| | Lysobacter sp. OAE881 | ABIE51_RS16750 | | response regulator transcription factor | cofit | 45 | 41 |
| | Pseudomonas putida KT2440 | PP_3551 | | DNA-binding response regulator, LuxR family | strong | 33 | 66 |
| | Rhodopseudomonas palustris CGA009 | TX73_006750 | | response regulator | insig. | 51 | 38 |
| | Sinorhizobium meliloti 1021 | SM_b20869 | | two-component response regulator protein | insig. | 46 | 58 |
| | Rhizobium sp. OAE497 | ABIE40_RS15185 | | response regulator | insig. | 44 | 45 |
| | Sinorhizobium meliloti 1021 | SMa1686 | | Two-component response regulator | insig. | 45 | 43 |
| | Pseudomonas sp. BP01 | JOY50_RS28135 | | response regulator transcription factor | insig. | 34 | 66 |
| | Ralstonia solanacearum GMI1000 | RS_RS11600 | | DNA-binding response regulator | insig. | 30 | 75 |
| | Paraburkholderia graminis OAS925 | ABIE53_001505 | | FixJ family two-component response regulator | insig. | 46 | 41 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06435 | | response regulator | insig. | 40 | 54 |
| | Azospirillum sp. SherDot2 | MPMX19_04701 | | Transcriptional regulatory protein FixJ | insig. | 34 | 86 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_4074 | | two component transcriptional regulator, LuxR family | insig. | 33 | 66 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c23630 | | putative transcriptional regulator | insig. | 46 | 38 |
| | Pseudomonas sp. SVBP6 | COO64_RS25290 | | LuxR C-terminal-related transcriptional regulator | insig. | 32 | 75 |
| | Klebsiella michiganensis M5al | BWI76_RS06060 | | DNA-binding response regulator | sig. | 46 | 42 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS14590 | | helix-turn-helix transcriptional regulator | insig. | 44 | 38 |
| | Serratia liquefaciens MT49 | IAI46_04860 | | response regulator transcription factor | sig. | 57 | 35 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS21035 | | response regulator | insig. | 49 | 34 |
| | Dechlorosoma suillum PS | Dsui_3160 | | response regulator | strong | 32 | 63 |
| | Pseudomonas sp. DMC3 | GFF2809 | | Protein-glutamate methylesterase/protein-glutamine glutaminase | insig. | 50 | 35 |