| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis S2 | MMP_RS05140 | | helix-turn-helix transcriptional regulator | sig. | 100 | 100 |
| o | Methanococcus maripaludis JJ | MMJJ_RS09235 | | helix-turn-helix transcriptional regulator | insig. | 98 | 100 |
| | Methanococcus maripaludis JJ | MMJJ_RS01520 | | helix-turn-helix transcriptional regulator | insig. | 49 | 95 |
| | Methanococcus maripaludis S2 | MMP_RS03535 | | helix-turn-helix transcriptional regulator | strong | 47 | 100 |
| | Shewanella loihica PV-4 | Shew_3627 | | XRE family transcriptional regulator (RefSeq) | no data | 48 | 100 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.5040.1 | | Transcriptional regulator | no data | 41 | 100 |
| | Sphingobium sp. HT1-2 | GFF394 | | Transcriptional regulator, Xre family | cofit | 41 | 92 |
| | Pseudomonas segetis P6 | MPMX49_04372 | | hypothetical protein | no data | 40 | 91 |
| | Cellulophaga baltica 18 | M666_RS11175 | | helix-turn-helix transcriptional regulator | insig. | 44 | 100 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS15135 | | helix-turn-helix transcriptional regulator | no data | 42 | 91 |
| | Caulobacter crescentus NA1000 | CCNA_02315 | | Cro/CI-family transcriptional regulator | strong | 45 | 91 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_02315 | | Cro/CI-family transcriptional regulator | no data | 45 | 91 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_2462 | | Predicted transcriptional regulators | insig. | 38 | 100 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_3307 | | Predicted transcriptional regulators | insig. | 41 | 100 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1984 | | transcriptional regulator (NCBI ptt file) | insig. | 37 | 94 |
| | Pseudomonas simiae WCS417 | PS417_09820 | | Cro/Cl family transcriptional regulator | no data | 37 | 91 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS18225 | | helix-turn-helix transcriptional regulator | sig. | 43 | 77 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_839 | | transcriptional regulator, MerR family | insig. | 38 | 91 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS16450 | | helix-turn-helix transcriptional regulator | insig. | 38 | 91 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_16665 | | Transcriptional regulator | insig. | 34 | 98 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS10405 | | helix-turn-helix transcriptional regulator | insig. | 37 | 91 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS10405 | | helix-turn-helix transcriptional regulator | insig. | 37 | 91 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS06710 | | helix-turn-helix transcriptional regulator | cofit | 37 | 91 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS06970 | | helix-turn-helix transcriptional regulator | sig. | 37 | 91 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS01430 | | helix-turn-helix transcriptional regulator | no data | 35 | 91 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_1174 | | Predicted transcriptional regulators | insig. | 37 | 86 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_21015 | | transcriptional regulator | insig. | 33 | 91 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0313 | | transcriptional regulator, XRE family | no data | 39 | 77 |
| | Pseudomonas sp. DMC3 | GFF1041 | | hypothetical protein | cofit | 37 | 91 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_09375 | | transcriptional regulator | insig. | 36 | 100 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1417 | | transcriptional regulator, XRE family | strong | 33 | 91 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS00070 | | helix-turn-helix transcriptional regulator | no data | 35 | 91 |
| | Pseudomonas sp. SVBP6 | COO64_RS09665 | | helix-turn-helix domain-containing protein | insig. | 35 | 100 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS34660 | | DNA-binding protein | sig. | 35 | 86 |
| | Sinorhizobium meliloti 1021 | SMc00351 | | hypothetical protein | insig. | 33 | 100 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS00580 | | helix-turn-helix transcriptional regulator | insig. | 33 | 97 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03588 | | transcriptional regulator, XRE family with cupin sensor | sig. | 35 | 86 |
| | Paraburkholderia graminis OAS925 | ABIE53_004670 | | transcriptional regulator with XRE-family HTH domain | sig. | 35 | 86 |
| | Shewanella oneidensis MR-1 | SOA0002 | | type II restriction-modification system activator, putative (NCBI ptt file) | strong | 33 | 91 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS16530 | | XRE family transcriptional regulator | insig. | 33 | 86 |
| | Escherichia fergusonii Becca | EFB2_02820 | | hypothetical protein | insig. | 33 | 94 |
| | Escherichia coli ECOR27 | NOLOHH_22965 | | XRE family transcriptional regulator | insig. | 33 | 94 |
| | Escherichia coli ECRC100 | OKFHMN_24690 | | XRE family transcriptional regulator | no data | 33 | 94 |
| | Escherichia coli ECRC102 | NIAGMN_23325 | | XRE family transcriptional regulator | no data | 33 | 94 |
| | Escherichia coli ECRC98 | JDDGAC_28800 | | XRE family transcriptional regulator | insig. | 33 | 94 |
| | Escherichia coli ECRC99 | KEDOAH_03435 | | XRE family transcriptional regulator | no data | 33 | 94 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS06705 | | helix-turn-helix transcriptional regulator | no data | 33 | 94 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1294.1 | | hypothetical protein | insig. | 31 | 92 |
| | Pseudomonas sp. RS175 | PFR28_01071 | | hypothetical protein | strong | 35 | 94 |
| | Xanthobacter sp. DMC5 | GFF295 | | hypothetical protein | insig. | 35 | 97 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_06745 | | DNA-binding protein | sig. | 35 | 91 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3201 | | Transcriptional regulator, MerR family | strong | 35 | 91 |
| | Variovorax sp. OAS795 | ABID97_RS13245 | | XRE family transcriptional regulator | insig. | 33 | 100 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3859 | | Transcriptional regulator, Cro/CI family | insig. | 35 | 94 |
| | Dickeya dianthicola ME23 | DZA65_RS02805 | | helix-turn-helix transcriptional regulator | cofit | 34 | 82 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03889 | | HTH-type transcriptional regulator SutR | cofit | 30 | 95 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_00700 | | Cro/Cl family transcriptional regulator | strong | 34 | 94 |
| | Rhodospirillum rubrum S1H | Rru_A3344 | | Transcriptional Regulator, XRE family (NCBI) | sig. | 33 | 86 |