| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS13175 | | winged helix-turn-helix transcriptional regulator | no data | 100 | 100 |
| o | Rhodanobacter denitrificans MT42 | LRK55_RS15260 | | winged helix-turn-helix transcriptional regulator | insig. | 88 | 100 |
| o | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS15540 | | helix-turn-helix transcriptional regulator | insig. | 88 | 100 |
| | Sinorhizobium meliloti 1021 | SMc01493 | | hypothetical protein | insig. | 35 | 87 |
| | Methylophilus sp. DMC18 | GFF1256 | | hypothetical protein | insig. | 40 | 64 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2974 | | transcriptional regulator, HxlR family (RefSeq) | insig. | 35 | 71 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS10925 | | helix-turn-helix domain-containing protein | insig. | 36 | 71 |
| | Dickeya dianthicola 67-19 | HGI48_RS04010 | | helix-turn-helix transcriptional regulator | insig. | 44 | 58 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_1752 | | transcriptional regulator, HxlR family | insig. | 37 | 69 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_1752 | | transcriptional regulator, HxlR family | insig. | 37 | 69 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS14215 | | helix-turn-helix domain-containing protein | no data | 36 | 88 |
| | Bosea sp. OAE506 | ABIE41_RS00345 | | helix-turn-helix domain-containing protein | insig. | 39 | 68 |
| | Rhodopseudomonas palustris CGA009 | TX73_014000 | | helix-turn-helix domain-containing protein | insig. | 39 | 67 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS04055 | | winged helix-turn-helix transcriptional regulator | insig. | 35 | 80 |
| | Ralstonia solanacearum GMI1000 | RS_RS10720 | | transcriptional regulator | no data | 41 | 54 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS11320 | | helix-turn-helix domain-containing protein | insig. | 34 | 61 |
| | Sphingobium sp. HT1-2 | GFF3866 | | Transcriptional regulator, HxlR family | cofit | 36 | 71 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_2545 | | Predicted transcriptional regulators | insig. | 34 | 64 |
| | Dickeya dadantii 3937 | DDA3937_RS21340 | | helix-turn-helix transcriptional regulator | insig. | 33 | 62 |
| | Xanthobacter sp. DMC5 | GFF2275 | | hypothetical protein | insig. | 40 | 70 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_1698 | | putative transcriptional regulator | insig. | 38 | 58 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.76.1 | | Transcriptional regulator, HxlR family | insig. | 34 | 77 |
| | Sphingobium sp. HT1-2 | GFF2334 | | Transcriptional regulator, HxlR family | cofit | 34 | 72 |
| | Pectobacterium carotovorum WPP14 | HER17_RS13865 | | helix-turn-helix transcriptional regulator | insig. | 33 | 67 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS16185 | | helix-turn-helix domain-containing protein | insig. | 39 | 59 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS16435 | | helix-turn-helix transcriptional regulator | insig. | 39 | 59 |
| | Ralstonia solanacearum GMI1000 | RS_RS21160 | | transcriptional regulator | insig. | 36 | 57 |
| | Rhodospirillum rubrum S1H | Rru_A2523 | | Predicted transcriptional regulator (NCBI) | insig. | 36 | 57 |
| | Fusobacterium nucleatum SB010 | HUW76_07180 | | helix-turn-helix transcriptional regulator | strong | 32 | 70 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS08140 | | helix-turn-helix domain-containing protein | insig. | 34 | 59 |
| | Acinetobacter baumannii LAC-4 | RR41_RS10620 | | helix-turn-helix transcriptional regulator | insig. | 31 | 63 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS16980 | | helix-turn-helix transcriptional regulator | insig. | 30 | 61 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2423 | | transcriptional regulator, putative (TIGR) | sig. | 35 | 67 |
| | Pectobacterium carotovorum WPP14 | HER17_RS17990 | | helix-turn-helix transcriptional regulator | insig. | 33 | 80 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS14860 | | helix-turn-helix transcriptional regulator | sig. | 39 | 55 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS14860 | | helix-turn-helix transcriptional regulator | insig. | 39 | 55 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02991 | | putative HTH-type transcriptional regulator YtcD | insig. | 39 | 55 |
| | Caulobacter crescentus NA1000 | CCNA_01913 | | MarR-family transcriptional regulator | strong | 33 | 68 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01913 | | MarR-family transcriptional regulator | insig. | 33 | 68 |
| | Bifidobacterium breve UCC2003 | BBR_RS11295 | | transcriptional regulator | insig. | 34 | 65 |
| | Pseudomonas simiae WCS417 | PS417_13760 | | transcriptional regulator | insig. | 40 | 53 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS02830 | | transcription regulator protein | insig. | 36 | 55 |
| | Rhizobium sp. OAE497 | ABIE40_RS11410 | | helix-turn-helix domain-containing protein | insig. | 32 | 74 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS21495 | | helix-turn-helix domain-containing protein | insig. | 37 | 59 |
| | Azospirillum sp. SherDot2 | MPMX19_02679 | | hypothetical protein | insig. | 34 | 66 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_00772 | | transcriptional regulator, HxlR family | insig. | 31 | 60 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_27405 | | MarR family transcriptional regulator | insig. | 30 | 70 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS19660 | | transcriptional regulator | no data | 34 | 54 |
| | Ralstonia solanacearum UW163 | UW163_RS19515 | | transcriptional regulator | insig. | 34 | 54 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS12155 | | helix-turn-helix transcriptional regulator | insig. | 41 | 56 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS12155 | | helix-turn-helix transcriptional regulator | sig. | 41 | 56 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS03695 | | winged helix-turn-helix transcriptional regulator | cofit | 40 | 52 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0659 | | transcriptional regulator, HxlR family | insig. | 38 | 57 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_11740 | | HTH hxlR-type domain-containing protein | insig. | 33 | 69 |
| | Alteromonas macleodii MIT1002 | MIT1002_02508 | | putative HTH-type transcriptional regulator YtcD | insig. | 36 | 76 |
| | Azospirillum sp. SherDot2 | MPMX19_01622 | | hypothetical protein | insig. | 33 | 73 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS20580 | | transcriptional regulator | insig. | 32 | 70 |
| | Ralstonia solanacearum UW163 | UW163_RS18595 | | transcriptional regulator | insig. | 32 | 70 |
| | Pseudomonas sp. RS175 | PFR28_01735 | | hypothetical protein | insig. | 29 | 70 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS08645 | | transcriptional regulator | insig. | 32 | 61 |
| | Escherichia coli BL21 | ECD_04084 | | DUF24 family HxlR-type putative transcriptional regulator | insig. | 38 | 53 |
| | Escherichia fergusonii Becca | EFB2_04316 | | hypothetical protein | insig. | 38 | 53 |
| | Escherichia coli ECOR27 | NOLOHH_04310 | ytfH | Uncharacterized HTH-type transcriptional regulator YtfH | insig. | 38 | 53 |
| | Escherichia coli ECRC100 | OKFHMN_12050 | ytfH | Uncharacterized HTH-type transcriptional regulator YtfH | insig. | 38 | 53 |
| | Escherichia coli ECRC101 | MCAODC_02565 | ytfH | Uncharacterized HTH-type transcriptional regulator YtfH | insig. | 38 | 53 |
| | Escherichia coli ECRC102 | NIAGMN_09900 | ytfH | Uncharacterized HTH-type transcriptional regulator YtfH | insig. | 38 | 53 |
| | Escherichia coli ECRC62 | BNILDI_07210 | ytfH | Uncharacterized HTH-type transcriptional regulator YtfH | insig. | 38 | 53 |
| | Escherichia coli ECRC99 | KEDOAH_16105 | ytfH | Uncharacterized HTH-type transcriptional regulator YtfH | no data | 38 | 53 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03821 | | hypothetical protein | insig. | 38 | 53 |
| | Escherichia coli BW25113 | b4212 | ytfH | orf, hypothetical protein (VIMSS) | insig. | 38 | 53 |
| | Pseudomonas protegens RBAN4 | FABNJH_04070 | | HTH hxlR-type domain-containing protein | insig. | 36 | 67 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_868 | | Transcriptional regulator, HxlR family | insig. | 30 | 83 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS05380 | | transcriptional regulator | no data | 34 | 68 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS24470 | | helix-turn-helix domain-containing protein | insig. | 38 | 53 |
| | Acinetobacter baumannii LAC-4 | RR41_RS19430 | | helix-turn-helix transcriptional regulator | sig. | 39 | 56 |
| | Escherichia coli ECOR38 | HEPCGN_10245 | hxlR | transcriptional regulator | insig. | 38 | 53 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS19795 | | winged helix-turn-helix transcriptional regulator | insig. | 34 | 76 |
| | Agrobacterium fabrum C58 | Atu2000 | | hypothetical protein | insig. | 33 | 61 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS03550 | | transcriptional regulator | insig. | 34 | 57 |
| | Agrobacterium fabrum C58 | Atu0863 | | hypothetical protein | insig. | 33 | 70 |
| | Pantoea sp. MT58 | IAI47_03465 | | helix-turn-helix transcriptional regulator | insig. | 39 | 52 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_11210 | | transcriptional regulator | insig. | 36 | 64 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS32965 | | HxlR family transcriptional regulator | no data | 33 | 75 |
| | Caulobacter crescentus NA1000 | CCNA_03067 | | MarR-family transcriptional regulator | cofit | 32 | 60 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03067 | | MarR-family transcriptional regulator | cofit | 32 | 60 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS02875 | | transcriptional regulator | strong | 31 | 90 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS15525 | | helix-turn-helix transcriptional regulator | insig. | 28 | 79 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS15525 | | helix-turn-helix transcriptional regulator | sig. | 28 | 79 |
| | Pseudomonas sp. RS175 | PFR28_04678 | | hypothetical protein | insig. | 40 | 50 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_11245 | | transcriptional regulator | insig. | 40 | 50 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4113 | | Redox-sensing transcriptional regulator QorR | insig. | 40 | 50 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_04539 | hxlR | HTH hxlR-type domain-containing protein | insig. | 39 | 51 |
| | Agrobacterium fabrum C58 | Atu0948 | | hypothetical protein | insig. | 37 | 56 |
| | Klebsiella michiganensis M5al | BWI76_RS02725 | | HxlR family transcriptional regulator | strong | 37 | 53 |
| | Marinobacter adhaerens HP15 | HP15_1686 | | hypothetical transcriptional regulator | cofit | 33 | 60 |
| | Rhizobium sp. OAE497 | ABIE40_RS29330 | | helix-turn-helix domain-containing protein | cofit | 32 | 75 |
| | Caulobacter crescentus NA1000 | CCNA_03210 | | MarR-family transcriptional regulator | sig. | 31 | 65 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03210 | | MarR-family transcriptional regulator | cofit | 31 | 65 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF865 | | Redox-sensing transcriptional regulator QorR | insig. | 38 | 51 |
| | Pseudomonas orientalis W4I3 | QF045_RS18590 | | winged helix-turn-helix transcriptional regulator | insig. | 34 | 63 |
| | Enterobacter sp. TBS_079 | MPMX20_00490 | | hypothetical protein | insig. | 38 | 51 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS21250 | | winged helix-turn-helix transcriptional regulator | cofit | 38 | 53 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00038 | | transcriptional regulator, HxlR family | insig. | 36 | 52 |
| | Alteromonas macleodii MIT1002 | MIT1002_01566 | | putative HTH-type transcriptional regulator YybR | insig. | 31 | 60 |
| | Cellulophaga baltica 18 | M666_RS01590 | | helix-turn-helix domain-containing protein | insig. | 30 | 61 |
| | Dickeya dadantii 3937 | DDA3937_RS09915 | | winged helix-turn-helix transcriptional regulator | insig. | 35 | 64 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS25400 | | MarR family transcriptional regulator | insig. | 33 | 61 |
| | Escherichia coli ECRC98 | JDDGAC_15690 | hxlR | transcriptional regulator | insig. | 37 | 53 |
| | Pectobacterium carotovorum WPP14 | HER17_RS03945 | | helix-turn-helix transcriptional regulator | insig. | 36 | 56 |
| | Dickeya dianthicola 67-19 | HGI48_RS09920 | | helix-turn-helix transcriptional regulator | insig. | 35 | 64 |
| | Dickeya dianthicola ME23 | DZA65_RS10255 | | helix-turn-helix transcriptional regulator | insig. | 35 | 64 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02695 | | transcriptional regulator, HxlR family | insig. | 36 | 62 |
| | Pseudomonas simiae WCS417 | PS417_16865 | | HxlR family transcriptional regulator | no data | 31 | 73 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_3399 | | transcriptional regulator, HxlR family | insig. | 38 | 51 |
| | Pseudomonas sp. DMC3 | GFF1168 | | hypothetical protein | no data | 37 | 56 |
| | Acinetobacter baumannii LAC-4 | RR41_RS16795 | | winged helix-turn-helix transcriptional regulator | sig. | 35 | 58 |
| | Ralstonia solanacearum GMI1000 | RS_RS22520 | | transcriptional regulator | insig. | 33 | 68 |
| | Azospirillum brasilense Sp245 | AZOBR_RS27550 | | transcriptional regulator | insig. | 40 | 51 |
| | Pantoea sp. MT58 | IAI47_19140 | | helix-turn-helix transcriptional regulator | cofit | 40 | 52 |
| | Dickeya dianthicola ME23 | DZA65_RS03585 | | helix-turn-helix transcriptional regulator | insig. | 36 | 56 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS22405 | | HxlR family transcriptional regulator | no data | 33 | 60 |
| | Paraburkholderia graminis OAS925 | ABIE53_005750 | | DNA-binding HxlR family transcriptional regulator | sig. | 37 | 52 |
| | Azospirillum brasilense Sp245 | AZOBR_RS31330 | | HxlR family transcriptional regulator | insig. | 37 | 52 |
| | Erwinia tracheiphila SCR3 | LU632_RS23135 | | helix-turn-helix transcriptional regulator | insig. | 36 | 52 |
| | Dickeya dianthicola 67-19 | HGI48_RS03475 | | winged helix-turn-helix transcriptional regulator | insig. | 36 | 56 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS00305 | | transcriptional regulator | insig. | 33 | 59 |
| | Pantoea sp. MT58 | IAI47_19640 | | helix-turn-helix transcriptional regulator | insig. | 32 | 76 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0359 | | transcriptional regulator, HxlR family | insig. | 36 | 68 |
| | Dickeya dianthicola 67-19 | HGI48_RS05300 | | helix-turn-helix transcriptional regulator | insig. | 35 | 53 |
| | Rhodospirillum rubrum S1H | Rru_A0337 | | Predicted transcriptional regulator (NCBI) | insig. | 37 | 61 |
| | Dickeya dadantii 3937 | DDA3937_RS03405 | | helix-turn-helix transcriptional regulator | insig. | 34 | 64 |
| | Pectobacterium carotovorum WPP14 | HER17_RS21785 | | helix-turn-helix transcriptional regulator | insig. | 30 | 67 |
| | Serratia liquefaciens MT49 | IAI46_08855 | | helix-turn-helix transcriptional regulator | insig. | 33 | 67 |
| | Acinetobacter baumannii LAC-4 | RR41_RS03960 | | helix-turn-helix transcriptional regulator | no data | 28 | 53 |
| | Pectobacterium carotovorum WPP14 | HER17_RS17855 | | helix-turn-helix transcriptional regulator | insig. | 36 | 64 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_1928 | | transcriptional regulator, HxlR family | insig. | 35 | 62 |
| | Rhizobium sp. OAE497 | ABIE40_RS28255 | | helix-turn-helix domain-containing protein | insig. | 34 | 79 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS03700 | | helix-turn-helix domain-containing protein | insig. | 31 | 55 |
| | Serratia liquefaciens MT49 | IAI46_19180 | | helix-turn-helix transcriptional regulator | insig. | 35 | 55 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS06865 | | helix-turn-helix domain-containing protein | insig. | 31 | 53 |
| | Dechlorosoma suillum PS | Dsui_2666 | | putative transcriptional regulator | insig. | 37 | 52 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS14440 | | transcriptional regulator | insig. | 32 | 56 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_1380 | | transcriptional regulator, HxlR family | insig. | 35 | 50 |
| | Dickeya dadantii 3937 | DDA3937_RS03790 | | helix-turn-helix transcriptional regulator | insig. | 31 | 53 |
| | Ralstonia solanacearum GMI1000 | RS_RS01040 | | transcriptional regulator | insig. | 31 | 53 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS21780 | | winged helix-turn-helix transcriptional regulator | cofit | 38 | 53 |
| | Variovorax sp. SCN45 | GFF1778 | | Transcriptional regulator, HxlR family | insig. | 35 | 53 |
| | Agrobacterium fabrum C58 | Atu5151 | | transcriptional regulator | insig. | 32 | 60 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS00710 | | helix-turn-helix transcriptional regulator | cofit | 31 | 64 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_02305 | | HTH hxlR-type domain-containing protein | sig. | 31 | 58 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_13630 | | transcriptional regulator | sig. | 31 | 58 |
| | Pseudomonas stutzeri RCH2 | Psest_2749 | | Predicted transcriptional regulators | insig. | 30 | 61 |
| | Xanthobacter sp. DMC5 | GFF4252 | | putative HTH-type transcriptional regulator YybR | insig. | 29 | 82 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_0892 | | Predicted transcriptional regulators | insig. | 28 | 59 |
| | Agrobacterium fabrum C58 | Atu0997 | | hypothetical protein | strong | 32 | 66 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1401 | | transcriptional regulator, HxlR family | insig. | 31 | 58 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_02344 | | HTH hxlR-type domain-containing protein | insig. | 31 | 58 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS29750 | | MarR family transcriptional regulator | insig. | 29 | 59 |
| | Rhodopseudomonas palustris CGA009 | TX73_001690 | | helix-turn-helix domain-containing protein | insig. | 36 | 56 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_05990 | hxlR | transcriptional regulator | insig. | 30 | 86 |
| | Dickeya dianthicola 67-19 | HGI48_RS04665 | | helix-turn-helix transcriptional regulator | insig. | 29 | 76 |
| | Dickeya dianthicola ME23 | DZA65_RS04605 | | helix-turn-helix transcriptional regulator | insig. | 29 | 76 |
| | Klebsiella michiganensis M5al | BWI76_RS05735 | | transcriptional regulator | insig. | 38 | 57 |
| | Paraburkholderia graminis OAS925 | ABIE53_006396 | | DNA-binding HxlR family transcriptional regulator | insig. | 34 | 49 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_15800 | | HxlR family transcriptional regulator | cofit | 33 | 59 |
| | Erwinia tracheiphila SCR3 | LU632_RS04480 | | helix-turn-helix transcriptional regulator | insig. | 33 | 59 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_09770 | | transcriptional regulator | insig. | 32 | 66 |
| | Pectobacterium carotovorum WPP14 | HER17_RS13845 | | helix-turn-helix transcriptional regulator | cofit | 31 | 53 |
| | Dickeya dadantii 3937 | DDA3937_RS04740 | | helix-turn-helix transcriptional regulator | insig. | 30 | 52 |
| | Agrobacterium fabrum C58 | Atu5437 | | hypothetical protein | insig. | 32 | 51 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_02408 | hxlR | Transcriptional regulator | insig. | 28 | 56 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS05070 | | helix-turn-helix transcriptional regulator | insig. | 37 | 48 |
| | Enterobacter sp. TBS_079 | MPMX20_01686 | | putative HTH-type transcriptional regulator YybR | insig. | 31 | 62 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS16660 | | helix-turn-helix domain-containing protein | strong | 35 | 62 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2668.1 | | Transcriptional regulator, HxlR family | insig. | 32 | 56 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS00900 | | helix-turn-helix transcriptional regulator | insig. | 37 | 53 |
| | Sinorhizobium meliloti 1021 | SM_b21289 | | protein, may interact with ubiquitin | insig. | 34 | 53 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1264 | | transcriptional regulator, HxlR family | no data | 29 | 65 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS00675 | | helix-turn-helix domain-containing protein | insig. | 37 | 53 |
| | Sphingobium sp. HT1-2 | GFF5088 | | Transcriptional regulator, HxlR family | cofit | 29 | 73 |
| | Rhodopseudomonas palustris CGA009 | TX73_016665 | | helix-turn-helix domain-containing protein | insig. | 28 | 61 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_2312 | | Protein of unknown function DUF24 | insig. | 36 | 51 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_2312 | | Protein of unknown function DUF24 | no data | 36 | 51 |
| | Caulobacter crescentus NA1000 | CCNA_00682 | | MarR-family transcriptional regulator | strong | 31 | 61 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00682 | | MarR-family transcriptional regulator | cofit | 31 | 61 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS21120 | | helix-turn-helix domain-containing protein | insig. | 31 | 58 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_00135 | | transcriptional regulator | insig. | 28 | 61 |
| | Methylophilus sp. DMC18 | GFF2505 | | hypothetical protein | insig. | 33 | 64 |
| | Rhizobium sp. OAE497 | ABIE40_RS05840 | | helix-turn-helix domain-containing protein | insig. | 27 | 59 |