| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Variovorax sp. SCN45 | GFF4024 | | Transcriptional regulator, MerR family | insig. | 100 | 100 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS09925 | | Hg(II)-responsive transcriptional regulator | insig. | 52 | 96 |
| o | Acidovorax sp. GW101-3H11 | Ac3H11_4612 | | Mercuric resistance operon regulatory protein | insig. | 50 | 98 |
| o | Alteromonas macleodii MIT1002 | MIT1002_02061 | | Mercuric resistance operon regulatory protein | insig. | 49 | 94 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_1624 | | Hg(II)-responsive transcriptional regulator | insig. | 49 | 94 |
| | Shewanella sp. ANA-3 | Shewana3_4341 | | putative transcriptional regulator MerR (RefSeq) | insig. | 50 | 96 |
| | Shewanella sp. ANA-3 | Shewana3_4315 | | MerR family transcriptional regulator (RefSeq) | no data | 48 | 95 |
| o | Castellaniella sp019104865 MT123 | ABCV34_RS00070 | | Hg(II)-responsive transcriptional regulator | insig. | 49 | 96 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_19335 | | mercury resistance transcriptional regulator MerR | sig. | 48 | 98 |
| o | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF316 | | Mercuric resistance operon regulatory protein | no data | 48 | 96 |
| o | Dechlorosoma suillum PS | Dsui_2493 | | Hg(II)-responsive transcriptional regulator | insig. | 48 | 98 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_14660 | merR | Hg(II)-responsive transcriptional regulator | insig. | 51 | 99 |
| o | Rhodanobacter denitrificans MT42 | LRK55_RS09305 | | Hg(II)-responsive transcriptional regulator | insig. | 46 | 96 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS09645 | | Hg(II)-responsive transcriptional regulator | cofit | 46 | 96 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS17865 | | Hg(II)-responsive transcriptional regulator | insig. | 48 | 96 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS17230 | | Hg(II)-responsive transcriptional regulator | insig. | 48 | 98 |
| o | Marinobacter adhaerens HP15 | HP15_191 | | Hg(II)--responsive transcriptional regulator | insig. | 47 | 97 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS18965 | | Hg(II)-responsive transcriptional regulator | cofit | 46 | 95 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_06085 | merR | Hg(II)-responsive transcriptional regulator | insig. | 46 | 95 |
| o | Sinorhizobium meliloti 1021 | SMa0281 | | MerR family transcriptional regulator | insig. | 47 | 99 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_06240 | | MerR family transcriptional regulator | insig. | 46 | 95 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS16940 | | Hg(II)-responsive transcriptional regulator | insig. | 48 | 95 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS18800 | | MerR family DNA-binding protein | insig. | 47 | 95 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS03835 | | MerR family DNA-binding protein | insig. | 50 | 86 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS08670 | | heavy metal-responsive transcriptional regulator | insig. | 42 | 98 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS01130 | | MerR family transcriptional regulator | insig. | 41 | 98 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01365 | | heavy metal-responsive transcriptional regulator | strong | 41 | 98 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS01745 | | heavy metal-responsive transcriptional regulator | insig. | 41 | 96 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_05540 | | heavy metal-responsive transcriptional regulator | insig. | 40 | 97 |
| o | Sphingobium sp. HT1-2 | GFF2048 | | Transcriptional regulator, MerR family | cofit | 47 | 95 |
| o | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS11645 | | helix-turn-helix domain-containing protein | insig. | 40 | 99 |
| | Rhodopseudomonas palustris CGA009 | TX73_016860 | | helix-turn-helix domain-containing protein | insig. | 41 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3623 | | transcriptional regulator, MerR family (RefSeq) | no data | 39 | 95 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3961 | | transcriptional regulator, MerR family (RefSeq) | no data | 39 | 95 |
| | Sphingobium sp. HT1-2 | GFF5186 | | Heavy metal resistance transcriptional regulator HmrR | cofit | 39 | 96 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1161 | | Cu(I)-responsive transcriptional regulator | insig. | 40 | 96 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1242 | | transcriptional regulator, MerR family | insig. | 40 | 95 |
| | Azospirillum sp. SherDot2 | MPMX19_06374 | | HTH-type transcriptional regulator HmrR | insig. | 40 | 98 |
| | Bosea sp. OAE506 | ABIE41_RS05340 | | helix-turn-helix domain-containing protein | insig. | 41 | 96 |
| | Pseudomonas segetis P6 | ACVTMO_RS14090 | | MerR family transcriptional regulator | insig. | 39 | 95 |
| | Sphingobium sp. HT1-2 | GFF3389 | | Heavy metal resistance transcriptional regulator HmrR | cofit | 41 | 92 |
| | Pseudomonas stutzeri RCH2 | Psest_2758 | | Predicted transcriptional regulators | insig. | 41 | 95 |
| | Phaeobacter inhibens DSM 17395 | PGA1_262p00460 | | transcriptional regulator, MerR family | strong | 39 | 95 |
| o | Rhodospirillum rubrum S1H | Rru_A1026 | | Transcriptional Regulator, MerR family (NCBI) | insig. | 38 | 98 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3027 | | Predicted transcriptional regulators | insig. | 39 | 96 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS11775 | | helix-turn-helix domain-containing protein | cofit | 38 | 95 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0423 | | Cu(I)-responsive transcriptional regulator | insig. | 39 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1260 | | transcriptional regulator, MerR family (RefSeq) | insig. | 38 | 96 |
| | Azospirillum brasilense Sp245 | AZOBR_RS27570 | | MerR family transcriptional regulator | insig. | 36 | 97 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c02530 | | HTH-type transcriptional regulator | strong | 38 | 96 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS20300 | | MerR family transcriptional regulator | insig. | 38 | 95 |
| | Dechlorosoma suillum PS | Dsui_1064 | | Cu(I)-responsive transcriptional regulator | cofit | 36 | 98 |
| | Marinobacter adhaerens HP15 | HP15_89 | | transcriptional regulator, MerR family protein | insig. | 39 | 95 |
| | Serratia liquefaciens MT49 | IAI46_23295 | | Zn(2+)-responsive transcriptional regulator | strong | 36 | 95 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3790 | | transcriptional regulator, MerR family (RefSeq) | no data | 37 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_4066 | | transcriptional regulator, MerR family (RefSeq) | no data | 37 | 96 |
| | Escherichia fergusonii Becca | EFB2_00531 | | HTH-type transcriptional regulator ZntR | insig. | 37 | 94 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS18895 | | Zn(2+)-responsive transcriptional regulator | no data | 37 | 94 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS09150 | | Cu(I)-responsive transcriptional regulator | cofit | 36 | 96 |
| | Escherichia coli BL21 | ECD_03143 | | zntA gene transcriptional activator | cofit | 37 | 94 |
| | Escherichia coli ECOR27 | NOLOHH_09300 | zntR | Zn(2+)-responsive transcriptional regulator | insig. | 37 | 94 |
| | Escherichia coli ECOR38 | HEPCGN_16330 | zntR | Zn(2+)-responsive transcriptional regulator | insig. | 37 | 94 |
| | Escherichia coli ECRC100 | OKFHMN_17500 | zntR | Zn(2+)-responsive transcriptional regulator | insig. | 37 | 94 |
| | Escherichia coli ECRC101 | MCAODC_08030 | zntR | Zn(2+)-responsive transcriptional regulator | insig. | 37 | 94 |
| | Escherichia coli ECRC102 | NIAGMN_15270 | zntR | Zn(2+)-responsive transcriptional regulator | cofit | 37 | 94 |
| | Escherichia coli ECRC62 | BNILDI_02220 | zntR | Zn(2+)-responsive transcriptional regulator | cofit | 37 | 94 |
| | Escherichia coli ECRC98 | JDDGAC_21130 | zntR | Zn(2+)-responsive transcriptional regulator | insig. | 37 | 94 |
| | Escherichia coli ECRC99 | KEDOAH_10640 | zntR | Zn(2+)-responsive transcriptional regulator | no data | 37 | 94 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00411 | | HTH-type transcriptional regulator ZntR | insig. | 37 | 94 |
| | Escherichia coli BW25113 | b3292 | zntR | zinc-responsive transcriptional regulator (NCBI) | strong | 37 | 94 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS18705 | | Cu(I)-responsive transcriptional regulator | cofit | 39 | 95 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS00055 | | heavy metal-responsive transcriptional regulator | insig. | 39 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS25700 | | heavy metal-responsive transcriptional regulator | strong | 38 | 94 |
| | Azospirillum sp. SherDot2 | MPMX19_04396 | | HTH-type transcriptional regulator HmrR | insig. | 38 | 96 |
| | Azospirillum brasilense Sp245 | AZOBR_RS19845 | | MerR family transcriptional regulator | insig. | 38 | 95 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3023 | | Predicted transcriptional regulators | insig. | 37 | 96 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS17035 | | helix-turn-helix domain-containing protein | insig. | 38 | 96 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS03235 | | Cu(I)-responsive transcriptional regulator | insig. | 35 | 96 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS03235 | | Cu(I)-responsive transcriptional regulator | strong | 35 | 96 |
| | Pseudomonas stutzeri RCH2 | Psest_0737 | | Cu(I)-responsive transcriptional regulator | sig. | 35 | 95 |
| | Azospirillum sp. SherDot2 | MPMX19_06703 | | HTH-type transcriptional regulator HmrR | insig. | 38 | 98 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_06310 | | MerR family transcriptional regulator | sig. | 38 | 95 |
| | Pseudomonas sp. DMC3 | GFF3355 | | HTH-type transcriptional regulator HmrR | cofit | 34 | 96 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS24785 | zntR;go_function=DNA | Zn(2+)-responsive transcriptional regulator | insig. | 38 | 94 |
| | Bosea sp. OAE506 | ABIE41_RS15580 | | Cu(I)-responsive transcriptional regulator | insig. | 38 | 96 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS05180 | | MerR family DNA-binding transcriptional regulator | insig. | 36 | 98 |
| | Pseudomonas simiae WCS417 | PS417_03155 | | transcriptional regulator | insig. | 35 | 96 |
| | Sphingobium sp. HT1-2 | GFF4471 | | Transcriptional regulator, MerR family | cofit | 41 | 95 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2387 | | transcriptional regulator, MerR family | insig. | 36 | 94 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_0653 | | transcriptional regulator, MerR family | sig. | 34 | 96 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_0653 | | transcriptional regulator, MerR family | insig. | 34 | 96 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_06570 | | Zn(2+)-responsive transcriptional regulator | insig. | 37 | 94 |
| | Rahnella sp. WP5 | EX31_RS16005 | | Zn(2+)-responsive transcriptional regulator | insig. | 36 | 94 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS09950 | | heavy metal-responsive transcriptional regulator | insig. | 41 | 95 |
| | Pseudomonas orientalis W4I3 | QF045_RS06190 | | Cu(I)-responsive transcriptional regulator | cofit | 34 | 96 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_08070 | | transcriptional regulator | strong | 34 | 96 |
| | Rhizobium sp. OAE497 | ABIE40_RS15545 | | helix-turn-helix domain-containing protein | insig. | 37 | 98 |
| | Lysobacter sp. OAE881 | ABIE51_RS09550 | | Cu(I)-responsive transcriptional regulator | insig. | 35 | 95 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00846 | | HTH-type transcriptional regulator HmrR | cofit | 34 | 96 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_3488 | | Cu(I)-responsive transcriptional regulator | strong | 34 | 96 |