| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07100 | | Lrp/AsnC family transcriptional regulator | insig. | 100 | 100 |
| | Pseudomonas stutzeri RCH2 | Psest_0822 | | Transcriptional regulators | strong | 54 | 76 |
| | Dechlorosoma suillum PS | Dsui_1930 | | transcriptional regulator | strong | 54 | 72 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_701 | | Heme d1 biosynthesis protein NirD / Heme d1 biosynthesis protein NirL | sig. | 50 | 77 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25055 | | AsnC family transcriptional regulator | insig. | 51 | 78 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS22585 | | AsnC family transcriptional regulator | sig. | 52 | 77 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_22860 | | Siroheme decarboxylase NirD subunit | insig. | 52 | 77 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS61180 | | AsnC family transcriptional regulator | sig. | 52 | 77 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3176 | | putative transcriptional regulator, AsnC family (RefSeq) | strong | 49 | 76 |
| | Pseudomonas sp. RS175 | PFR28_02234 | | hypothetical protein | insig. | 50 | 76 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_21950 | | AsnC family transcriptional regulator | insig. | 48 | 76 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07110 | | Lrp/AsnC family transcriptional regulator | cofit | 47 | 76 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5768 | | Heme d1 biosynthesis protein NirD | strong | 47 | 76 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03454 | | hypothetical protein | cofit | 46 | 77 |
| | Pseudomonas sp. SVBP6 | COO64_RS14090 | | Lrp/AsnC family transcriptional regulator | insig. | 47 | 75 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3175 | | putative transcriptional regulator, AsnC family (RefSeq) | sig. | 47 | 73 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS22575 | | Lrp/AsnC family transcriptional regulator | sig. | 48 | 76 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_22870 | | Siroheme decarboxylase NirG subunit | insig. | 48 | 76 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS36760 | | Lrp/AsnC family transcriptional regulator | insig. | 48 | 76 |
| | Pseudomonas stutzeri RCH2 | Psest_0824 | | Transcriptional regulators | no data | 45 | 75 |
| | Pseudomonas sp. RS175 | PFR28_02236 | | hypothetical protein | insig. | 43 | 75 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5770 | | Heme d1 biosynthesis protein NirG | no data | 43 | 75 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_699 | | Heme d1 biosynthesis protein NirG | sig. | 41 | 75 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03456 | | hypothetical protein | cofit | 43 | 74 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2900 | | putative transcriptional regulator, AsnC family (RefSeq) | no data | 39 | 76 |
| | Pseudomonas sp. SVBP6 | COO64_RS14080 | | Lrp/AsnC family transcriptional regulator | insig. | 43 | 75 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25045 | | protein nirG | insig. | 41 | 75 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0854 | | NirD protein, putative (TIGR) | no data | 42 | 76 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_21940 | | protein nirG | insig. | 40 | 75 |
| | Dechlorosoma suillum PS | Dsui_1931 | | transcriptional regulator | strong | 38 | 81 |
| | Dechlorosoma suillum PS | Dsui_1932 | | transcriptional regulator | cofit | 35 | 70 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07105 | | Lrp/AsnC family transcriptional regulator | cofit | 32 | 63 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3174 | | putative transcriptional regulator, AsnC family (RefSeq) | insig. | 37 | 54 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3176 | | putative transcriptional regulator, AsnC family (RefSeq) | strong | 29 | 63 |
| | Pseudomonas stutzeri RCH2 | Psest_0823 | | Transcriptional regulators | strong | 35 | 54 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS36250 | | Lrp/AsnC family transcriptional regulator | insig. | 33 | 59 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07115 | | Lrp/AsnC family transcriptional regulator | insig. | 30 | 65 |
| | Pseudomonas sp. SVBP6 | COO64_RS14085 | | Lrp/AsnC family transcriptional regulator | insig. | 31 | 67 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03457 | | hypothetical protein | cofit | 32 | 67 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25050 | | protein nirL | insig. | 33 | 51 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_21945 | | protein nirL | insig. | 32 | 46 |
| | Pseudomonas sp. SVBP6 | COO64_RS14075 | | Lrp/AsnC family transcriptional regulator | insig. | 32 | 58 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2503 | | putative transcriptional regulator, AsnC family (RefSeq) | no data | 34 | 48 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS22580 | | Lrp/AsnC family transcriptional regulator | insig. | 32 | 48 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS61185 | | Lrp/AsnC family transcriptional regulator | insig. | 32 | 48 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_22865 | | Siroheme decarboxylase NirL subunit | insig. | 32 | 48 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5769 | | Heme d1 biosynthesis protein NirL | insig. | 32 | 46 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5771 | | Heme d1 biosynthesis protein NirH | no data | 34 | 50 |
| | Pseudomonas stutzeri RCH2 | Psest_0825 | | transcriptional regulator, AsnC family | no data | 31 | 49 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_21935 | | nitrite reductase | insig. | 32 | 51 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25040 | | nitrite reductase | no data | 33 | 48 |
| | Pseudomonas sp. RS175 | PFR28_02237 | | hypothetical protein | insig. | 33 | 53 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_700 | | Heme d1 biosynthesis protein NirL | sig. | 31 | 51 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03455 | | hypothetical protein | cofit | 31 | 48 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS22570 | | Lrp/AsnC family transcriptional regulator | insig. | 30 | 58 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_22875 | | Siroheme decarboxylase NirH subunit | insig. | 30 | 58 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS36765 | | Lrp/AsnC family transcriptional regulator | insig. | 30 | 58 |
| | Marinobacter adhaerens HP15 | HP15_860 | | transcriptional regulator, AsnC family protein | strong | 26 | 65 |
| | Dickeya dadantii 3937 | DDA3937_RS09590 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Dickeya dianthicola 67-19 | HGI48_RS09605 | | leucine-responsive transcriptional regulator Lrp | cofit | 32 | 41 |
| | Dickeya dianthicola ME23 | DZA65_RS09915 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Pectobacterium carotovorum WPP14 | HER17_RS12360 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Rahnella sp. WP5 | EX31_RS18530 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli BL21 | ECD_00893 | | leucine-responsive global transcriptional regulator | strong | 32 | 41 |
| | Escherichia fergusonii Becca | EFB2_03172 | | Leucine-responsive regulatory protein | insig. | 32 | 41 |
| | Escherichia coli ECOR27 | NOLOHH_22145 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECOR38 | HEPCGN_22935 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECRC100 | OKFHMN_05575 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECRC101 | MCAODC_24965 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECRC102 | NIAGMN_03295 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECRC62 | BNILDI_20400 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECRC98 | JDDGAC_09385 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Escherichia coli ECRC99 | KEDOAH_22160 | lrp | leucine-responsive transcriptional regulator Lrp | no data | 32 | 41 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02779 | | Leucine-responsive regulatory protein | sig. | 32 | 41 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS04730 | | leucine-responsive transcriptional regulator Lrp | insig. | 32 | 41 |
| | Escherichia coli BW25113 | b0889 | lrp | DNA-binding transcriptional dual regulator, leucine-binding (NCBI) | strong | 32 | 41 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2043 | | transcriptional regulator, AsnC family | strong | 32 | 41 |
| | Enterobacter sp. TBS_079 | MPMX20_01551 | | Leucine-responsive regulatory protein | strong | 32 | 41 |
| | Klebsiella michiganensis M5al | BWI76_RS09655 | | leucine-responsive regulatory protein | strong | 32 | 41 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_17890 | | leucine-responsive transcriptional regulator Lrp | insig. | 32 | 41 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4893 | | Leucine-responsive regulatory protein, regulator for leucine (or lrp) regulon and high-affinity branched-chain amino acid transport system | cofit | 32 | 41 |
| | Variovorax sp. SCN45 | GFF4980 | | Transcriptional regulator, AsnC family | insig. | 27 | 59 |
| | Pseudomonas sp. RS175 | PFR28_02235 | | hypothetical protein | insig. | 30 | 51 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5589 | | Leucine-responsive regulatory protein, regulator for leucine (or lrp) regulon and high-affinity branched-chain amino acid transport system | insig. | 33 | 49 |
| | Serratia liquefaciens MT49 | IAI46_08555 | | leucine-responsive transcriptional regulator Lrp | cofit | 32 | 41 |
| | Shewanella amazonensis SB2B | Sama_1771 | | leucine-responsive transcriptional regulator (RefSeq) | strong | 31 | 40 |
| | Shewanella loihica PV-4 | Shew_2025 | | leucine-responsive transcriptional regulator (RefSeq) | strong | 30 | 46 |
| | Agrobacterium fabrum C58 | Atu0740 | | transcriptional regulator, AsnC family | insig. | 32 | 49 |
| | Shewanella sp. ANA-3 | Shewana3_2049 | | leucine-responsive transcriptional regulator (RefSeq) | strong | 28 | 59 |
| | Shewanella oneidensis MR-1 | SO2305 | lrp | leucine-responsive regulatory protein (NCBI ptt file) | strong | 28 | 59 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS02555 | | transcriptional regulator | insig. | 32 | 49 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1958 | | Transcriptional regulators | strong | 31 | 52 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1852 | | Transcriptional regulator, AsnC family | strong | 38 | 38 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.4622.1 | | Leucine-responsive regulatory protein, regulator for leucine (or lrp) regulon and high-affinity branched-chain amino acid transport system | insig. | 34 | 40 |
| | Erwinia tracheiphila SCR3 | LU632_RS09740 | lrp | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Erwinia amylovora T8 | OLJFJH_16185 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Pantoea sp. MT58 | IAI47_12915 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS04415 | | leucine-responsive transcriptional regulator Lrp | strong | 32 | 41 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_16260 | | transcriptional regulator AsnC | insig. | 25 | 64 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_1998 | | Transcriptional regulators | insig. | 24 | 64 |