| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Dinoroseobacter shibae DFL-12 | Dshi_0447 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 100 | 100 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3841 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 36 | 66 |
| | Azospirillum sp. SherDot2 | MPMX19_05769 | | hypothetical protein | insig. | 32 | 67 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05130 | | Crp/Fnr family transcriptional regulator | insig. | 29 | 64 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS13080 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 77 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05290 | | Crp/Fnr family transcriptional regulator | insig. | 33 | 80 |
| | Variovorax sp. SCN45 | GFF5168 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 31 | 65 |
| | Sinorhizobium meliloti 1021 | SMc01954 | | transcriptional regulator | insig. | 30 | 73 |
| | Bosea sp. OAE506 | ABIE41_RS04120 | | Crp/Fnr family transcriptional regulator | insig. | 32 | 60 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05295 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 78 |
| | Bosea sp. OAE506 | ABIE41_RS05275 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 75 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_3065 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 29 | 65 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3843 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 29 | 73 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c17670 | | transcriptional regulator, crp family | sig. | 28 | 77 |
| | Sphingobium sp. HT1-2 | GFF496 | | hypothetical protein | insig. | 33 | 75 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS22105 | | transcriptional regulator | insig. | 29 | 72 |
| | Rhodopseudomonas palustris CGA009 | TX73_010705 | | Crp/Fnr family transcriptional regulator | insig. | 29 | 60 |
| | Rhizobium sp. OAE497 | ABIE40_RS14315 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 61 |
| | Variovorax sp. OAS795 | ABID97_RS06620 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 67 |
| | Bosea sp. OAE506 | ABIE41_RS01080 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 76 |
| | Bosea sp. OAE506 | ABIE41_RS01295 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 75 |
| | Rhodospirillum rubrum S1H | Rru_A1787 | | Cyclic nucleotide-binding domain (cNMP-BD) protein (NCBI) | insig. | 29 | 66 |
| | Agrobacterium fabrum C58 | Atu1037 | | nitrogen fixation regulatory protein | insig. | 28 | 66 |
| | Sphingobium sp. HT1-2 | GFF3049 | | Transcriptional regulator, Crp/Fnr family | cofit | 28 | 71 |
| | Rhodopseudomonas palustris CGA009 | TX73_021940 | | helix-turn-helix domain-containing protein | no data | 30 | 65 |
| | Bosea sp. OAE506 | ABIE41_RS06880 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 65 |
| | Rhodopseudomonas palustris CGA009 | TX73_017160 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 77 |
| | Xanthobacter sp. DMC5 | GFF3783 | | Nitrogen fixation regulation protein FixK | insig. | 29 | 70 |
| | Sphingobium sp. HT1-2 | GFF5073 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | cofit | 26 | 74 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_4078 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 24 | 60 |
| | Pseudomonas sp. S08-1 | OH686_02245 | | Fumarate and nitrate reduction regulatory protein | insig. | 24 | 74 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3844 | | cyclic nucleotide-binding protein (RefSeq) | sig. | 27 | 76 |
| | Rhizobium sp. OAE497 | ABIE40_RS06085 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 66 |
| | Sphingobium sp. HT1-2 | GFF4341 | | hypothetical protein | insig. | 25 | 74 |
| | Azospirillum sp. SherDot2 | MPMX19_03014 | | Transcriptional activatory protein AadR | insig. | 27 | 77 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01145 | | Crp/Fnr family transcriptional regulator | cofit | 24 | 76 |
| | Pseudomonas orientalis W4I3 | QF045_RS22590 | | fumarate/nitrate reduction transcriptional regulator Fnr | sig. | 24 | 74 |
| | Marinobacter adhaerens HP15 | HP15_634 | | transcriptional regulator, Crp/Fnr family | insig. | 27 | 72 |
| | Sinorhizobium meliloti 1021 | SMa0762 | | transcriptional regulator FixK | no data | 26 | 77 |
| | Pseudomonas simiae WCS417 | PS417_20785 | | transcriptional regulator | strong | 24 | 74 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS22395 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 24 | 74 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS22395 | | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 24 | 74 |
| | Azospirillum sp. SherDot2 | MPMX19_00212 | | Nitrogen fixation regulation protein FixK | cofit | 23 | 73 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04302 | | Transcriptional activator protein Anr | no data | 24 | 74 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_02485 | | transcriptional regulator | sig. | 24 | 74 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06835 | | helix-turn-helix domain-containing protein | strong | 27 | 75 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_00660 | | transcriptional regulator | strong | 24 | 74 |
| | Pseudomonas stutzeri RCH2 | Psest_2538 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | strong | 24 | 74 |
| | Pseudomonas sp. RS175 | PFR28_01079 | | Transcriptional activator protein Anr | no data | 24 | 74 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS19345 | anr;inference=COORDINATES | transcriptional regulator Anr | strong | 24 | 74 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_07375 | | transcriptional regulator Anr | strong | 24 | 74 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS53475 | anr;inference=COORDINATES | transcriptional regulator Anr | strong | 24 | 74 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2323 | | Fumarate and nitrate reduction regulatory protein | sig. | 24 | 74 |
| | Sinorhizobium meliloti 1021 | SMa1225 | | transcriptional regulator FixK | no data | 25 | 75 |
| | Sinorhizobium meliloti 1021 | SM_b21079 | | transcriptional regulator | insig. | 28 | 65 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c19590 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 27 | 74 |
| | Pseudomonas sp. DMC3 | GFF711 | | Transcriptional activator protein Anr | no data | 24 | 74 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4071 | | Fumarate and nitrate reduction regulatory protein | insig. | 24 | 74 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3867 | | Fumarate and nitrate reduction regulatory protein | no data | 24 | 74 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS20035 | | helix-turn-helix domain-containing protein | insig. | 30 | 77 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2952.1 | | transcriptional regulator, Crp/Fnr family | sig. | 26 | 73 |
| | Pseudomonas sp. SVBP6 | COO64_RS18640 | fnrA | Crp/Fnr family transcriptional regulator FnrA | insig. | 25 | 76 |
| | Rhodopseudomonas palustris CGA009 | TX73_022020 | | helix-turn-helix domain-containing protein | no data | 26 | 71 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23090 | | Crp/Fnr family transcription regulator | insig. | 26 | 76 |
| | Rhodospirillum rubrum S1H | Rru_A3322 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | cofit | 26 | 73 |
| | Ralstonia solanacearum GMI1000 | RS_RS00940 | | Crp/Fnr family transcriptional regulator | strong | 28 | 75 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | insig. | 23 | 76 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | no data | 23 | 76 |
| | Pseudomonas sp. BP01 | JOY50_RS00125 | fnrA | Crp/Fnr family transcriptional regulator FnrA | insig. | 23 | 74 |
| | Pseudomonas putida KT2440 | PP_4265 | | DNA-binding transcriptional dual regulator | strong | 23 | 74 |
| | Bosea sp. OAE506 | ABIE41_RS00860 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 67 |
| | Bosea sp. OAE506 | ABIE41_RS15480 | | helix-turn-helix domain-containing protein | insig. | 26 | 84 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS15200 | | Crp/Fnr family transcriptional regulator | insig. | 39 | 42 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS02015 | | Crp/Fnr family transcriptional regulator | insig. | 38 | 41 |
| | Ralstonia solanacearum UW163 | UW163_RS15340 | | Crp/Fnr family transcriptional regulator | insig. | 38 | 41 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS17975 | | helix-turn-helix domain-containing protein | strong | 27 | 66 |
| | Sinorhizobium meliloti 1021 | SMa1245 | | Crp/fnr-like transcriptional regulator | insig. | 27 | 74 |
| | Caulobacter crescentus NA1000 | CCNA_00789 | | hypoxia transcriptional regulator FixK | strong | 26 | 72 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00789 | | hypoxia transcriptional regulator FixK | cofit | 26 | 72 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS12690 | | transcriptional regulator | strong | 25 | 74 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS16020 | | transcriptional regulator | no data | 26 | 64 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS21215 | | Crp/Fnr family transcriptional regulator | strong | 25 | 73 |
| | Paraburkholderia graminis OAS925 | ABIE53_004332 | | CRP/FNR family transcriptional regulator | sig. | 26 | 73 |
| | Azospirillum sp. SherDot2 | MPMX19_03039 | | Cyclic AMP receptor protein | insig. | 26 | 68 |
| | Pseudomonas segetis P6 | ACVTMO_RS11455 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 23 | 76 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01640 | | transcriptional regulator, Crp/Fnr family | sig. | 26 | 72 |
| | Pectobacterium carotovorum WPP14 | HER17_RS10525 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 26 | 74 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2656 | | Fumarate and nitrate reduction regulatory protein | sig. | 26 | 74 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0660 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 23 | 70 |
| | Agrobacterium fabrum C58 | Atu1602 | | transcriptional activator, Crp family | strong | 23 | 68 |
| | Dechlorosoma suillum PS | Dsui_1646 | | cAMP-binding protein | strong | 24 | 73 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1530 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 24 | 72 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS09585 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 72 |
| | Dickeya dadantii 3937 | DDA3937_RS10950 | | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 26 | 74 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS31300 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 67 |
| | Escherichia fergusonii Becca | EFB2_02593 | | Fumarate and nitrate reduction regulatory protein | sig. | 25 | 74 |
| | Escherichia coli ECOR27 | NOLOHH_19940 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 25 | 74 |
| | Escherichia coli ECOR38 | HEPCGN_25925 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 25 | 74 |
| | Escherichia coli ECRC100 | OKFHMN_02240 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 25 | 74 |
| | Escherichia coli ECRC102 | NIAGMN_26410 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 25 | 74 |