| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Rhodospirillum rubrum S1H | Rru_A3322 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | cofit | 100 | 100 |
| o | Azospirillum sp. SherDot2 | MPMX19_00212 | | Nitrogen fixation regulation protein FixK | cofit | 46 | 94 |
| o | Azospirillum brasilense Sp245 | AZOBR_RS01145 | | Crp/Fnr family transcriptional regulator | cofit | 46 | 94 |
| o | Magnetospirillum magneticum AMB-1 | AMB_RS22105 | | transcriptional regulator | insig. | 48 | 85 |
| | Azospirillum sp. SherDot2 | MPMX19_03014 | | Transcriptional activatory protein AadR | insig. | 44 | 72 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23090 | | Crp/Fnr family transcription regulator | insig. | 42 | 79 |
| o | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2952.1 | | transcriptional regulator, Crp/Fnr family | sig. | 37 | 85 |
| o | Sinorhizobium meliloti 1021 | SMa1141 | | FNR/CRP family transcriptional regulator | insig. | 39 | 81 |
| | Rhodopseudomonas palustris CGA009 | TX73_021940 | | helix-turn-helix domain-containing protein | no data | 38 | 76 |
| | Bosea sp. OAE506 | ABIE41_RS15480 | | helix-turn-helix domain-containing protein | insig. | 40 | 80 |
| | Rhodopseudomonas palustris CGA009 | TX73_022020 | | helix-turn-helix domain-containing protein | no data | 38 | 75 |
| o | Marinobacter adhaerens HP15 | HP15_634 | | transcriptional regulator, Crp/Fnr family | insig. | 34 | 85 |
| o | Agrobacterium fabrum C58 | Atu1602 | | transcriptional activator, Crp family | strong | 35 | 85 |
| | Caulobacter crescentus NA1000 | CCNA_00789 | | hypoxia transcriptional regulator FixK | strong | 40 | 72 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00789 | | hypoxia transcriptional regulator FixK | cofit | 40 | 72 |
| | Sphingobium sp. HT1-2 | GFF3049 | | Transcriptional regulator, Crp/Fnr family | cofit | 37 | 83 |
| | Shewanella sp. ANA-3 | Shewana3_2115 | | fumarate/nitrate reduction transcriptional regulator (RefSeq) | no data | 34 | 85 |
| | Shewanella oneidensis MR-1 | SO2356 | etrA | electron transport regulator a (NCBI ptt file) | strong | 33 | 85 |
| | Xanthobacter sp. DMC5 | GFF3783 | | Nitrogen fixation regulation protein FixK | insig. | 39 | 78 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0660 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 36 | 82 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17340 | | hypothetical protein | insig. | 37 | 73 |
| | Shewanella amazonensis SB2B | Sama_1799 | | fumarate/nitrate reduction transcriptional regulator (RefSeq) | sig. | 32 | 85 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS16020 | | transcriptional regulator | no data | 35 | 87 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_23150 | crp | transcriptional regulator FNR | insig. | 33 | 85 |
| | Erwinia tracheiphila SCR3 | LU632_RS11420 | | FNR family transcription factor | insig. | 33 | 85 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2656 | | Fumarate and nitrate reduction regulatory protein | sig. | 33 | 85 |
| | Sinorhizobium meliloti 1021 | SMa0762 | | transcriptional regulator FixK | no data | 34 | 73 |
| | Sinorhizobium meliloti 1021 | SMa1225 | | transcriptional regulator FixK | no data | 34 | 73 |
| | Pantoea sp. MT58 | IAI47_09580 | | FNR family transcription factor | strong | 32 | 85 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS12690 | | transcriptional regulator | strong | 34 | 85 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_1982 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | sig. | 33 | 86 |
| | Escherichia coli ECRC98 | JDDGAC_04785 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 33 | 85 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_1540 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | cofit | 33 | 85 |
| | Enterobacter sp. TBS_079 | MPMX20_02035 | | Fumarate and nitrate reduction regulatory protein | strong | 33 | 85 |
| | Pseudomonas stutzeri RCH2 | Psest_2538 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | strong | 33 | 85 |
| | Escherichia fergusonii Becca | EFB2_02593 | | Fumarate and nitrate reduction regulatory protein | sig. | 33 | 85 |
| | Escherichia coli ECOR27 | NOLOHH_19940 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | sig. | 33 | 85 |
| | Escherichia coli ECOR38 | HEPCGN_25925 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 33 | 85 |
| | Escherichia coli ECRC100 | OKFHMN_02240 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 33 | 85 |
| | Escherichia coli ECRC102 | NIAGMN_26410 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 33 | 85 |
| | Escherichia coli ECRC62 | BNILDI_18090 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 33 | 85 |
| | Escherichia coli ECRC99 | KEDOAH_26530 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | no data | 33 | 85 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02348 | | Fumarate and nitrate reduction regulatory protein | sig. | 33 | 85 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS08005 | | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 33 | 85 |
| | Escherichia coli BW25113 | b1334 | fnr | DNA-binding transcriptional dual regulator, global regulator of anaerobic growth (NCBI) | strong | 33 | 85 |
| | Erwinia amylovora T8 | OLJFJH_13925 | | transcriptional regulator FNR | sig. | 32 | 85 |
| | Shewanella loihica PV-4 | Shew_1993 | | fumarate/nitrate reduction transcriptional regulator (RefSeq) | no data | 32 | 85 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS06575 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 32 | 85 |
| | Sphingobium sp. HT1-2 | GFF4341 | | hypothetical protein | insig. | 32 | 85 |
| | Serratia liquefaciens MT49 | IAI46_13260 | | FNR family transcription factor | cofit | 33 | 85 |
| | Escherichia coli ECRC101 | MCAODC_16030 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | sig. | 32 | 85 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS15650 | | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 31 | 88 |
| | Ralstonia solanacearum UW163 | UW163_RS13110 | | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 31 | 88 |
| | Klebsiella michiganensis M5al | BWI76_RS16185 | | transcriptional regulator FNR | no data | 34 | 77 |
| | Ralstonia solanacearum GMI1000 | RS_RS06430 | | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 31 | 88 |
| | Rhizobium sp. OAE497 | ABIE40_RS26175 | | helix-turn-helix domain-containing protein | insig. | 40 | 64 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_21005 | | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 34 | 77 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS22350 | fnr;inference=COORDINATES | fumarate/nitrate reduction transcriptional regulator Fnr | no data | 34 | 77 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS17705 | | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 31 | 88 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS19345 | anr;inference=COORDINATES | transcriptional regulator Anr | strong | 32 | 84 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_07375 | | transcriptional regulator Anr | strong | 32 | 84 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS53475 | anr;inference=COORDINATES | transcriptional regulator Anr | strong | 32 | 84 |
| | Pseudomonas sp. SVBP6 | COO64_RS18640 | fnrA | Crp/Fnr family transcriptional regulator FnrA | insig. | 34 | 85 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF4142 | | transcriptional regulator, Crp/Fnr family | insig. | 33 | 85 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS12875 | | transcriptional regulator | insig. | 32 | 85 |
| | Dickeya dadantii 3937 | DDA3937_RS10950 | | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 33 | 77 |
| | Dickeya dianthicola 67-19 | HGI48_RS10900 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 33 | 77 |
| | Dickeya dianthicola ME23 | DZA65_RS11360 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 33 | 77 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS11180 | | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 31 | 88 |
| | Pseudomonas putida KT2440 | PP_4265 | | DNA-binding transcriptional dual regulator | strong | 35 | 77 |
| | Pseudomonas sp. BP01 | JOY50_RS00125 | fnrA | Crp/Fnr family transcriptional regulator FnrA | insig. | 35 | 77 |
| | Pseudomonas sp. S08-1 | OH686_02245 | | Fumarate and nitrate reduction regulatory protein | insig. | 34 | 77 |
| | Rahnella sp. WP5 | EX31_RS07200 | | FNR family transcription factor | cofit | 34 | 75 |
| | Pectobacterium carotovorum WPP14 | HER17_RS10525 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 32 | 85 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS13815 | | cyclic nucleotide-binding domain-containing protein | strong | 32 | 81 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS14095 | | cyclic nucleotide-binding domain-containing protein | strong | 32 | 81 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_975 | | transcriptional regulator, Crp/Fnr family | no data | 33 | 85 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c30140 | | transcriptional activator protein FnrL | insig. | 34 | 83 |
| | Alteromonas macleodii MIT1002 | MIT1002_02137 | | Fumarate and nitrate reduction regulatory protein | strong | 31 | 82 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07190 | | transcriptional regulator FNR | strong | 31 | 95 |
| | Sinorhizobium meliloti 1021 | SMa0662 | | transcriptional regulator FixK | insig. | 36 | 80 |
| | Methylophilus sp. DMC18 | GFF1089 | | Transcriptional activator protein Anr | insig. | 31 | 85 |
| | Pseudomonas segetis P6 | ACVTMO_RS11455 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 32 | 85 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01640 | | transcriptional regulator, Crp/Fnr family | sig. | 32 | 84 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS14515 | | cyclic nucleotide-binding domain-containing protein | insig. | 32 | 81 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_00820 | | CRP-like protein Clp | insig. | 31 | 81 |
| | Pseudomonas orientalis W4I3 | QF045_RS22590 | | fumarate/nitrate reduction transcriptional regulator Fnr | sig. | 33 | 77 |
| | Pseudomonas sp. RS175 | PFR28_01079 | | Transcriptional activator protein Anr | no data | 33 | 77 |
| | Pseudomonas simiae WCS417 | PS417_20785 | | transcriptional regulator | strong | 33 | 77 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS22395 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 33 | 77 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS22395 | | fumarate/nitrate reduction transcriptional regulator Fnr | strong | 33 | 77 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2323 | | Fumarate and nitrate reduction regulatory protein | sig. | 33 | 77 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS36970 | | fumarate/nitrate reduction transcriptional regulator Fnr | insig. | 32 | 82 |
| | Pseudomonas sp. DMC3 | GFF711 | | Transcriptional activator protein Anr | no data | 33 | 77 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4071 | | Fumarate and nitrate reduction regulatory protein | insig. | 33 | 77 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3867 | | Fumarate and nitrate reduction regulatory protein | no data | 33 | 77 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_02485 | | transcriptional regulator | sig. | 33 | 77 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | insig. | 31 | 85 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | no data | 31 | 85 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_04302 | | Transcriptional activator protein Anr | no data | 33 | 77 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_00660 | | transcriptional regulator | strong | 33 | 77 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS15200 | | Crp/Fnr family transcriptional regulator | insig. | 33 | 83 |
| | Pseudomonas sp. DMC3 | GFF3609 | | Anaerobic regulatory protein | cofit | 31 | 78 |
| | Pseudomonas sp. RS175 | PFR28_02314 | | Fumarate and nitrate reduction regulatory protein | insig. | 31 | 81 |
| | Pseudomonas sp. RS175 | PFR28_01975 | | Fumarate and nitrate reduction regulatory protein | no data | 31 | 85 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_19870 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 85 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_23940 | | Crp/Fnr family transcriptional regulator | insig. | 32 | 82 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1516 | | transcriptional regulator, Crp/Fnr family | insig. | 32 | 82 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4177 | | transcriptional regulator, Crp/Fnr family | insig. | 31 | 78 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS31300 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 77 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS21215 | | Crp/Fnr family transcriptional regulator | strong | 32 | 81 |
| | Paraburkholderia graminis OAS925 | ABIE53_004332 | | CRP/FNR family transcriptional regulator | sig. | 32 | 81 |
| | Ralstonia solanacearum GMI1000 | RS_RS00940 | | Crp/Fnr family transcriptional regulator | strong | 30 | 87 |
| | Pseudomonas stutzeri RCH2 | Psest_2223 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 34 | 77 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS20035 | | helix-turn-helix domain-containing protein | insig. | 32 | 85 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS17975 | | helix-turn-helix domain-containing protein | strong | 31 | 77 |
| | Pseudomonas putida KT2440 | PP_3233 | | transcriptional regulator with 4Fe-4S cluster, Crp/Fnr family | insig. | 35 | 79 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06835 | | helix-turn-helix domain-containing protein | strong | 31 | 85 |
| | Pseudomonas putida KT2440 | PP_3287 | | transcriptional regulator with 4Fe-4S cluster; Crp/Fnr family | sig. | 31 | 87 |
| | Lysobacter sp. OAE881 | ABIE51_RS03805 | | fumarate/nitrate reduction transcriptional regulator Fnr | cofit | 32 | 87 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_00805 | crp | cAMP-binding domain of CRP or a regulatory subunit of cAMP-dependent protein kinases | insig. | 36 | 72 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS05585 | | helix-turn-helix domain-containing protein | insig. | 32 | 86 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS05830 | | helix-turn-helix domain-containing protein | insig. | 32 | 86 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS02015 | | Crp/Fnr family transcriptional regulator | insig. | 32 | 85 |
| | Pseudomonas simiae WCS417 | PS417_15825 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 85 |
| | Dechlorosoma suillum PS | Dsui_1646 | | cAMP-binding protein | strong | 32 | 77 |
| | Ralstonia solanacearum UW163 | UW163_RS15340 | | Crp/Fnr family transcriptional regulator | insig. | 32 | 85 |
| | Variovorax sp. OAS795 | ABID97_RS06620 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 86 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS17195 | | helix-turn-helix domain-containing protein | insig. | 32 | 86 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS13585 | | helix-turn-helix domain-containing protein | insig. | 32 | 88 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS13870 | | helix-turn-helix domain-containing protein | strong | 32 | 88 |
| | Agrobacterium fabrum C58 | Atu1037 | | nitrogen fixation regulatory protein | insig. | 29 | 85 |
| | Variovorax sp. SCN45 | GFF5168 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 29 | 86 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS14740 | | helix-turn-helix domain-containing protein | insig. | 32 | 78 |
| | Azospirillum brasilense Sp245 | AZOBR_RS30865 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 85 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS09585 | | Crp/Fnr family transcriptional regulator | insig. | 29 | 84 |
| | Rhizobium sp. OAE497 | ABIE40_RS23700 | | helix-turn-helix domain-containing protein | insig. | 31 | 73 |
| | Rhodopseudomonas palustris CGA009 | TX73_017160 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 85 |
| | Sinorhizobium meliloti 1021 | SMa1245 | | Crp/fnr-like transcriptional regulator | insig. | 29 | 79 |
| | Sinorhizobium meliloti 1021 | SMc01954 | | transcriptional regulator | insig. | 32 | 70 |
| | Rhizobium sp. OAE497 | ABIE40_RS06085 | | Crp/Fnr family transcriptional regulator | insig. | 29 | 84 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3844 | | cyclic nucleotide-binding protein (RefSeq) | sig. | 30 | 84 |
| | Bosea sp. OAE506 | ABIE41_RS04120 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 77 |
| | Rhodospirillum rubrum S1H | Rru_A1787 | | Cyclic nucleotide-binding domain (cNMP-BD) protein (NCBI) | insig. | 29 | 85 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1530 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 28 | 83 |
| | Rhodospirillum rubrum S1H | Rru_A1622 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | insig. | 26 | 89 |
| | Shewanella loihica PV-4 | Shew_3233 | | Crp/FNR family transcriptional regulator (RefSeq) | insig. | 28 | 78 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3189 | | cyclic nucleotide-binding protein (RefSeq) | insig. | 28 | 79 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS01755 | | helix-turn-helix domain-containing protein | strong | 30 | 74 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS11900 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 82 |
| | Agrobacterium fabrum C58 | Atu4380 | | Crp family transcriptional regulator | insig. | 27 | 82 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS35040 | | Crp/Fnr family transcriptional regulator | insig. | 32 | 65 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS04345 | | cyclic nucleotide-binding domain-containing protein | insig. | 30 | 74 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_3065 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 29 | 85 |
| | Azospirillum sp. SherDot2 | MPMX19_05940 | | Anaerobic regulatory protein | insig. | 28 | 87 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS05625 | | response regulator | insig. | 31 | 75 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_2881 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | sig. | 26 | 85 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c19590 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 27 | 85 |
| | Lysobacter sp. OAE881 | ABIE51_RS10480 | | helix-turn-helix domain-containing protein | insig. | 29 | 79 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS11745 | | Crp/Fnr family transcriptional regulator | cofit | 30 | 78 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS08975 | | helix-turn-helix domain-containing protein | insig. | 28 | 79 |
| | Rhodopseudomonas palustris CGA009 | TX73_003955 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 82 |
| | Azospirillum sp. SherDot2 | MPMX19_03039 | | Cyclic AMP receptor protein | insig. | 29 | 72 |
| | Variovorax sp. SCN45 | GFF6947 | | transcriptional regulator, Crp/Fnr family | sig. | 30 | 71 |
| | Variovorax sp. OAS795 | ABID97_RS26995 | | Crp/Fnr family transcriptional regulator | insig. | 29 | 73 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS09000 | | response regulator | insig. | 29 | 71 |
| | Phaeobacter inhibens DSM 17395 | PGA1_262p01250 | | transcriptional regulator, crp family | sig. | 25 | 82 |
| | Azospirillum brasilense Sp245 | AZOBR_RS28220 | | cyclic nucleotide-binding protein | insig. | 28 | 74 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS16980 | | Crp/Fnr family transcriptional regulator | cofit | 27 | 86 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS09390 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 85 |
| | Pectobacterium carotovorum WPP14 | HER17_RS08805 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 79 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS13935 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 79 |
| | Azospirillum sp. SherDot2 | MPMX19_05769 | | hypothetical protein | insig. | 30 | 61 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1100 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 24 | 78 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS01350 | | transcriptional regulator | insig. | 27 | 73 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS17950 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 81 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS06075 | | Crp/Fnr family transcriptional regulator | no data | 27 | 81 |
| | Pseudomonas stutzeri RCH2 | Psest_0830 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | strong | 25 | 78 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_4078 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 28 | 68 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05295 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 78 |
| | Cellulophaga baltica 18 | M666_RS11820 | | response regulator | sig. | 24 | 73 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c17670 | | transcriptional regulator, crp family | sig. | 32 | 72 |
| | Rhodopseudomonas palustris CGA009 | TX73_021475 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 71 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0993 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 30 | 82 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS36690 | dnr;inference=COORDINATES | transcriptional regulator Dnr | sig. | 28 | 82 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_13900 | | transcriptional regulator | sig. | 29 | 77 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_22800 | | transcriptional regulator Dnr | insig. | 28 | 82 |
| | Bosea sp. OAE506 | ABIE41_RS01295 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 73 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS22645 | dnr;inference=COORDINATES | transcriptional regulator Dnr | cofit | 27 | 82 |
| | Cellulophaga baltica 18 | M666_RS07170 | | Crp/Fnr family transcriptional regulator | insig. | 23 | 80 |
| | Sphingobium sp. HT1-2 | GFF496 | | hypothetical protein | insig. | 29 | 69 |
| | Rhodopseudomonas palustris CGA009 | TX73_020705 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 80 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2547 | | transcriptional regulator, putative (TIGR) | strong | 28 | 80 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3191 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 28 | 72 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_3841 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 27 | 72 |
| | Rhodopseudomonas palustris CGA009 | TX73_003485 | | Crp/Fnr family transcriptional regulator | strong | 25 | 82 |
| | Shewanella loihica PV-4 | Shew_3331 | | Crp/FNR family transcriptional regulator (RefSeq) | insig. | 24 | 78 |
| | Azospirillum sp. SherDot2 | MPMX19_01978 | | hypothetical protein | insig. | 29 | 72 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_22005 | | transcription factor | sig. | 25 | 77 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS05290 | | Crp/Fnr family transcriptional regulator | insig. | 29 | 68 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS17960 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 86 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT4338 | | CRP family transcriptional regulator with cAMP-binding domain (NCBI ptt file) | no data | 26 | 80 |
| | Rhodopseudomonas palustris CGA009 | TX73_010705 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 73 |
| | Paraburkholderia graminis OAS925 | ABIE53_003893 | | CRP/FNR family cyclic AMP-dependent transcriptional regulator | insig. | 23 | 65 |
| | Pseudomonas sp. SVBP6 | COO64_RS14205 | | Crp/Fnr family transcriptional regulator | no data | 26 | 76 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0447 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 26 | 71 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c23680 | | putative transcriptional regulator, crp family | sig. | 29 | 84 |
| | Bosea sp. OAE506 | ABIE41_RS01080 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 66 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_05152 | | cyclic nucleotide-binding domain protein | no data | 26 | 80 |
| | Agrobacterium fabrum C58 | Atu2394 | | Regulator of Biofilm formation, Fnr Family | strong | 26 | 69 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_02710 | | transcriptional regulator, Crp/Fnr family | insig. | 24 | 63 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15870 | | Crp/Fnr family transcriptional regulator | no data | 28 | 73 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS05895 | | Crp/Fnr family transcriptional regulator | no data | 27 | 80 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5756 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | sig. | 24 | 77 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25115 | | transcription factor | strong | 25 | 77 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS13080 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 74 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14990 | | cAMP-binding protein | cofit | 26 | 81 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3270 | | putative transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 30 | 50 |
| | Azospirillum brasilense Sp245 | AZOBR_RS09400 | | transcriptional regulator Crp/Fnr family | insig. | 27 | 80 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_1724 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 23 | 82 |
| | Pseudomonas sp. RS175 | PFR28_02222 | | Cyclic AMP receptor protein | sig. | 24 | 77 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03440 | | Nitrogen fixation regulation protein FixK | cofit | 26 | 77 |
| | Pseudomonas stutzeri RCH2 | Psest_3495 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 26 | 79 |
| | Rhodospirillum rubrum S1H | Rru_A2636 | | Cyclic nucleotide-binding domain (cNMP-BD) protein (NCBI) | insig. | 27 | 87 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07065 | | Crp/Fnr family transcriptional regulator | cofit | 26 | 76 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS14815 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 71 |
| | Alteromonas macleodii MIT1002 | MIT1002_03470 | | cAMP regulatory protein | insig. | 27 | 71 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06455 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 81 |
| | Rhodopseudomonas palustris CGA009 | TX73_005105 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 62 |
| | Ralstonia solanacearum GMI1000 | RS_RS21775 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 75 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5742 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | no data | 24 | 79 |
| | Bosea sp. OAE506 | ABIE41_RS06880 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 81 |
| | Dechlorosoma suillum PS | Dsui_3120 | | cAMP-binding protein | cofit | 26 | 85 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_22070 | | DnrE protein | insig. | 24 | 85 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25180 | | DnrE protein | no data | 24 | 71 |
| | Sinorhizobium meliloti 1021 | SM_b21079 | | transcriptional regulator | insig. | 28 | 62 |
| | Dechlorosoma suillum PS | Dsui_1460 | | cAMP-binding protein | strong | 25 | 73 |
| | Shewanella amazonensis SB2B | Sama_2685 | | cAMP-binding protein (RefSeq) | insig. | 24 | 73 |
| | Rhodopseudomonas palustris CGA009 | TX73_022920 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 71 |
| | Pseudomonas sp. SVBP6 | COO64_RS14150 | | Crp/Fnr family transcriptional regulator | insig. | 24 | 70 |
| | Pseudomonas sp. RS175 | PFR28_02210 | | cAMP-activated global transcriptional regulator CRP | insig. | 24 | 81 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03430 | | Cyclic AMP receptor protein | cofit | 23 | 85 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_713 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | insig. | 25 | 68 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14830 | | Crp/Fnr family transcriptional regulator | cofit | 30 | 80 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07070 | | Crp/Fnr family transcriptional regulator | cofit | 29 | 52 |
| | Cellulophaga baltica 18 | M666_RS04590 | | Crp/Fnr family transcriptional regulator | insig. | 20 | 82 |
| | Sinorhizobium meliloti 1021 | SMa1207 | | Crp family transcriptional regulator | insig. | 25 | 79 |
| | Bosea sp. OAE506 | ABIE41_RS05275 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 62 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_724 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | insig. | 23 | 78 |
| | Enterobacter sp. TBS_079 | MPMX20_00943 | | Transcriptional activator protein Anr | strong | 22 | 84 |