| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas stutzeri RCH2 | Psest_0830 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | strong | 100 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_02222 | | Cyclic AMP receptor protein | sig. | 85 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_25115 | | transcription factor | strong | 85 | 100 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_22005 | | transcription factor | sig. | 83 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5756 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | sig. | 82 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03440 | | Nitrogen fixation regulation protein FixK | cofit | 82 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS14150 | | Crp/Fnr family transcriptional regulator | insig. | 81 | 100 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_713 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | insig. | 85 | 100 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_22800 | | transcriptional regulator Dnr | insig. | 69 | 100 |
| | Pseudomonas stutzeri RCH2 | Psest_0839 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | sig. | 44 | 96 |
| | Pseudomonas stutzeri RCH2 | Psest_3493 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | no data | 43 | 95 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_724 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | insig. | 39 | 96 |
| | Shewanella loihica PV-4 | Shew_3331 | | Crp/FNR family transcriptional regulator (RefSeq) | insig. | 40 | 93 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25180 | | DnrE protein | no data | 39 | 96 |
| | Pseudomonas sp. RS175 | PFR28_02210 | | cAMP-activated global transcriptional regulator CRP | insig. | 40 | 96 |
| | Shewanella amazonensis SB2B | Sama_2685 | | cAMP-binding protein (RefSeq) | insig. | 39 | 95 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5742 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | no data | 41 | 96 |
| | Pseudomonas sp. SVBP6 | COO64_RS14205 | | Crp/Fnr family transcriptional regulator | no data | 38 | 96 |
| | Pseudomonas stutzeri RCH2 | Psest_3495 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 38 | 97 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_22070 | | DnrE protein | insig. | 41 | 93 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_1724 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 31 | 95 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03430 | | Cyclic AMP receptor protein | cofit | 37 | 96 |
| o | Dechlorosoma suillum PS | Dsui_1460 | | cAMP-binding protein | strong | 35 | 93 |
| o | Azospirillum sp. SherDot2 | MPMX19_01978 | | hypothetical protein | insig. | 35 | 94 |
| o | Desulfovibrio vulgaris Hildenborough JW710 | DVU2547 | | transcriptional regulator, putative (TIGR) | strong | 34 | 92 |
| | Dechlorosoma suillum PS | Dsui_3120 | | cAMP-binding protein | cofit | 33 | 94 |
| o | Dinoroseobacter shibae DFL-12 | Dshi_3189 | | cyclic nucleotide-binding protein (RefSeq) | insig. | 32 | 95 |
| o | Ralstonia solanacearum GMI1000 | RS_RS21775 | | Crp/Fnr family transcriptional regulator | insig. | 34 | 92 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_0993 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 30 | 96 |
| o | Ralstonia solanacearum PSI07 | RPSI07_RS06730 | | Crp/Fnr family transcriptional regulator | insig. | 33 | 92 |
| o | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS16715 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 96 |
| o | Ralstonia solanacearum UW163 | UW163_RS18070 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 96 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3191 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 30 | 96 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS08885 | | Crp/Fnr family transcriptional regulator | insig. | 32 | 95 |
| o | Rhodopseudomonas palustris CGA009 | TX73_003485 | | Crp/Fnr family transcriptional regulator | strong | 28 | 96 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06455 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 93 |
| | Rhodospirillum rubrum S1H | Rru_A2636 | | Cyclic nucleotide-binding domain (cNMP-BD) protein (NCBI) | insig. | 33 | 87 |
| o | Sinorhizobium meliloti 1021 | SMa1207 | | Crp family transcriptional regulator | insig. | 33 | 96 |
| o | Agrobacterium fabrum C58 | Atu2394 | | Regulator of Biofilm formation, Fnr Family | strong | 33 | 88 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS17960 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 92 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14990 | | cAMP-binding protein | cofit | 26 | 93 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS14815 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 93 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07065 | | Crp/Fnr family transcriptional regulator | cofit | 31 | 93 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17340 | | hypothetical protein | insig. | 30 | 84 |
| | Rhodopseudomonas palustris CGA009 | TX73_021475 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 89 |
| | Azospirillum sp. SherDot2 | MPMX19_00212 | | Nitrogen fixation regulation protein FixK | cofit | 28 | 92 |
| | Agrobacterium fabrum C58 | Atu4380 | | Crp family transcriptional regulator | insig. | 26 | 93 |
| | Dechlorosoma suillum PS | Dsui_1690 | | cAMP-binding protein | cofit | 28 | 89 |
| | Azospirillum brasilense Sp245 | AZOBR_RS01145 | | Crp/Fnr family transcriptional regulator | cofit | 27 | 92 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS18110 | | cAMP-binding protein | insig. | 27 | 93 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS13935 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 90 |
| | Rhodopseudomonas palustris CGA009 | TX73_020705 | | Crp/Fnr family transcriptional regulator | insig. | 23 | 89 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_07375 | | transcriptional regulator Anr | strong | 32 | 81 |
| | Azospirillum brasilense Sp245 | AZOBR_RS09400 | | transcriptional regulator Crp/Fnr family | insig. | 24 | 96 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS11745 | | Crp/Fnr family transcriptional regulator | cofit | 24 | 95 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23090 | | Crp/Fnr family transcription regulator | insig. | 28 | 89 |
| | Variovorax sp. SCN45 | GFF6806 | | transcriptional regulator, Crp/Fnr family | no data | 26 | 91 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | insig. | 31 | 81 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | no data | 31 | 81 |
| | Azospirillum sp. SherDot2 | MPMX19_03723 | | hypothetical protein | no data | 25 | 96 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS18105 | | cAMP-binding protein | no data | 26 | 98 |
| o | Bacteroides ovatus ATCC 8483 | BACOVA_05152 | | cyclic nucleotide-binding domain protein | no data | 24 | 93 |
| | Pseudomonas stutzeri RCH2 | Psest_2538 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | strong | 28 | 81 |
| | Pectobacterium carotovorum WPP14 | HER17_RS08805 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 88 |
| o | Bacteroides stercoris CC31F | HMPREF1181_RS05895 | | Crp/Fnr family transcriptional regulator | no data | 26 | 93 |
| | Sinorhizobium meliloti 1021 | SMa1245 | | Crp/fnr-like transcriptional regulator | insig. | 25 | 88 |
| | Azospirillum brasilense Sp245 | AZOBR_RS32695 | | hypothetical protein | no data | 22 | 97 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS03515 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 65 |
| | Sphingobium sp. HT1-2 | GFF4341 | | hypothetical protein | insig. | 29 | 94 |
| o | Phocaeicola dorei CL03T12C01 | ABI39_RS17950 | | Crp/Fnr family transcriptional regulator | insig. | 23 | 93 |
| o | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS06075 | | Crp/Fnr family transcriptional regulator | no data | 23 | 93 |
| | Pseudomonas sp. SVBP6 | COO64_RS18640 | fnrA | Crp/Fnr family transcriptional regulator FnrA | insig. | 31 | 81 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF774 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 25 | 91 |
| | Dechlorosoma suillum PS | Dsui_2077 | | cAMP-binding protein | strong | 26 | 94 |
| | Rhodospirillum rubrum S1H | Rru_A2635 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | no data | 26 | 84 |
| | Pseudomonas putida KT2440 | PP_4265 | | DNA-binding transcriptional dual regulator | strong | 30 | 81 |
| | Phaeobacter inhibens DSM 17395 | PGA1_262p01250 | | transcriptional regulator, crp family | sig. | 23 | 96 |
| o | Bacteroides thetaiotaomicron VPI-5482 | BT4338 | | CRP family transcriptional regulator with cAMP-binding domain (NCBI ptt file) | no data | 23 | 94 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07070 | | Crp/Fnr family transcriptional regulator | cofit | 25 | 95 |
| | Pseudomonas sp. BP01 | JOY50_RS00125 | fnrA | Crp/Fnr family transcriptional regulator FnrA | insig. | 30 | 81 |
| | Rhodospirillum rubrum S1H | Rru_A3322 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | cofit | 25 | 90 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17185 | | Crp/Fnr family transcriptional regulator | strong | 23 | 92 |
| | Pseudomonas sp. S08-1 | OH686_02245 | | Fumarate and nitrate reduction regulatory protein | insig. | 30 | 81 |
| | Azospirillum brasilense Sp245 | AZOBR_RS28220 | | cyclic nucleotide-binding protein | insig. | 27 | 88 |
| | Dechlorosoma suillum PS | Dsui_2397 | | cAMP-binding protein | cofit | 23 | 96 |
| | Bosea sp. OAE506 | ABIE41_RS15480 | | helix-turn-helix domain-containing protein | insig. | 23 | 88 |
| | Sinorhizobium meliloti 1021 | SMc02175 | | transcriptional regulator | sig. | 27 | 68 |
| | Caulobacter crescentus NA1000 | CCNA_01476 | | CRP-family transcription regulator FtrB | sig. | 24 | 87 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01476 | | CRP-family transcription regulator FtrB | cofit | 24 | 87 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS22105 | | transcriptional regulator | insig. | 24 | 88 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_13230 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 89 |
| | Pseudomonas sp. RS175 | PFR28_01079 | | Transcriptional activator protein Anr | no data | 30 | 81 |
| | Caulobacter crescentus NA1000 | CCNA_00789 | | hypoxia transcriptional regulator FixK | strong | 31 | 83 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00789 | | hypoxia transcriptional regulator FixK | cofit | 31 | 83 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS35420 | | hypothetical protein | insig. | 30 | 75 |
| | Azospirillum sp. SherDot2 | MPMX19_05361 | | CRP-like cAMP-activated global transcriptional regulator | strong | 24 | 93 |
| | Dickeya dadantii 3937 | DDA3937_RS19445 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 89 |
| | Dickeya dianthicola 67-19 | HGI48_RS19565 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 89 |
| | Dickeya dianthicola ME23 | DZA65_RS20650 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 89 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_02485 | | transcriptional regulator | sig. | 30 | 81 |