| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_724 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | insig. | 100 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_25180 | | DnrE protein | no data | 96 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_02210 | | cAMP-activated global transcriptional regulator CRP | insig. | 93 | 100 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_22070 | | DnrE protein | insig. | 86 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5742 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | no data | 84 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS14205 | | Crp/Fnr family transcriptional regulator | no data | 79 | 99 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03430 | | Cyclic AMP receptor protein | cofit | 78 | 100 |
| o | Pseudomonas stutzeri RCH2 | Psest_0839 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | sig. | 56 | 100 |
| | Pseudomonas stutzeri RCH2 | Psest_3493 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | no data | 48 | 99 |
| | Pseudomonas stutzeri RCH2 | Psest_3495 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 45 | 95 |
| o | Shewanella loihica PV-4 | Shew_3331 | | Crp/FNR family transcriptional regulator (RefSeq) | insig. | 40 | 95 |
| | Shewanella amazonensis SB2B | Sama_2685 | | cAMP-binding protein (RefSeq) | insig. | 38 | 95 |
| | Pseudomonas stutzeri RCH2 | Psest_0830 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | strong | 39 | 96 |
| | Pseudomonas sp. SVBP6 | COO64_RS14150 | | Crp/Fnr family transcriptional regulator | insig. | 36 | 96 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5756 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | sig. | 36 | 96 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_22005 | | transcription factor | sig. | 36 | 96 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_25115 | | transcription factor | strong | 36 | 96 |
| | Pseudomonas sp. RS175 | PFR28_02222 | | Cyclic AMP receptor protein | sig. | 36 | 96 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS22645 | dnr;inference=COORDINATES | transcriptional regulator Dnr | cofit | 39 | 96 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_22800 | | transcriptional regulator Dnr | insig. | 39 | 96 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS36690 | dnr;inference=COORDINATES | transcriptional regulator Dnr | sig. | 39 | 96 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03440 | | Nitrogen fixation regulation protein FixK | cofit | 35 | 96 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_713 | | Nitric oxide -responding transcriptional regulator Dnr (Crp/Fnr family) | insig. | 36 | 96 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_1724 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 29 | 95 |
| o | Azospirillum sp. SherDot2 | MPMX19_01978 | | hypothetical protein | insig. | 33 | 94 |
| o | Dechlorosoma suillum PS | Dsui_3120 | | cAMP-binding protein | cofit | 36 | 96 |
| | Dechlorosoma suillum PS | Dsui_1460 | | cAMP-binding protein | strong | 39 | 80 |
| o | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS16715 | | Crp/Fnr family transcriptional regulator | insig. | 37 | 83 |
| o | Ralstonia solanacearum UW163 | UW163_RS18070 | | Crp/Fnr family transcriptional regulator | insig. | 37 | 83 |
| o | Ralstonia solanacearum PSI07 | RPSI07_RS06730 | | Crp/Fnr family transcriptional regulator | insig. | 37 | 83 |
| o | Castellaniella sp019104865 MT123 | ABCV34_RS06455 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 98 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3189 | | cyclic nucleotide-binding protein (RefSeq) | insig. | 30 | 84 |
| o | Ralstonia solanacearum GMI1000 | RS_RS21775 | | Crp/Fnr family transcriptional regulator | insig. | 35 | 94 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2547 | | transcriptional regulator, putative (TIGR) | strong | 32 | 92 |
| o | Rhodospirillum rubrum S1H | Rru_A2636 | | Cyclic nucleotide-binding domain (cNMP-BD) protein (NCBI) | insig. | 34 | 85 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS08885 | | Crp/Fnr family transcriptional regulator | insig. | 36 | 83 |
| o | Magnetospirillum magneticum AMB-1 | AMB_RS14990 | | cAMP-binding protein | cofit | 26 | 97 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0993 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 26 | 95 |
| | Rhodopseudomonas palustris CGA009 | TX73_003485 | | Crp/Fnr family transcriptional regulator | strong | 29 | 84 |
| o | Synechocystis sp000284455 PCC 6803 | SGL_RS17960 | | Crp/Fnr family transcriptional regulator | insig. | 25 | 99 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07065 | | Crp/Fnr family transcriptional regulator | cofit | 33 | 71 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS13935 | | Crp/Fnr family transcriptional regulator | insig. | 30 | 95 |
| | Agrobacterium fabrum C58 | Atu2394 | | Regulator of Biofilm formation, Fnr Family | strong | 30 | 79 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS14815 | | Crp/Fnr family transcriptional regulator | insig. | 31 | 87 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS18110 | | cAMP-binding protein | insig. | 29 | 95 |
| o | Xanthobacter sp. DMC5 | GFF4741 | | hypothetical protein | insig. | 27 | 90 |
| | Rhodospirillum rubrum S1H | Rru_A2635 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | no data | 31 | 84 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS18105 | | cAMP-binding protein | no data | 30 | 79 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3191 | | transcriptional regulator, Crp/Fnr family (RefSeq) | insig. | 27 | 91 |
| | Rhodopseudomonas palustris CGA009 | TX73_020705 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 98 |
| | Azospirillum brasilense Sp245 | AZOBR_RS32695 | | hypothetical protein | no data | 26 | 96 |
| o | Bacteroides thetaiotaomicron VPI-5482 | BT1413 | | putative transcription regulator (NCBI ptt file) | insig. | 26 | 92 |
| | Rhodopseudomonas palustris CGA009 | TX73_021475 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 88 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_00819 | | cyclic nucleotide-binding domain protein | insig. | 25 | 92 |
| | Agrobacterium fabrum C58 | Atu4380 | | Crp family transcriptional regulator | insig. | 25 | 90 |
| | Azospirillum brasilense Sp245 | AZOBR_RS28220 | | cyclic nucleotide-binding protein | insig. | 28 | 92 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_11565 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 92 |
| | Dechlorosoma suillum PS | Dsui_1690 | | cAMP-binding protein | cofit | 24 | 88 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS18675 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 90 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_1722 | | transcriptional regulator, Crp/Fnr family | insig. | 27 | 92 |
| | Sinorhizobium meliloti 1021 | SMa1245 | | Crp/fnr-like transcriptional regulator | insig. | 27 | 85 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_481 | | transcriptional regulator, Crp/Fnr family | insig. | 27 | 92 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS11745 | | Crp/Fnr family transcriptional regulator | cofit | 22 | 95 |
| | Dechlorosoma suillum PS | Dsui_2077 | | cAMP-binding protein | strong | 26 | 93 |
| o | Caulobacter crescentus NA1000 | CCNA_01476 | | CRP-family transcription regulator FtrB | sig. | 25 | 89 |
| o | Caulobacter crescentus NA1000 Δfur | CCNA_01476 | | CRP-family transcription regulator FtrB | cofit | 25 | 89 |
| | Azospirillum brasilense Sp245 | AZOBR_RS09400 | | transcriptional regulator Crp/Fnr family | insig. | 24 | 95 |
| | Pseudomonas sp. DMC3 | GFF4244 | | CRP-like cAMP-activated global transcriptional regulator | insig. | 27 | 92 |
| | Pectobacterium carotovorum WPP14 | HER17_RS08805 | | Crp/Fnr family transcriptional regulator | insig. | 27 | 81 |
| | Sinorhizobium meliloti 1021 | SMa1207 | | Crp family transcriptional regulator | insig. | 29 | 94 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS07860 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 80 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS19345 | anr;inference=COORDINATES | transcriptional regulator Anr | strong | 27 | 80 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_07375 | | transcriptional regulator Anr | strong | 27 | 80 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS53475 | anr;inference=COORDINATES | transcriptional regulator Anr | strong | 27 | 80 |
| | Rhodopseudomonas palustris CGA009 | TX73_003955 | | Crp/Fnr family transcriptional regulator | insig. | 24 | 90 |
| | Phaeobacter inhibens DSM 17395 | PGA1_262p01250 | | transcriptional regulator, crp family | sig. | 24 | 91 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS09285 | | global nitrogen regulator NtcA | no data | 27 | 81 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17340 | | hypothetical protein | insig. | 27 | 84 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_0127 | ntcA | transcriptional regulator, Crp/Fnr family | no data | 28 | 83 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF774 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | insig. | 24 | 92 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS11050 | | Crp/Fnr family transcriptional regulator | cofit | 28 | 78 |
| | Pseudomonas sp. SVBP6 | COO64_RS12305 | | Crp/Fnr family transcriptional regulator | insig. | 28 | 89 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS19890 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 92 |
| | Ralstonia solanacearum UW163 | UW163_RS19285 | | Crp/Fnr family transcriptional regulator | insig. | 26 | 92 |
| | Azospirillum brasilense Sp245 | AZOBR_RS17185 | | Crp/Fnr family transcriptional regulator | strong | 20 | 89 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS10035 | | transcriptional regulator | strong | 25 | 79 |
| | Marinobacter adhaerens HP15 | HP15_3307 | | transcriptional regulator, Crp/Fnr family | sig. | 22 | 81 |
| | Variovorax sp. SCN45 | GFF6806 | | transcriptional regulator, Crp/Fnr family | no data | 25 | 83 |
| | Pectobacterium carotovorum WPP14 | HER17_RS01915 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli BL21 | ECD_03208 | | cAMP-activated global transcription factor, mediator of catabolite repression | no data | 22 | 81 |
| | Escherichia fergusonii Becca | EFB2_00465 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECOR27 | NOLOHH_09040 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECOR38 | HEPCGN_16065 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECRC100 | OKFHMN_17240 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECRC101 | MCAODC_07770 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECRC102 | NIAGMN_15010 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECRC62 | BNILDI_02480 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECRC98 | JDDGAC_20870 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli ECRC99 | KEDOAH_10900 | crp | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00345 | | cAMP-activated global transcriptional regulator CRP | no data | 22 | 81 |