| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Azospirillum sp. SherDot2 | 1.0 | MPMX19_01149 | | Polyphosphate kinase | 1.0 | MPMX19_00212 | | Nitrogen fixation regulation protein FixK | 0.62 | 9 |
| Azospirillum brasilense Sp245 | 0.89 | AZOBR_RS16235 | | polyphosphate kinase | 0.92 | AZOBR_RS01145 | | Crp/Fnr family transcriptional regulator | low | > 97 |
| Magnetospirillum magneticum AMB-1 | 0.70 | AMB_RS14295 | | RNA degradosome polyphosphate kinase | 0.52 | AMB_RS22105 | | transcriptional regulator | low | > 64 |
| Rhodospirillum rubrum S1H | 0.64 | Rru_A2161 | | Polyphosphate kinase (NCBI) | 0.43 | Rru_A3322 | | Transcriptional Regulator, Crp/Fnr family (NCBI) | low | > 58 |
| Sinorhizobium meliloti 1021 | 0.62 | SMc00618 | | polyphosphate kinase | 0.32 | SMa1141 | | FNR/CRP family transcriptional regulator | low | > 103 |
| Rhodopseudomonas palustris CGA009 | 0.62 | TX73_015770 | | RNA degradosome polyphosphate kinase | 0.36 | TX73_021940 | | helix-turn-helix domain-containing protein | — | — |
| Agrobacterium fabrum C58 | 0.61 | Atu1144 | | polyphosphate kinase | 0.33 | Atu1602 | | transcriptional activator, Crp family | — | — |
| Sphingobium sp. HT1-2 | 0.57 | GFF2471 | | Polyphosphate kinase (EC 2.7.4.1) | 0.32 | GFF3049 | | Transcriptional regulator, Crp/Fnr family | low | > 95 |
| Dinoroseobacter shibae DFL-12 | 0.56 | Dshi_0740 | | Polyphosphate kinase (RefSeq) | 0.29 | Dshi_0660 | | transcriptional regulator, Crp/Fnr family (RefSeq) | low | > 64 |
| Sphingomonas koreensis DSMZ 15582 | 0.56 | Ga0059261_0225 | | polyphosphate kinase 1 | 0.21 | Ga0059261_1530 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | low | > 68 |
| Pseudomonas sp. S08-1 | 0.35 | OH686_13995 | | polyphosphate kinase 1 | 0.27 | OH686_02245 | | Fumarate and nitrate reduction regulatory protein | low | > 80 |
| Dechlorosoma suillum PS | 0.35 | Dsui_2814 | | polyphosphate kinase 1 | 0.25 | Dsui_1646 | | cAMP-binding protein | low | > 51 |
| Pseudomonas stutzeri RCH2 | 0.35 | Psest_3732 | | polyphosphate kinase 1 | 0.29 | Psest_2538 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | low | > 67 |
| Pseudomonas fluorescens FW300-N2E3 | 0.34 | AO353_08885 | | polyphosphate kinase | 0.27 | AO353_00660 | | transcriptional regulator | low | > 101 |
| Pseudomonas simiae WCS417 | 0.34 | PS417_27435 | | polyphosphate kinase | 0.27 | PS417_20785 | | transcriptional regulator | low | > 88 |
| Rhodanobacter sp. FW510-T8 | 0.34 | OKGIIK_08995 | ppk1 | RNA degradosome polyphosphate kinase | 0.24 | OKGIIK_00820 | | CRP-like protein Clp | low | > 53 |
| Pseudomonas sp. DMC3 | 0.34 | GFF336 | | Polyphosphate kinase | 0.27 | GFF711 | | Transcriptional activator protein Anr | — | — |
| Rhodanobacter sp000427505 FW510-R12 | 0.34 | LRK53_RS12780 | | polyphosphate kinase 1 | 0.25 | LRK53_RS14515 | | cyclic nucleotide-binding domain-containing protein | low | > 59 |
| Pseudomonas aeruginosa PA14 | 0.34 | IKLFDK_27250 | | polyphosphate kinase 1 | 0.27 | IKLFDK_07375 | | transcriptional regulator Anr | low | > 100 |
| Pseudomonas fluorescens SBW25 | 0.34 | PFLU_RS29095 | | polyphosphate kinase 1 | 0.27 | PFLU_RS22395 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 109 |
| Pseudomonas fluorescens SBW25-INTG | 0.34 | PFLU_RS29095 | | polyphosphate kinase 1 | 0.27 | PFLU_RS22395 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 109 |
| Pseudomonas segetis P6 | 0.34 | MPMX49_04503 | | Polyphosphate kinase | 0.25 | MPMX49_02303 | | Transcriptional activator protein Anr | 0.65 | 47 |
| Pseudomonas lactucae CFBP13502 | 0.34 | GEMAOFIL_05622 | | Polyphosphate kinase | 0.27 | GEMAOFIL_04302 | | Transcriptional activator protein Anr | — | — |
| Paraburkholderia bryophila 376MFSha3.1 | 0.34 | H281DRAFT_04418 | | polyphosphate kinase | 0.28 | H281DRAFT_01640 | | transcriptional regulator, Crp/Fnr family | low | > 103 |
| Castellaniella sp019104865 MT123 | 0.34 | ABCV34_RS15580 | | polyphosphate kinase 1 | 0.24 | ABCV34_RS06835 | | helix-turn-helix domain-containing protein | low | > 48 |
| Pseudomonas fluorescens FW300-N2E2 | 0.34 | Pf6N2E2_4453 | | Polyphosphate kinase (EC 2.7.4.1) | 0.27 | Pf6N2E2_2323 | | Fumarate and nitrate reduction regulatory protein | low | > 103 |
| Pseudomonas sp. RS175 | 0.34 | PFR28_04345 | | Polyphosphate kinase | 0.27 | PFR28_01079 | | Transcriptional activator protein Anr | — | — |
| Pseudomonas fluorescens FW300-N2C3 | 0.34 | AO356_12895 | | polyphosphate kinase | 0.27 | AO356_02485 | | transcriptional regulator | low | > 104 |
| Pseudomonas fluorescens FW300-N1B4 | 0.34 | Pf1N1B4_2208 | | Polyphosphate kinase (EC 2.7.4.1) | 0.27 | Pf1N1B4_3867 | | Fumarate and nitrate reduction regulatory protein | — | — |
| Kangiella aquimarina DSM 16071 | 0.34 | B158DRAFT_2312 | | polyphosphate kinase 1 | 0.27 | B158DRAFT_1982 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | low | > 40 |
| Pseudomonas sp. BP01 | 0.34 | JOY50_RS22545 | ppk1 | polyphosphate kinase 1 | 0.28 | JOY50_RS00125 | fnrA | Crp/Fnr family transcriptional regulator FnrA | low | > 84 |
| Paraburkholderia graminis OAS925 | 0.34 | ABIE53_002988 | | polyphosphate kinase | 0.25 | ABIE53_004332 | | CRP/FNR family transcriptional regulator | low | > 113 |
| Pseudomonas fluorescens GW456-L13 | 0.34 | PfGW456L13_874 | | Polyphosphate kinase (EC 2.7.4.1) | 0.27 | PfGW456L13_4071 | | Fumarate and nitrate reduction regulatory protein | low | > 87 |
| Paraburkholderia sabiae LMG 24235 | 0.34 | QEN71_RS04860 | | polyphosphate kinase 1 | 0.25 | QEN71_RS17975 | | helix-turn-helix domain-containing protein | low | > 153 |
| Pseudomonas sp. SVBP6 | 0.34 | COO64_RS01080 | ppk1 | polyphosphate kinase 1 | 0.28 | COO64_RS18640 | fnrA | Crp/Fnr family transcriptional regulator FnrA | low | > 93 |
| Burkholderia phytofirmans PsJN | 0.34 | BPHYT_RS14110 | | polyphosphate kinase | 0.26 | BPHYT_RS21215 | | Crp/Fnr family transcriptional regulator | low | > 109 |
| Pseudomonas putida KT2440 | 0.34 | PP_5217 | | Polyphosphate kinase | 0.28 | PP_4265 | | DNA-binding transcriptional dual regulator | low | > 96 |
| Rhodanobacter denitrificans MT42 | 0.34 | LRK55_RS15755 | | polyphosphate kinase 1 | 0.24 | LRK55_RS13815 | | cyclic nucleotide-binding domain-containing protein | low | > 63 |
| Rhodanobacter denitrificans FW104-10B01 | 0.34 | LRK54_RS16000 | | polyphosphate kinase 1 | 0.24 | LRK54_RS14095 | | cyclic nucleotide-binding domain-containing protein | low | > 59 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.34 | Psyr_0293 | | Polyphosphate kinase | 0.26 | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.34 | Psyr_0293 | | Polyphosphate kinase | 0.26 | Psyr_3425 | | Cyclic nucleotide-binding:Bacterial regulatory protein, Crp | low | > 86 |
| Lysobacter sp. OAE881 | 0.34 | ABIE51_RS14230 | | polyphosphate kinase 1 | 0.23 | ABIE51_RS03805 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 62 |
| Cupriavidus basilensis FW507-4G11 | 0.33 | RR42_RS13435 | | polyphosphate kinase | 0.24 | RR42_RS12875 | | transcriptional regulator | low | > 128 |
| Ralstonia solanacearum UW163 | 0.33 | UW163_RS15425 | | polyphosphate kinase 1 | 0.24 | UW163_RS13110 | | fumarate/nitrate reduction transcriptional regulator Fnr | — | — |
| Ralstonia solanacearum IBSBF1503 | 0.33 | RALBFv3_RS02115 | | polyphosphate kinase 1 | 0.24 | RALBFv3_RS15650 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 76 |
| Xanthomonas campestris pv. campestris strain 8004 | 0.33 | Xcc-8004.4064.1 | | Polyphosphate kinase (EC 2.7.4.1) | 0.35 | Xcc-8004.2952.1 | | transcriptional regulator, Crp/Fnr family | low | > 74 |
| Herbaspirillum seropedicae SmR1 | 0.33 | HSERO_RS06305 | | polyphosphate kinase | 0.25 | HSERO_RS16020 | | transcriptional regulator | — | — |
| Ralstonia solanacearum GMI1000 | 0.32 | RS_RS07705 | | polyphosphate kinase 1 | 0.25 | RS_RS06430 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 80 |
| Ralstonia sp. UNC404CL21Col | 0.32 | ABZR87_RS14065 | | polyphosphate kinase 1 | 0.25 | ABZR87_RS11180 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 80 |
| Ralstonia solanacearum PSI07 | 0.32 | RPSI07_RS15330 | | polyphosphate kinase 1 | 0.24 | RPSI07_RS17705 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 81 |
| Marinobacter adhaerens HP15 | 0.32 | HP15_3334 | | polyphosphate kinase | 0.29 | HP15_634 | | transcriptional regulator, Crp/Fnr family | low | > 73 |
| Acidovorax sp. GW101-3H11 | 0.31 | Ac3H11_452 | | Polyphosphate kinase (EC 2.7.4.1) | 0.27 | Ac3H11_975 | | transcriptional regulator, Crp/Fnr family | — | — |
| Hydrogenophaga sp. GW460-11-11-14-LB1 | 0.30 | GFF4226 | | Polyphosphate kinase (EC 2.7.4.1) | 0.27 | GFF4142 | | transcriptional regulator, Crp/Fnr family | low | > 90 |
| Echinicola vietnamensis KMM 6221, DSM 17526 | 0.28 | Echvi_2996 | | polyphosphate kinase 1 | 0.19 | Echvi_2881 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | low | > 79 |
| Cellulophaga baltica 18 | 0.28 | M666_RS11490 | | polyphosphate kinase 1 | 0.16 | M666_RS07170 | | Crp/Fnr family transcriptional regulator | low | > 67 |
| Methylophilus sp. DMC18 | 0.27 | GFF2750 | | Polyphosphate kinase | 0.26 | GFF1089 | | Transcriptional activator protein Anr | low | > 43 |
| Pantoea sp. MT58 | 0.27 | IAI47_05155 | | polyphosphate kinase 1 | 0.27 | IAI47_09580 | | FNR family transcription factor | low | > 76 |
| Shewanella sp. ANA-3 | 0.27 | Shewana3_2417 | | polyphosphate kinase (RefSeq) | 0.26 | Shewana3_2115 | | fumarate/nitrate reduction transcriptional regulator (RefSeq) | — | — |
| Pantoea agglomerans CFBP13505 P0401 | 0.27 | PagCFBP13505_RS15045 | | polyphosphate kinase 1 | 0.27 | PagCFBP13505_RS06575 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 74 |
| Erwinia amylovora T8 | 0.27 | OLJFJH_10565 | | polyphosphate kinase 1 | 0.27 | OLJFJH_13925 | | transcriptional regulator FNR | low | > 58 |
| Escherichia coli ECRC102 | 0.27 | NIAGMN_19570 | ppk1 | polyphosphate kinase 1 | 0.28 | NIAGMN_26410 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 80 |
| Escherichia coli ECOR27 | 0.27 | NOLOHH_13450 | ppk1 | polyphosphate kinase 1 | 0.28 | NOLOHH_19940 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 76 |
| Escherichia coli ECRC100 | 0.27 | OKFHMN_21800 | ppk1 | polyphosphate kinase 1 | 0.28 | OKFHMN_02240 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 79 |
| Escherichia coli ECOR38 | 0.27 | HEPCGN_20965 | ppk1 | polyphosphate kinase 1 | 0.28 | HEPCGN_25925 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 88 |
| Escherichia fergusonii Becca | 0.27 | EFB2_01397 | | Polyphosphate kinase | 0.28 | EFB2_02593 | | Fumarate and nitrate reduction regulatory protein | low | > 86 |
| Escherichia coli Nissle 1917 | 0.27 | ECOLIN_RS14200 | | polyphosphate kinase 1 | 0.28 | ECOLIN_RS08005 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 55 |
| Escherichia coli BW25113 | 0.27 | b2501 | ppk | polyphosphate kinase (NCBI) | 0.28 | b1334 | fnr | DNA-binding transcriptional dual regulator, global regulator of anaerobic growth (NCBI) | low | > 76 |
| Escherichia coli ECRC101 | 0.27 | MCAODC_12330 | ppk1 | polyphosphate kinase 1 | 0.27 | MCAODC_16030 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 88 |
| Escherichia coli ECRC99 | 0.27 | KEDOAH_06420 | ppk1 | polyphosphate kinase 1 | 0.28 | KEDOAH_26530 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | — | — |
| Escherichia coli ECRC62 | 0.27 | BNILDI_12260 | ppk1 | polyphosphate kinase 1 | 0.28 | BNILDI_18090 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 75 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.27 | OHPLBJKB_01225 | | Polyphosphate kinase | 0.28 | OHPLBJKB_02348 | | Fumarate and nitrate reduction regulatory protein | low | > 74 |
| Escherichia coli ECRC98 | 0.27 | JDDGAC_25745 | ppk1 | polyphosphate kinase 1 | 0.27 | JDDGAC_04785 | fnr | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 87 |
| Erwinia tracheiphila HP pepo 2.2 | 0.26 | IJEDHG_18355 | ppk1 | polyphosphate kinase 1 | 0.26 | IJEDHG_23150 | crp | transcriptional regulator FNR | low | > 61 |
| Erwinia tracheiphila SCR3 | 0.26 | LU632_RS08260 | ppk1 | polyphosphate kinase 1 | 0.26 | LU632_RS11420 | | FNR family transcription factor | low | > 74 |
| Enterobacter sp. TBS_079 | 0.26 | MPMX20_03356 | | Polyphosphate kinase | 0.27 | MPMX20_02035 | | Fumarate and nitrate reduction regulatory protein | low | > 85 |
| Enterobacter asburiae PDN3 | 0.26 | EX28DRAFT_0166 | | polyphosphate kinase 1 | 0.27 | EX28DRAFT_1540 | | cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases | low | > 76 |
| Klebsiella pneumoniae MKP103 | 0.26 | KDGMDA_27815 | | polyphosphate kinase 1 | 0.27 | KDGMDA_21005 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 95 |
| Klebsiella michiganensis M5al | 0.26 | BWI76_RS20995 | | RNA degradosome polyphosphate kinase | 0.27 | BWI76_RS16185 | | transcriptional regulator FNR | — | — |
| Shewanella amazonensis SB2B | 0.26 | Sama_2011 | | polyphosphate kinase (RefSeq) | 0.27 | Sama_1799 | | fumarate/nitrate reduction transcriptional regulator (RefSeq) | low | > 62 |
| Serratia liquefaciens MT49 | 0.26 | IAI46_18915 | | polyphosphate kinase 1 | 0.27 | IAI46_13260 | | FNR family transcription factor | low | > 86 |
| Shewanella loihica PV-4 | 0.26 | Shew_3079 | | polyphosphate kinase (RefSeq) | 0.27 | Shew_1993 | | fumarate/nitrate reduction transcriptional regulator (RefSeq) | — | — |
| Pectobacterium carotovorum WPP14 | 0.26 | HER17_RS06425 | | polyphosphate kinase 1 | 0.27 | HER17_RS10525 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 75 |
| Rahnella sp. WP5 | 0.26 | EX31_RS22680 | | polyphosphate kinase 1 | 0.26 | EX31_RS07200 | | FNR family transcription factor | low | > 89 |
| Vibrio cholerae E7946 ATCC 55056 | 0.26 | CSW01_03780 | | polyphosphate kinase 1 | 0.26 | CSW01_07190 | | transcriptional regulator FNR | low | > 62 |
| Alteromonas macleodii MIT1002 | 0.26 | MIT1002_00872 | | Polyphosphate kinase | 0.25 | MIT1002_02137 | | Fumarate and nitrate reduction regulatory protein | low | > 70 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.26 | GFF2167 | | Polyphosphate kinase (EC 2.7.4.1) | 0.27 | GFF2656 | | Fumarate and nitrate reduction regulatory protein | low | > 78 |
| Dickeya dadantii 3937 | 0.25 | DDA3937_RS15150 | | polyphosphate kinase 1 | 0.27 | DDA3937_RS10950 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 74 |
| Dickeya dianthicola ME23 | 0.25 | DZA65_RS16045 | | polyphosphate kinase 1 | 0.27 | DZA65_RS11360 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 75 |
| Dickeya dianthicola 67-19 | 0.25 | HGI48_RS15225 | | polyphosphate kinase 1 | 0.27 | HGI48_RS10900 | | fumarate/nitrate reduction transcriptional regulator Fnr | low | > 71 |
Not shown: 25 genomes with orthologs for MPMX19_01149 only; 2 genomes with orthologs for MPMX19_00212 only