| Organism |  Ratio1 |  Gene1 |  Name1 |  Description1 |  Ratio2 |  Gene2 |  Name2 |  Description2 |  Cofit |  Rank | 
 | Pseudomonas syringae pv. syringae B728a |  1.0 |  Psyr_3425 |   |  Cyclic nucleotide-binding:Bacterial regulatory protein, Crp |  1.0 |  Psyr_0514 |   |  Intergral membrane protein, YccS:Integral membrane protein, YccS/YhfK |  0.44 |  19 | 
 | Pseudomonas syringae pv. syringae B728a ΔmexB |  1.00 |  Psyr_3425 |   |  Cyclic nucleotide-binding:Bacterial regulatory protein, Crp |  1.00 |  Psyr_0514 |   |  Intergral membrane protein, YccS:Integral membrane protein, YccS/YhfK |  — |  — | 
 | Pseudomonas sp. RS175 |  0.93 |  PFR28_01079 |   |  Transcriptional activator protein Anr |  0.86 |  PFR28_04174 |   |  Inner membrane protein YccS |  — |  — | 
 | Pseudomonas sp. DMC3 |  0.92 |  GFF711 |   |  Transcriptional activator protein Anr |  0.87 |  GFF144 |   |  Inner membrane protein YccS |  — |  — | 
 | Pseudomonas fluorescens FW300-N2E2 |  0.92 |  Pf6N2E2_2323 |   |  Fumarate and nitrate reduction regulatory protein |  0.83 |  Pf6N2E2_4671 |   |  FIG00956403: hypothetical protein |  low |  > 103 | 
 | Pseudomonas fluorescens FW300-N1B4 |  0.92 |  Pf1N1B4_3867 |   |  Fumarate and nitrate reduction regulatory protein |  0.87 |  Pf1N1B4_2410 |   |  FIG00956403: hypothetical protein |  — |  — | 
 | Pseudomonas sp. SVBP6 |  0.92 |  COO64_RS18640 |  fnrA |  Crp/Fnr family transcriptional regulator FnrA |  0.86 |  COO64_RS17610 |  yccS |  YccS family putative transporter |  low |  > 93 | 
 | Pseudomonas fluorescens FW300-N2C3 |  0.92 |  AO356_02485 |   |  transcriptional regulator |  0.86 |  AO356_13760 |   |  hypothetical protein |  low |  > 104 | 
 | Pseudomonas fluorescens GW456-L13 |  0.91 |  PfGW456L13_4071 |   |  Fumarate and nitrate reduction regulatory protein |  0.86 |  PfGW456L13_1076 |   |  FIG00956403: hypothetical protein |  low |  > 87 | 
 | Pseudomonas putida KT2440 |  0.91 |  PP_4265 |   |  DNA-binding transcriptional dual regulator |  0.81 |  PP_4954 |   |  conserved membrane protein of unknown function |  low |  > 96 | 
 | Pseudomonas simiae WCS417 |  0.91 |  PS417_20785 |   |  transcriptional regulator |  0.87 |  PS417_26380 |   |  YccS/YhfK family integral membrane protein |  low |  > 88 | 
 | Pseudomonas fluorescens SBW25 |  0.91 |  PFLU_RS22395 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.87 |  PFLU_RS28030 |   |  TIGR01666 family membrane protein |  low |  > 109 | 
 | Pseudomonas lactucae CFBP13502 |  0.91 |  GEMAOFIL_04302 |   |  Transcriptional activator protein Anr |  0.87 |  GEMAOFIL_05402 |   |  Inner membrane protein YccS |  — |  — | 
 | Pseudomonas fluorescens SBW25-INTG |  0.91 |  PFLU_RS22395 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.87 |  PFLU_RS28030 |   |  TIGR01666 family membrane protein |  low |  > 109 | 
 | Pseudomonas sp. BP01 |  0.91 |  JOY50_RS00125 |  fnrA |  Crp/Fnr family transcriptional regulator FnrA |  0.80 |  JOY50_RS09925 |  yccS |  YccS family putative transporter |  low |  > 84 | 
 | Pseudomonas fluorescens FW300-N2E3 |  0.90 |  AO353_00660 |   |  transcriptional regulator |  0.87 |  AO353_07860 |   |  hypothetical protein |  low |  > 101 | 
 | Pseudomonas sp. S08-1 |  0.88 |  OH686_02245 |   |  Fumarate and nitrate reduction regulatory protein |  0.64 |  OH686_10645 |   |  hypothetical protein |  low |  > 80 | 
 | Pseudomonas aeruginosa PA14 |  0.87 |  IKLFDK_07375 |   |  transcriptional regulator Anr |  0.72 |  IKLFDK_23160 |   |  TIGR01666 family membrane protein |  low |  > 100 | 
 | Pseudomonas stutzeri RCH2 |  0.85 |  Psest_2538 |   |  cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases |  0.69 |  Psest_0343 |   |  hypothetical membrane protein, TIGR01666 |  low |  > 67 | 
 | Pseudomonas segetis P6 |  0.83 |  MPMX49_02303 |   |  Transcriptional activator protein Anr |  0.68 |  MPMX49_00667 |   |  Inner membrane protein YccS |  low |  > 75 | 
 | Vibrio cholerae E7946 ATCC 55056 |  0.55 |  CSW01_07190 |   |  transcriptional regulator FNR |  0.40 |  CSW01_17765 |   |  TIGR01666 family membrane protein |  low |  > 62 | 
 | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 |  0.54 |  GFF2656 |   |  Fumarate and nitrate reduction regulatory protein |  0.34 |  GFF3251 |   |  Putative efflux (PET) family inner membrane protein YccS |  low |  > 78 | 
 | Dickeya dianthicola ME23 |  0.53 |  DZA65_RS11360 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.30 |  DZA65_RS16130 |   |  TIGR01666 family membrane protein |  low |  > 75 | 
 | Escherichia coli ECRC98 |  0.53 |  JDDGAC_04785 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  JDDGAC_08830 |  yccS |  Inner membrane protein YccS |  low |  > 87 | 
 | Serratia liquefaciens MT49 |  0.53 |  IAI46_13260 |   |  FNR family transcription factor |  0.33 |  IAI46_08890 |   |  TIGR01666 family membrane protein |  low |  > 86 | 
 | Dickeya dianthicola 67-19 |  0.53 |  HGI48_RS10900 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.30 |  HGI48_RS15305 |   |  TIGR01666 family membrane protein |  low |  > 71 | 
 | Rahnella sp. WP5 |  0.53 |  EX31_RS07200 |   |  FNR family transcription factor |  0.33 |  EX31_RS18025 |   |  TIGR01666 family membrane protein |  low |  > 89 | 
 | Erwinia amylovora T8 |  0.53 |  OLJFJH_13925 |   |  transcriptional regulator FNR |  0.32 |  OLJFJH_15920 |   |  TIGR01666 family membrane protein |  low |  > 58 | 
 | Dickeya dadantii 3937 |  0.53 |  DDA3937_RS10950 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.30 |  DDA3937_RS15230 |   |  TIGR01666 family membrane protein |  low |  > 74 | 
 | Escherichia coli ECOR27 |  0.53 |  NOLOHH_19940 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  NOLOHH_21775 |  yccS |  Inner membrane protein YccS |  low |  > 76 | 
 | Escherichia coli ECRC99 |  0.53 |  KEDOAH_26530 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  KEDOAH_22515 |  yccS |  Inner membrane protein YccS |  — |  — | 
 | Escherichia coli ECRC102 |  0.53 |  NIAGMN_26410 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  NIAGMN_02940 |  yccS |  Inner membrane protein YccS |  low |  > 80 | 
 | Escherichia coli ECOR38 |  0.53 |  HEPCGN_25925 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  HEPCGN_23300 |  yccS |  Inner membrane protein YccS |  low |  > 88 | 
 | Escherichia fergusonii Becca |  0.53 |  EFB2_02593 |   |  Fumarate and nitrate reduction regulatory protein |  0.34 |  EFB2_03111 |   |  Inner membrane protein YccS |  0.39 |  58 | 
 | Enterobacter sp. TBS_079 |  0.53 |  MPMX20_02035 |   |  Fumarate and nitrate reduction regulatory protein |  0.33 |  MPMX20_01610 |   |  Inner membrane protein YccS |  low |  > 85 | 
 | Escherichia coli ECRC101 |  0.53 |  MCAODC_16030 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  MCAODC_24610 |  yccS |  Inner membrane protein YccS |  low |  > 88 | 
 | Escherichia coli BW25113 |  0.53 |  b1334 |  fnr |  DNA-binding transcriptional dual regulator, global regulator of anaerobic growth (NCBI) |  0.34 |  b0960 |  b0960 |  orf, hypothetical protein (VIMSS) |  low |  > 76 | 
 | Escherichia coli HS(pFamp)R (ATCC 700891) |  0.53 |  OHPLBJKB_02348 |   |  Fumarate and nitrate reduction regulatory protein |  0.34 |  OHPLBJKB_02706 |   |  Inner membrane protein YccS |  low |  > 74 | 
 | Pantoea agglomerans CFBP13505 P0401 |  0.53 |  PagCFBP13505_RS06575 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.31 |  PagCFBP13505_RS04700 |   |  TIGR01666 family membrane protein |  low |  > 74 | 
 | Escherichia coli Nissle 1917 |  0.53 |  ECOLIN_RS08005 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  ECOLIN_RS05045 |   |  YccS family putative transporter |  — |  — | 
 | Enterobacter asburiae PDN3 |  0.53 |  EX28DRAFT_1540 |   |  cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases |  0.34 |  EX28DRAFT_1983 |   |  TIGR01666 family membrane protein |  low |  > 76 | 
 | Escherichia coli ECRC100 |  0.53 |  OKFHMN_02240 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  OKFHMN_05220 |  yccS |  Inner membrane protein YccS |  low |  > 79 | 
 | Escherichia coli ECRC62 |  0.53 |  BNILDI_18090 |  fnr |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.34 |  BNILDI_19940 |  yccS |  Inner membrane protein YccS |  low |  > 75 | 
 | Klebsiella pneumoniae MKP103 |  0.53 |  KDGMDA_21005 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.33 |  KDGMDA_18215 |   |  TIGR01666 family membrane protein |  low |  > 95 | 
 | Pectobacterium carotovorum WPP14 |  0.53 |  HER17_RS10525 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.32 |  HER17_RS08435 |   |  YccS family putative transporter |  low |  > 75 | 
 | Klebsiella michiganensis M5al |  0.53 |  BWI76_RS16185 |   |  transcriptional regulator FNR |  0.34 |  BWI76_RS09985 |   |  membrane protein |  — |  — | 
 | Pantoea sp. MT58 |  0.53 |  IAI47_09580 |   |  FNR family transcription factor |  0.31 |  IAI47_12630 |   |  TIGR01666 family membrane protein |  0.50 |  29 | 
 | Herbaspirillum seropedicae SmR1 |  0.41 |  HSERO_RS16020 |   |  transcriptional regulator |  0.10 |  HSERO_RS10560 |   |  membrane protein |  — |  — | 
 | Ralstonia solanacearum IBSBF1503 |  0.39 |  RALBFv3_RS15650 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.08 |  RALBFv3_RS06525 |   |  FUSC family protein |  low |  > 76 | 
 | Ralstonia solanacearum UW163 |  0.39 |  UW163_RS13110 |   |  fumarate/nitrate reduction transcriptional regulator Fnr |  0.08 |  UW163_RS07100 |   |  FUSC family protein |  — |  — | 
 | Castellaniella sp019104865 MT123 |  0.37 |  ABCV34_RS06835 |   |  helix-turn-helix domain-containing protein |  0.08 |  ABCV34_RS01205 |   |  FUSC family membrane protein |  low |  > 48 | 
 | Dyella japonica UNC79MFTsu3.2 |  0.28 |  ABZR86_RS04345 |   |  cyclic nucleotide-binding domain-containing protein |  0.39 |  ABZR86_RS20530 |   |  YccS family putative transporter |  low |  > 74 | 
 | Xanthomonas campestris pv. campestris strain 8004 |  0.25 |  Xcc-8004.2952.1 |   |  transcriptional regulator, Crp/Fnr family |  0.48 |  Xcc-8004.656.1 |   |  FIG01209718: hypothetical protein |  low |  > 74 | 
Not shown: 39 genomes with orthologs for Psyr_3425 only; 8 genomes with orthologs for Psyr_0514 only