| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_18785 | | DUF808 domain-containing protein | 1.0 | CSW01_07150 | | spermidine/putrescine ABC transporter permease PotC | 0.49 | 9 |
| Pseudomonas segetis P6 | 0.58 | MPMX49_01231 | | Inner membrane protein YedI | 0.37 | MPMX49_00550 | | Inner membrane ABC transporter permease protein YdcV | low | > 75 |
| Pseudomonas fluorescens FW300-N2E3 | 0.58 | AO353_01900 | | hypothetical protein | 0.36 | AO353_08560 | | spermidine/putrescine ABC transporter permease | low | > 101 |
| Pseudomonas aeruginosa PUPa3 | 0.57 | DQ20_RS55100 | | DUF808 domain-containing protein | 0.37 | DQ20_RS42195 | | ABC transporter permease | low | > 101 |
| Pseudomonas fluorescens SBW25 | 0.56 | PFLU_RS08885 | | DUF808 domain-containing protein | 0.37 | PFLU_RS28755 | | ABC transporter permease subunit | low | > 109 |
| Pseudomonas aeruginosa PA14 | 0.56 | IKLFDK_09045 | | DUF808 domain-containing protein | 0.37 | IKLFDK_18425 | | spermidine/putrescine ABC transporter permease | low | > 98 |
| Pseudomonas fluorescens SBW25-INTG | 0.56 | PFLU_RS08885 | | DUF808 domain-containing protein | 0.37 | PFLU_RS28755 | | ABC transporter permease subunit | low | > 109 |
| Pseudomonas simiae WCS417 | 0.56 | PS417_08830 | | membrane protein | 0.37 | PS417_27105 | | spermidine/putrescine ABC transporter permease | low | > 88 |
| Pseudomonas aeruginosa MRSN321 | 0.55 | DY961_RS21030 | | DUF808 domain-containing protein | 0.37 | DY961_RS14935 | | ABC transporter permease | low | > 100 |
| Pseudomonas lactucae CFBP13502 | 0.55 | GEMAOFIL_01896 | | Inner membrane protein YedI | 0.37 | GEMAOFIL_05561 | | Inner membrane ABC transporter permease protein YdcV | low | > 96 |
| Pseudomonas orientalis W4I3 | 0.55 | QF045_RS11525 | | DUF808 domain-containing protein | 0.37 | QF045_RS01480 | | ABC transporter permease subunit | low | > 93 |
| Pseudomonas fluorescens FW300-N1B4 | 0.55 | Pf1N1B4_3666 | | Membrane protein, putative | 0.36 | Pf1N1B4_2263 | | Putrescine transport system permease protein PotI (TC 3.A.1.11.2) | — | — |
| Pseudomonas fluorescens GW456-L13 | 0.54 | PfGW456L13_4283 | | Membrane protein, putative | 0.38 | PfGW456L13_2828 | | Spermidine Putrescine ABC transporter permease component potC (TC_3.A.1.11.1) | low | > 87 |
| Pseudomonas sp. S08-1 | 0.54 | OH686_13580 | | Inner membrane protein YedI | 0.38 | OH686_11310 | | Spermidine/putrescine import ABC transporter permease protein PotC | low | > 80 |
| Pseudomonas fluorescens FW300-N2C3 | 0.54 | AO356_19640 | | hypothetical protein | 0.36 | AO356_13175 | | spermidine/putrescine ABC transporter permease | low | > 104 |
| Pseudomonas fluorescens FW300-N2E2 | 0.54 | Pf6N2E2_5844 | | Membrane protein, putative | 0.36 | Pf6N2E2_4517 | | Putrescine transport system permease protein PotI (TC 3.A.1.11.2) | low | > 103 |
| Shewanella sp. ANA-3 | 0.53 | Shewana3_0979 | | hypothetical protein (RefSeq) | 0.37 | Shewana3_3094 | | binding-protein-dependent transport systems inner membrane component (RefSeq) | low | > 73 |
| Pseudomonas sp. DMC3 | 0.53 | GFF2507 | | Inner membrane protein YedI | 0.36 | GFF283 | | Inner membrane ABC transporter permease protein YdcV | — | — |
| Serratia liquefaciens MT49 | 0.53 | IAI46_06850 | | DUF808 domain-containing protein | 0.36 | IAI46_08385 | | putrescine ABC transporter permease PotI | low | > 87 |
| Pantoea agglomerans CFBP13505 P0401 | 0.53 | PagCFBP13505_RS01835 | | DUF808 domain-containing protein | 0.36 | PagCFBP13505_RS04300 | | putrescine ABC transporter permease PotI | low | > 74 |
| Variovorax sp. OAS795 | 0.53 | ABID97_RS21015 | | DUF808 domain-containing protein | 0.28 | ABID97_RS04045 | | ABC transporter permease | — | — |
| Pseudomonas sp. RS175 | 0.53 | PFR28_03107 | | Inner membrane protein YedI | 0.38 | PFR28_04291 | | Inner membrane ABC transporter permease protein YdcV | low | > 88 |
| Acidovorax sp. GW101-3H11 | 0.53 | Ac3H11_540 | | Membrane protein, putative | 0.23 | Ac3H11_4183 | | Spermidine Putrescine ABC transporter permease component potC (TC_3.A.1.11.1) | low | > 79 |
| Shewanella oneidensis MR-1 | 0.53 | SO1151 | | conserved hypothetical protein (NCBI ptt file) | 0.37 | SO1273 | | polyamine ABC transporter, permease protein (NCBI ptt file) | low | > 76 |
| Shewanella amazonensis SB2B | 0.53 | Sama_2735 | | hypothetical protein (RefSeq) | 0.35 | Sama_2639 | | binding-protein-dependent transport systems inner membrane component (RefSeq) | low | > 62 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.53 | Psyr_1803 | | Protein of unknown function DUF808 | 0.35 | Psyr_4861 | | Binding-protein-dependent transport systems inner membrane component | low | > 86 |
| Pseudomonas syringae pv. syringae B728a | 0.53 | Psyr_1803 | | Protein of unknown function DUF808 | 0.35 | Psyr_4861 | | Binding-protein-dependent transport systems inner membrane component | — | — |
| Pantoea sp. MT58 | 0.52 | IAI47_07925 | | DUF808 family protein | 0.37 | IAI47_13030 | | putrescine ABC transporter permease PotI | low | > 76 |
| Shewanella loihica PV-4 | 0.52 | Shew_0826 | | hypothetical protein (RefSeq) | 0.37 | Shew_0976 | | binding-protein-dependent transport systems inner membrane component (RefSeq) | low | > 60 |
| Enterobacter asburiae PDN3 | 0.52 | EX28DRAFT_0596 | | Uncharacterized protein conserved in bacteria | 0.79 | EX28DRAFT_1806 | | ABC-type spermidine/putrescine transport system, permease component II | low | > 76 |
| Pseudomonas sp. SVBP6 | 0.52 | COO64_RS25900 | | DUF808 domain-containing protein | 0.36 | COO64_RS00870 | | ABC transporter permease subunit | low | > 93 |
| Pseudomonas stutzeri RCH2 | 0.52 | Psest_1878 | | Uncharacterized protein conserved in bacteria | 0.36 | Psest_4280 | | ABC-type spermidine/putrescine transport system, permease component II | low | > 67 |
| Pseudomonas sp. BP01 | 0.52 | JOY50_RS00335 | | DUF808 domain-containing protein | 0.36 | JOY50_RS22330 | | ABC transporter permease subunit | low | > 84 |
| Enterobacter sp. TBS_079 | 0.52 | MPMX20_02954 | | Inner membrane protein YedI | 0.75 | MPMX20_01805 | | Inner membrane ABC transporter permease protein YdcV | low | > 85 |
| Hydrogenophaga sp. GW460-11-11-14-LB1 | 0.51 | GFF4569 | | Membrane protein, putative | 0.26 | GFF2032 | | Putrescine transport system permease protein PotI (TC 3.A.1.11.2) | low | > 90 |
| Pseudomonas putida KT2440 | 0.51 | PP_4294 | | conserved inner membrane protein | 0.37 | PP_5177 | | spermidine/putrescine ABC transporter - permease subunit | low | > 96 |
| Escherichia coli ECRC62 | 0.50 | BNILDI_15035 | yedI | Inner membrane protein YedI | 0.76 | BNILDI_19110 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 75 |
| Escherichia coli BW25113 | 0.50 | b1958 | yedI | conserved inner membrane protein (NCBI) | 0.76 | b1124 | potC | spermidine/putrescine ABC transporter membrane protein (NCBI) | low | > 76 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.50 | OHPLBJKB_01770 | | Inner membrane protein YedI | 0.76 | OHPLBJKB_02544 | | Inner membrane ABC transporter permease protein YdcV | low | > 74 |
| Escherichia coli ECOR38 | 0.50 | HEPCGN_03975 | yedI | Inner membrane protein YedI | 0.76 | HEPCGN_24065 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 88 |
| Escherichia coli ECRC98 | 0.50 | JDDGAC_00200 | yedI | Inner membrane protein YedI | 0.76 | JDDGAC_07090 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 87 |
| Escherichia coli ECRC100 | 0.50 | OKFHMN_25615 | yedI | Inner membrane protein YedI | 0.76 | OKFHMN_03430 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 79 |
| Escherichia coli Nissle 1917 | 0.50 | ECOLIN_RS11135 | | DUF808 domain-containing protein | 0.76 | ECOLIN_RS06475 | | spermidine/putrescine ABC transporter permease PotC | — | — |
| Escherichia fergusonii Becca | 0.50 | EFB2_01989 | | Inner membrane protein YedI | 0.76 | EFB2_02851 | | Inner membrane ABC transporter permease protein YdcV | low | > 86 |
| Escherichia coli ECRC99 | 0.50 | KEDOAH_02480 | yedI | Inner membrane protein YedI | 0.76 | KEDOAH_24325 | potC | spermidine/putrescine ABC transporter permease PotC | — | — |
| Escherichia coli ECOR27 | 0.50 | NOLOHH_16245 | yedI | Inner membrane protein YedI | 0.76 | NOLOHH_20945 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 76 |
| Escherichia coli ECRC102 | 0.50 | NIAGMN_02440 | yedI | Inner membrane protein YedI | 0.76 | NIAGMN_24400 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 80 |
| Escherichia coli ECRC101 | 0.50 | MCAODC_19780 | yedI | Inner membrane protein YedI | 0.76 | MCAODC_22790 | potC | spermidine/putrescine ABC transporter permease PotC | low | > 87 |
| Erwinia amylovora T8 | 0.50 | OLJFJH_12500 | | DUF808 domain-containing protein | 0.36 | OLJFJH_16295 | | putrescine ABC transporter permease PotI | low | > 58 |
| Variovorax sp. SCN45 | 0.50 | GFF7044 | | Inner membrane protein YedI | 0.28 | GFF5033 | | ABC-type spermidine/putrescine transport system, permease component II | low | > 127 |
| Marinobacter adhaerens HP15 | 0.49 | HP15_3200 | | membrane protein containing DUF808 | 0.56 | HP15_4064 | | spermidine/putrescine ABC transporter membrane protein | low | > 73 |
| Xanthomonas campestris pv. campestris strain 8004 | 0.49 | Xcc-8004.533.1 | | Membrane protein, putative | 0.40 | Xcc-8004.2212.1 | | Putrescine transport system permease protein PotI (TC 3.A.1.11.2) | low | > 74 |
| Klebsiella michiganensis M5al | 0.49 | BWI76_RS18405 | | hypothetical protein | 0.74 | BWI76_RS11245 | | spermidine/putrescine ABC transporter permease PotC | low | > 92 |
| Klebsiella pneumoniae MKP103 | 0.49 | KDGMDA_25670 | | DUF808 domain-containing protein | 0.75 | KDGMDA_18850 | | spermidine/putrescine ABC transporter permease PotC | low | > 95 |
| Rahnella sp. WP5 | 0.49 | EX31_RS21945 | | DUF808 domain-containing protein | 0.35 | EX31_RS09615 | | putrescine ABC transporter permease PotI | low | > 89 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.48 | GFF3999 | | Putative inner membrane protein | 0.71 | GFF3405 | | Spermidine Putrescine ABC transporter permease component potC (TC_3.A.1.11.1) | low | > 78 |
| Herbaspirillum seropedicae SmR1 | 0.47 | HSERO_RS02085 | | membrane protein | 0.25 | HSERO_RS05400 | | polyamine ABC transporter permease | low | > 78 |
| Phaeobacter inhibens DSM 17395 | 0.32 | PGA1_c17240 | | Uncharacterized protein conserved in bacteria | 0.40 | PGA1_c34450 | | putrescine transport system permease protein PotI | low | > 62 |
| Caulobacter crescentus NA1000 Δfur | 0.31 | CCNA_01502 | | conserved membrane spanning protein | 0.39 | CCNA_03236 | | spermidine/putrescine transport system permease protein potC | low | > 67 |
| Caulobacter crescentus NA1000 | 0.31 | CCNA_01502 | | conserved membrane spanning protein | 0.39 | CCNA_03236 | | spermidine/putrescine transport system permease protein potC | low | > 66 |
| Bosea sp. OAE506 | 0.30 | ABIE41_RS07790 | | DUF808 domain-containing protein | 0.41 | ABIE41_RS21635 | | ABC transporter permease subunit | low | > 77 |
| Dinoroseobacter shibae DFL-12 | 0.27 | Dshi_1739 | | protein of unknown function DUF808 (RefSeq) | 0.24 | Dshi_1598 | | binding-protein-dependent transport systems inner membrane component (RefSeq) | low | > 64 |
Not shown: 11 genomes with orthologs for CSW01_18785 only; 33 genomes with orthologs for CSW01_07150 only