| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_13525 | | DNA-binding transcriptional regulator CytR | 1.0 | CSW01_08445 | | ABC transporter substrate-binding protein | 0.90 | 14 |
| Rahnella sp. WP5 | 0.70 | EX31_RS14230 | | DNA-binding transcriptional regulator CytR | 0.41 | EX31_RS15700 | | peptide ABC transporter substrate-binding protein SapA | — | — |
| Serratia liquefaciens MT49 | 0.69 | IAI46_24560 | | DNA-binding transcriptional regulator CytR | 0.40 | IAI46_13525 | | peptide ABC transporter substrate-binding protein SapA | — | — |
| Klebsiella michiganensis M5al | 0.68 | BWI76_RS00765 | | DNA-binding transcriptional regulator CytR | 0.40 | BWI76_RS12420 | | peptide ABC transporter substrate-binding protein SapA | low | > 92 |
| Enterobacter sp. TBS_079 | 0.68 | MPMX20_04535 | | HTH-type transcriptional repressor CytR | 0.40 | MPMX20_02474 | | Peptide transport periplasmic protein SapA | low | > 85 |
| Klebsiella pneumoniae MKP103 | 0.67 | KDGMDA_09275 | | DNA-binding transcriptional regulator CytR | 0.40 | KDGMDA_19885 | | peptide ABC transporter substrate-binding protein SapA | low | > 95 |
| Enterobacter asburiae PDN3 | 0.67 | EX28DRAFT_4407 | | Transcriptional regulators | 0.41 | EX28DRAFT_0974 | | ABC-type oligopeptide transport system, periplasmic component | low | > 76 |
| Escherichia coli ECOR38 | 0.67 | HEPCGN_12370 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | HEPCGN_25740 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli ECRC62 | 0.67 | BNILDI_05660 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | BNILDI_18295 | sapA | peptide ABC transporter substrate-binding protein SapA | low | > 75 |
| Escherichia coli ECOR27 | 0.67 | NOLOHH_05870 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | NOLOHH_20145 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli ECRC101 | 0.67 | MCAODC_04225 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | MCAODC_15810 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli ECRC102 | 0.67 | NIAGMN_11480 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | NIAGMN_26630 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli BW25113 | 0.67 | b3934 | cytR | DNA-binding transcriptional dual regulator (NCBI) | 0.39 | b1294 | sapA | predicted antimicrobial peptide transporter subunit (NCBI) | low | > 76 |
| Escherichia coli ECRC99 | 0.67 | KEDOAH_14435 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | KEDOAH_26315 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli Nissle 1917 | 0.67 | ECOLIN_RS22650 | | DNA-binding transcriptional regulator CytR | 0.39 | ECOLIN_RS07825 | | ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.67 | OHPLBJKB_04117 | | HTH-type transcriptional repressor CytR | 0.39 | OHPLBJKB_02388 | | Peptide transport periplasmic protein SapA | low | > 74 |
| Escherichia coli BL21 | 0.67 | ECD_03819 | | Anti-activator for CytR-CRP nucleoside utilization regulon | 0.39 | ECD_01271 | | antimicrobial peptide transport ABC transporter periplasmic binding protein | — | — |
| Escherichia coli ECRC100 | 0.67 | OKFHMN_13725 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | OKFHMN_02460 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia coli ECRC98 | 0.67 | JDDGAC_17350 | cytR | DNA-binding transcriptional regulator CytR | 0.39 | JDDGAC_05005 | sapA | peptide ABC transporter substrate-binding protein SapA | — | — |
| Escherichia fergusonii Becca | 0.67 | EFB2_04684 | | HTH-type transcriptional repressor CytR | 0.39 | EFB2_02626 | | Peptide transport periplasmic protein SapA | low | > 86 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.66 | GFF2316 | | Transcriptional (co)regulator CytR | 0.38 | GFF2688 | | Peptide transport periplasmic protein SapA | low | > 78 |
| Pantoea agglomerans CFBP13505 P0401 | 0.66 | PagCFBP13505_RS18480 | | DNA-binding transcriptional regulator CytR | 0.39 | PagCFBP13505_RS06770 | | peptide ABC transporter substrate-binding protein SapA | low | > 74 |
| Pantoea sp. MT58 | 0.66 | IAI47_00860 | | DNA-binding transcriptional regulator CytR | 0.40 | IAI47_09380 | | peptide ABC transporter substrate-binding protein SapA | low | > 76 |
| Pectobacterium carotovorum WPP14 | 0.66 | HER17_RS00865 | | DNA-binding transcriptional regulator CytR | 0.40 | HER17_RS09495 | | peptide ABC transporter substrate-binding protein SapA | low | > 75 |
| Erwinia amylovora T8 | 0.64 | OLJFJH_06075 | | DNA-binding transcriptional regulator CytR | 0.39 | OLJFJH_13660 | | peptide ABC transporter substrate-binding protein SapA | low | > 58 |
| Erwinia tracheiphila SCR3 | 0.64 | LU632_RS19660 | cytR | DNA-binding transcriptional regulator CytR | 0.38 | LU632_RS11570 | sapA | peptide ABC transporter substrate-binding protein SapA | low | > 74 |
| Erwinia tracheiphila HP pepo 2.2 | 0.64 | IJEDHG_13000 | cytR | DNA-binding transcriptional regulator CytR | 0.38 | IJEDHG_23005 | sapA | peptide ABC transporter substrate-binding protein SapA | 0.70 | 6 |
| Dickeya dadantii 3937 | 0.61 | DDA3937_RS00930 | | DNA-binding transcriptional regulator CytR | 0.39 | DDA3937_RS12440 | | peptide ABC transporter substrate-binding protein SapA | low | > 74 |
| Dickeya dianthicola 67-19 | 0.61 | HGI48_RS20445 | | DNA-binding transcriptional regulator CytR | 0.39 | HGI48_RS12505 | | peptide ABC transporter substrate-binding protein SapA | low | > 71 |
| Dickeya dianthicola ME23 | 0.61 | DZA65_RS21490 | | DNA-binding transcriptional regulator CytR | 0.39 | DZA65_RS12955 | | peptide ABC transporter substrate-binding protein SapA | low | > 75 |
| Pseudomonas sp. RS175 | 0.40 | PFR28_02584 | | HTH-type transcriptional repressor CytR | 0.32 | PFR28_00128 | | Periplasmic dipeptide transport protein | low | > 88 |
| Agrobacterium fabrum C58 | 0.40 | Atu4373 | | LacI family transcriptional regulator | 0.30 | Atu4113 | | dipeptide ABC transporter substrate-binding protein | low | > 89 |
| Pseudomonas fluorescens FW300-N2C3 | 0.40 | AO356_22285 | | LacI family transcriptional regulator | 0.31 | AO356_07255 | | peptide ABC transporter substrate-binding protein | — | — |
| Alteromonas macleodii MIT1002 | 0.39 | MIT1002_00363 | | HTH-type transcriptional repressor CytR | 0.35 | MIT1002_01141 | | Dipeptide-binding protein | low | > 70 |
| Pseudomonas fluorescens FW300-N2E2 | 0.39 | Pf6N2E2_322 | | Transcriptional regulator, LacI family | 0.31 | Pf6N2E2_3310 | | Dipeptide-binding ABC transporter, periplasmic substrate-binding component (TC 3.A.1.5.2) | low | > 103 |
| Pseudomonas sp. DMC3 | 0.38 | GFF1074 | | HTH-type transcriptional repressor CytR | 0.32 | GFF5023 | | Periplasmic dipeptide transport protein | low | > 89 |
| Sinorhizobium meliloti 1021 | 0.38 | SM_b20014 | | transcriptional regulator | 0.32 | SMc00786 | | periplasmic dipeptide-binding protein | low | > 103 |
| Pseudomonas fluorescens FW300-N1B4 | 0.38 | Pf1N1B4_4095 | | Transcriptional regulator, LacI family | 0.32 | Pf1N1B4_1121 | | Dipeptide-binding ABC transporter, periplasmic substrate-binding component (TC 3.A.1.5.2) | — | — |
| Paraburkholderia sabiae LMG 24235 | 0.36 | QEN71_RS25305 | | LacI family DNA-binding transcriptional regulator | 0.31 | QEN71_RS28705 | | ABC transporter substrate-binding protein | low | > 153 |
| Shewanella amazonensis SB2B | 0.36 | Sama_0294 | | LacI family transcription regulator (RefSeq) | 0.36 | Sama_1235 | | peptide ABC transporter, periplasmic peptide-binding protein (RefSeq) | low | > 62 |
| Burkholderia phytofirmans PsJN | 0.35 | BPHYT_RS04680 | | LacI family transcriptional regulator | 0.31 | BPHYT_RS18690 | | ABC transporter | low | > 109 |
| Paraburkholderia bryophila 376MFSha3.1 | 0.34 | H281DRAFT_00103 | | transcriptional regulator, LacI family | 0.31 | H281DRAFT_05802 | | dipeptide transport system substrate-binding protein | low | > 103 |
| Paraburkholderia graminis OAS925 | 0.33 | ABIE53_001217 | | LacI family repressor for deo operon, udp, cdd, tsx, nupC, and nupG | 0.30 | ABIE53_000595 | | dipeptide transport system substrate-binding protein | low | > 113 |
| Rhizobium sp. OAE497 | 0.33 | ABIE40_RS16795 | | LacI family DNA-binding transcriptional regulator | 0.32 | ABIE40_RS22525 | | ABC transporter substrate-binding protein | low | > 107 |
| Mucilaginibacter yixingensis YX-36 DSM 26809 | 0.27 | ABZR88_RS10530 | | LacI family DNA-binding transcriptional regulator | 0.12 | ABZR88_RS16670 | | ABC transporter substrate-binding protein | low | > 71 |
| Rhodospirillum rubrum S1H | 0.25 | Rru_A1973 | | Transcriptional Regulator, LacI family (NCBI) | 0.30 | Rru_A2356 | | extracellular solute-binding protein, family 5 (NCBI) | 0.53 | 50 |
| Bosea sp. OAE506 | 0.24 | ABIE41_RS20550 | | LacI family DNA-binding transcriptional regulator | 0.12 | ABIE41_RS23730 | | ABC transporter substrate-binding protein | low | > 77 |
| Pedobacter sp. GW460-11-11-14-LB5 | 0.22 | CA265_RS24625 | | LacI family transcriptional regulator | 0.12 | CA265_RS01030 | | ABC transporter substrate-binding protein | low | > 88 |
| Shewanella loihica PV-4 | 0.21 | Shew_1870 | | LacI family transcription regulator (RefSeq) | 0.37 | Shew_2498 | | extracellular solute-binding protein (RefSeq) | low | > 60 |
Not shown: 20 genomes with orthologs for CSW01_13525 only; 26 genomes with orthologs for CSW01_08445 only