| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Pseudomonas syringae pv. syringae B728a | 1.0 | Psyr_2448 | | Response regulator receiver:ATP-binding region, ATPase-like:Histidine kinase A, N-terminal | 1.0 | Psyr_1105 | | TonB-dependent hemoglobin/transferrin/lactoferrin receptor:TonB-dependent heme/hemoglobin receptor | 0.39 | 9 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 1.00 | Psyr_2448 | | Response regulator receiver:ATP-binding region, ATPase-like:Histidine kinase A, N-terminal | 1.00 | Psyr_1105 | | TonB-dependent hemoglobin/transferrin/lactoferrin receptor:TonB-dependent heme/hemoglobin receptor | low | > 86 |
| Pseudomonas simiae WCS417 | 0.83 | PS417_13890 | | histidine kinase | 0.69 | PS417_22710 | | TonB-dependent receptor | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.82 | AO353_23925 | | histidine kinase | 0.72 | AO353_03445 | | TonB-dependent receptor | low | > 101 |
| Pseudomonas orientalis W4I3 | 0.82 | QF045_RS16055 | | hybrid sensor histidine kinase/response regulator | 0.69 | QF045_RS24880 | | TonB-dependent receptor | low | > 93 |
| Pseudomonas fluorescens SBW25 | 0.82 | PFLU_RS14725 | | hybrid sensor histidine kinase/response regulator | 0.66 | PFLU_RS24350 | | TonB-dependent receptor | low | > 109 |
| Pseudomonas fluorescens SBW25-INTG | 0.82 | PFLU_RS14725 | | hybrid sensor histidine kinase/response regulator | 0.66 | PFLU_RS24350 | | TonB-dependent receptor | low | > 109 |
| Pseudomonas fluorescens FW300-N1B4 | 0.82 | Pf1N1B4_4858 | | Chemotaxis regulator - transmits chemoreceptor signals to flagelllar motor components CheY | 0.74 | Pf1N1B4_607 | | TonB-dependent hemin , ferrichrome receptor | low | > 87 |
| Pseudomonas lactucae CFBP13502 | 0.81 | GEMAOFIL_02959 | | Sensor histidine kinase RcsC | 0.69 | GEMAOFIL_04696 | | Vitamin B12 transporter BtuB | low | > 96 |
| Pseudomonas fluorescens GW456-L13 | 0.81 | PfGW456L13_3051 | | Chemotaxis regulator - transmits chemoreceptor signals to flagelllar motor components CheY | 0.72 | PfGW456L13_1884 | | TonB-dependent hemin , ferrichrome receptor | low | > 87 |
| Pseudomonas sp. DMC3 | 0.80 | GFF2887 | | Sensor histidine kinase RcsC | 0.72 | GFF5156 | | Vitamin B12 transporter BtuB | low | > 89 |
| Pseudomonas fluorescens FW300-N2C3 | 0.75 | AO356_27635 | | histidine kinase | 0.72 | AO356_05240 | | TonB-dependent receptor | low | > 104 |
| Pseudomonas sp. RS175 | 0.75 | PFR28_01722 | | Sensor histidine kinase RcsC | 0.72 | PFR28_00557 | | Transferrin-binding protein 1 | low | > 88 |
| Pseudomonas sp. SVBP6 | 0.74 | COO64_RS14370 | | hybrid sensor histidine kinase/response regulator | 0.69 | COO64_RS04515 | | TonB-dependent receptor | low | > 93 |
| Pseudomonas fluorescens FW300-N2E2 | 0.74 | Pf6N2E2_818 | | Chemotaxis regulator - transmits chemoreceptor signals to flagelllar motor components CheY | 0.72 | Pf6N2E2_2902 | | TonB-dependent hemin , ferrichrome receptor | low | > 103 |
| Pseudomonas sp. BP01 | 0.72 | JOY50_RS04935 | | hybrid sensor histidine kinase/response regulator | 0.68 | JOY50_RS11370 | | TonB-dependent receptor | low | > 84 |
| Pseudomonas putida KT2440 | 0.71 | PP_3758 | | Response regulator/sensor histidine kinase | 0.68 | PP_1006 | | putative outer membrane heme receptor | low | > 96 |
| Variovorax sp. SCN45 | 0.59 | GFF170 | | Two-component system sensor histidine kinase/response regulator hybrid | 0.19 | GFF2824 | | TonB-dependent hemin, ferrichrome receptor | low | > 127 |
| Xanthomonas campestris pv. campestris strain 8004 | 0.33 | Xcc-8004.3787.1 | | Chemotaxis regulator - transmits chemoreceptor signals to flagelllar motor components CheY | 0.20 | Xcc-8004.4297.1 | | Outer membrane hemin receptor | low | > 74 |
| Sphingomonas koreensis DSMZ 15582 | 0.31 | Ga0059261_1238 | | His Kinase A (phospho-acceptor) domain/Response regulator receiver domain/Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase | 0.19 | Ga0059261_1297 | | TonB-dependent heme/hemoglobin receptor family protein/TonB-dependent hemoglobin/transferrin/lactoferrin receptor family protein | low | > 68 |
| Sphingobium sp. HT1-2 | 0.29 | GFF4510 | | hypothetical protein | 0.08 | GFF2605 | | TonB-dependent hemin, ferrichrome receptor | 0.57 | 71 |
| Herbaspirillum seropedicae SmR1 | 0.28 | HSERO_RS16915 | | chemotaxis protein CheY | 0.15 | HSERO_RS00535 | | TonB-dependent receptor | low | > 78 |
Not shown: 15 genomes with orthologs for Psyr_2448 only; 42 genomes with orthologs for Psyr_1105 only