| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_10280 | | heme exporter protein C | 1.0 | CSW01_03205 | | iron ABC transporter substrate-binding protein | 0.92 | 2 |
| Shewanella sp. ANA-3 | 0.67 | Shewana3_0229 | | heme exporter protein CcmC (RefSeq) | 0.64 | Shewana3_3517 | | extracellular solute-binding protein (RefSeq) | — | — |
| Shewanella oneidensis MR-1 | 0.66 | SO0261 | ccmC | heme exporter protein CcmC (NCBI ptt file) | 0.64 | SO0744 | | iron(III) ABC transporter, periplasmic iron(III)-binding protein (NCBI ptt file) | low | > 76 |
| Rahnella sp. WP5 | 0.66 | EX31_RS19760 | | heme ABC transporter permease | 0.43 | EX31_RS17570 | | extracellular solute-binding protein | low | > 89 |
| Shewanella amazonensis SB2B | 0.64 | Sama_0243 | | heme exporter protein CcmC (RefSeq) | 0.67 | Sama_0666 | | iron(III) ABC transporter, periplasmic iron(III)-binding protein (RefSeq) | low | > 62 |
| Shewanella loihica PV-4 | 0.64 | Shew_0188 | | heme exporter protein CcmC (RefSeq) | 0.66 | Shew_0861 | | extracellular solute-binding protein (RefSeq) | — | — |
| Serratia liquefaciens MT49 | 0.61 | IAI46_18100 | | heme ABC transporter permease | 0.13 | IAI46_13015 | | iron ABC transporter substrate-binding protein | low | > 87 |
| Pectobacterium carotovorum WPP14 | 0.59 | HER17_RS09040 | | heme ABC transporter permease | 0.43 | HER17_RS14365 | | Fe(3+) ABC transporter substrate-binding protein | low | > 75 |
| Pseudomonas sp. SVBP6 | 0.57 | COO64_RS25700 | | heme ABC transporter permease | 0.34 | COO64_RS00970 | | extracellular solute-binding protein | — | — |
| Pseudomonas sp. DMC3 | 0.56 | GFF2487 | | Heme exporter protein C | 0.31 | GFF312 | | putative binding protein component of ABC iron transporter | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.55 | Pf1N1B4_3641 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | 0.32 | Pf1N1B4_2232 | | Ferric iron ABC transporter, iron-binding protein | — | — |
| Pseudomonas aeruginosa PUPa3 | 0.55 | DQ20_RS47265 | | heme ABC transporter permease | 0.32 | DQ20_RS50160 | | extracellular solute-binding protein | — | — |
| Pseudomonas aeruginosa PA14 | 0.55 | IKLFDK_07025 | | Heme exporter protein C | 0.32 | IKLFDK_27385 | | putative binding protein component of ABC iron transporter PA5217 | — | — |
| Pseudomonas fluorescens FW300-N2E2 | 0.55 | Pf6N2E2_2558 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | 0.32 | Pf6N2E2_4483 | | Ferric iron ABC transporter, iron-binding protein | — | — |
| Pseudomonas aeruginosa MRSN321 | 0.55 | DY961_RS05525 | | heme ABC transporter permease | 0.32 | DY961_RS11955 | | extracellular solute-binding protein | — | — |
| Pseudomonas fluorescens GW456-L13 | 0.55 | PfGW456L13_4314 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | 0.32 | PfGW456L13_900 | | Ferric iron ABC transporter, iron-binding protein | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.55 | AO353_18860 | | heme ABC transporter permease | 0.31 | AO353_08745 | | iron ABC transporter substrate-binding protein | — | — |
| Pseudomonas stutzeri RCH2 | 0.55 | Psest_1756 | | heme exporter protein CcmC | 0.34 | Psest_0179 | | ABC-type Fe3+ transport system, periplasmic component | — | — |
| Pseudomonas simiae WCS417 | 0.55 | PS417_08700 | | heme ABC transporter permease | 0.32 | PS417_27265 | | iron ABC transporter substrate-binding protein | — | — |
| Pseudomonas fluorescens FW300-N2C3 | 0.55 | AO356_03650 | | heme ABC transporter permease | 0.32 | AO356_13025 | | iron ABC transporter substrate-binding protein | — | — |
| Pseudomonas lactucae CFBP13502 | 0.55 | GEMAOFIL_01872 | | Heme exporter protein C | 0.32 | GEMAOFIL_05591 | | putative binding protein component of ABC iron transporter | — | — |
| Pseudomonas fluorescens SBW25 | 0.54 | PFLU_RS08655 | | heme ABC transporter permease | 0.32 | PFLU_RS28925 | | extracellular solute-binding protein | low | > 109 |
| Pseudomonas orientalis W4I3 | 0.54 | QF045_RS11415 | | heme ABC transporter permease | 0.32 | QF045_RS01635 | | extracellular solute-binding protein | low | > 93 |
| Pseudomonas sp. RS175 | 0.54 | PFR28_00867 | | Heme exporter protein C | 0.32 | PFR28_04318 | | putative binding protein component of ABC iron transporter | — | — |
| Pseudomonas fluorescens SBW25-INTG | 0.54 | PFLU_RS08655 | | heme ABC transporter permease | 0.32 | PFLU_RS28925 | | extracellular solute-binding protein | low | > 109 |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.54 | Psyr_3391 | | Cytochrome c-type biogenesis protein CcmC | 0.31 | Psyr_0244 | | extracellular solute-binding protein, family 1 | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.54 | Psyr_3391 | | Cytochrome c-type biogenesis protein CcmC | 0.31 | Psyr_0244 | | extracellular solute-binding protein, family 1 | — | — |
| Pseudomonas putida KT2440 | 0.53 | PP_4325 | | protoheme IX reservoir complex subunit | 0.33 | PP_5196 | | putative iron(III)|iron ABC transporter, periplasmic iron-binding protein | — | — |
| Pseudomonas sp. BP01 | 0.52 | JOY50_RS00495 | | heme ABC transporter permease | 0.32 | JOY50_RS22425 | | extracellular solute-binding protein | — | — |
| Pseudomonas sp. S08-1 | 0.50 | OH686_02650 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | 0.32 | OH686_11185 | | Ferric iron ABC transporter, iron-binding protein | — | — |
| Dechlorosoma suillum PS | 0.50 | Dsui_1169 | | heme exporter protein CcmC | 0.36 | Dsui_2928 | | ABC-type Fe3+ transport system, periplasmic component | — | — |
| Pseudomonas segetis P6 | 0.49 | MPMX49_03110 | | Heme exporter protein C | 0.32 | MPMX49_04483 | | putative binding protein component of ABC iron transporter | — | — |
| Azospirillum brasilense Sp245 | 0.48 | AZOBR_RS00725 | | heme ABC transporter (exporter) permease component | 0.35 | AZOBR_RS03165 | | iron deficiency-induced protein A | — | — |
| Azospirillum sp. SherDot2 | 0.47 | MPMX19_02530 | | Heme exporter protein C | 0.34 | MPMX19_01386 | | Iron deficiency-induced protein A | — | — |
| Sinorhizobium meliloti 1021 | 0.45 | SMc03849 | | heme exporter C (cytochrome C-type biogenesis protein) transmembrane | 0.52 | SMc00784 | | iron binding protein | low | > 103 |
| Kangiella aquimarina DSM 16071 | 0.45 | B158DRAFT_1325 | | heme exporter protein CcmC | 0.31 | B158DRAFT_0540 | | ABC-type Fe3+ transport system, periplasmic component | — | — |
| Agrobacterium fabrum C58 | 0.44 | Atu2688 | | ABC transporter, membrane spanning protein (heme) | 0.49 | Atu0202 | | ABC transporter, substrate binding protein (iron) | — | — |
| Marinobacter adhaerens HP15 | 0.44 | HP15_2284 | | heme exporter protein CcmC | 0.53 | HP15_1456 | | extracellular solute-binding protein, family 1 | — | — |
| Rhodospirillum rubrum S1H | 0.43 | Rru_A0038 | | Cytochrome c-type biogenesis protein CcmC (NCBI) | 0.55 | Rru_A0769 | | extracellular solute-binding protein, family 1 (NCBI) | — | — |
| Rhizobium sp. OAE497 | 0.42 | ABIE40_RS18290 | | heme ABC transporter permease | 0.45 | ABIE40_RS21710 | | extracellular solute-binding protein | low | > 107 |
| Bosea sp. OAE506 | 0.42 | ABIE41_RS04985 | | heme ABC transporter permease | 0.43 | ABIE41_RS15170 | | extracellular solute-binding protein | — | — |
| Rhodopseudomonas palustris CGA009 | 0.40 | TX73_001060 | | heme ABC transporter permease | 0.47 | TX73_021525 | | Fe(3+) ABC transporter substrate-binding protein | — | — |
| Xanthobacter sp. DMC5 | 0.39 | GFF971 | | Heme exporter protein C | 0.43 | GFF361 | | Iron uptake protein A2 | — | — |
| Dinoroseobacter shibae DFL-12 | 0.34 | Dshi_1853 | | heme exporter protein CcmC (RefSeq) | 0.31 | Dshi_2021 | | extracellular solute-binding protein family 1 (RefSeq) | — | — |
| Phaeobacter inhibens DSM 17395 | 0.34 | PGA1_c18870 | | heme exporter protein C | 0.33 | PGA1_c32510 | | iron uptake protein FutA | — | — |
Not shown: 33 genomes with orthologs for CSW01_10280 only; 18 genomes with orthologs for CSW01_03205 only