| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_07195 | | cytochrome biogenesis protein | 1.0 | CSW01_00180 | | cytochrome c oxidase accessory protein CcoG | 0.54 | 8 |
| Shewanella sp. ANA-3 | 0.46 | Shewana3_2114 | | hypothetical protein (RefSeq) | 0.61 | Shewana3_4121 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | 0.87 | 7 |
| Shewanella oneidensis MR-1 | 0.45 | SO2357 | | conserved hypothetical protein (NCBI ptt file) | 0.62 | SO4737 | | iron-sulfur cluster-binding protein (NCBI ptt file) | 0.89 | 4 |
| Shewanella loihica PV-4 | 0.42 | Shew_1992 | | hypothetical protein (RefSeq) | 0.58 | Shew_3812 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | 0.39 | 35 |
| Shewanella amazonensis SB2B | 0.37 | Sama_1798 | | hypothetical protein (RefSeq) | 0.58 | Sama_3633 | | iron-sulfur cluster-binding protein (RefSeq) | 0.89 | 12 |
| Alteromonas macleodii MIT1002 | 0.35 | MIT1002_02136 | | hypothetical protein | 0.55 | MIT1002_00719 | | cytochrome c oxidase accessory protein CcoG | low | > 70 |
| Marinobacter adhaerens HP15 | 0.32 | HP15_2115 | | conserved hypothetical protein, membrane | 0.48 | HP15_2111 | | iron-sulfur cluster-binding protein | — | — |
| Pseudomonas sp. S08-1 | 0.32 | OH686_02230 | | Heavy-metal-associated domain (N-terminus) and membrane-bounded cytochrome biogenesis cycZ-like domain, putative membrane copper tolerance protein | 0.51 | OH686_02210 | | cytochrome c oxidase accessory protein CcoG | — | — |
| Kangiella aquimarina DSM 16071 | 0.31 | B158DRAFT_1974 | | Uncharacterized conserved protein | 0.45 | B158DRAFT_1970 | | cytochrome c oxidase accessory protein FixG | 0.95 | 4 |
| Pseudomonas segetis P6 | 0.30 | MPMX49_02306 | | hypothetical protein | 0.50 | MPMX49_02310 | | hypothetical protein | — | — |
| Dechlorosoma suillum PS | 0.28 | Dsui_1648 | | hypothetical protein | 0.39 | Dsui_0928 | | cytochrome c oxidase accessory protein FixG | — | — |
| Pseudomonas aeruginosa PA14 | 0.28 | IKLFDK_07390 | | cytochrome biogenesis protein | 0.50 | IKLFDK_07410 | | cytochrome c oxidase accessory protein CcoG | 0.75 | 11 |
| Pseudomonas aeruginosa PUPa3 | 0.28 | DQ20_RS53490 | | sulfite exporter TauE/SafE family protein | 0.50 | DQ20_RS53510 | ccoG;go_function=molecular_function|0003674||IEA;go_process=respiratory | cytochrome c oxidase accessory protein CcoG | — | — |
| Pseudomonas aeruginosa MRSN321 | 0.28 | DY961_RS19360 | | sulfite exporter TauE/SafE family protein | 0.50 | DY961_RS19380 | ccoG;go_function=molecular_function|0003674||IEA;go_process=respiratory | cytochrome c oxidase accessory protein CcoG | — | — |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.28 | Psyr_3422 | | membrane protein, putative | 0.48 | Psyr_3419 | | 4Fe-4S ferredoxin, iron-sulfur binding protein | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.28 | Psyr_3422 | | membrane protein, putative | 0.48 | Psyr_3419 | | 4Fe-4S ferredoxin, iron-sulfur binding protein | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.27 | AO353_00650 | | cytochrome biogenesis protein | 0.50 | AO353_00630 | | (Fe-S)-binding protein | 0.52 | 8 |
| Pseudomonas fluorescens FW300-N1B4 | 0.27 | Pf1N1B4_3869 | | Heavy-metal-associated domain (N-terminus) and membrane-bounded cytochrome biogenesis cycZ-like domain, possible membrane copper tolerance protein | 0.48 | Pf1N1B4_4673 | | 4Fe-4S ferredoxin, iron-sulfur binding | low | > 87 |
| Pseudomonas sp. DMC3 | 0.27 | GFF714 | | hypothetical protein | 0.51 | GFF718 | | hypothetical protein | low | > 89 |
| Pseudomonas fluorescens FW300-N2C3 | 0.27 | AO356_02475 | | cytochrome biogenesis protein | 0.50 | AO356_02455 | | (Fe-S)-binding protein | — | — |
| Pseudomonas orientalis W4I3 | 0.27 | QF045_RS22575 | | sulfite exporter TauE/SafE family protein | 0.50 | QF045_RS22555 | | cytochrome c oxidase accessory protein CcoG | low | > 93 |
| Pseudomonas lactucae CFBP13502 | 0.27 | GEMAOFIL_04299 | | hypothetical protein | 0.50 | GEMAOFIL_04295 | | hypothetical protein | — | — |
| Pseudomonas fluorescens FW300-N2E2 | 0.27 | Pf6N2E2_2320 | | Heavy-metal-associated domain (N-terminus) and membrane-bounded cytochrome biogenesis cycZ-like domain, possible membrane copper tolerance protein | 0.50 | Pf6N2E2_2316 | | Type cbb3 cytochrome oxidase biogenesis protein CcoG, involved in Cu oxidation | 0.85 | 3 |
| Pseudomonas fluorescens GW456-L13 | 0.27 | PfGW456L13_4069 | | Heavy-metal-associated domain (N-terminus) and membrane-bounded cytochrome biogenesis cycZ-like domain, possible membrane copper tolerance protein | 0.50 | PfGW456L13_4065 | | Type cbb3 cytochrome oxidase biogenesis protein CcoG, involved in Cu oxidation | 0.82 | 8 |
| Pseudomonas stutzeri RCH2 | 0.26 | Psest_2535 | | Uncharacterized conserved protein | 0.50 | Psest_2531 | | cytochrome c oxidase accessory protein FixG | — | — |
| Pseudomonas sp. RS175 | 0.26 | PFR28_01081 | | hypothetical protein | 0.50 | PFR28_01085 | | hypothetical protein | 0.36 | 29 |
| Pseudomonas simiae WCS417 | 0.25 | PS417_20770 | | cytochrome biogenesis protein | 0.50 | PS417_20750 | | (Fe-S)-binding protein | — | — |
| Pseudomonas fluorescens SBW25 | 0.25 | PFLU_RS22380 | | sulfite exporter TauE/SafE family protein | 0.50 | PFLU_RS22360 | | cytochrome c oxidase accessory protein CcoG | 0.73 | 1 |
| Pseudomonas fluorescens SBW25-INTG | 0.25 | PFLU_RS22380 | | sulfite exporter TauE/SafE family protein | 0.50 | PFLU_RS22360 | | cytochrome c oxidase accessory protein CcoG | 0.56 | 9 |
| Pseudomonas sp. SVBP6 | 0.24 | COO64_RS18650 | | sulfite exporter TauE/SafE family protein | 0.50 | COO64_RS18670 | ccoG | cytochrome c oxidase accessory protein CcoG | 0.57 | 24 |
| Pseudomonas sp. BP01 | 0.24 | JOY50_RS00115 | | sulfite exporter TauE/SafE family protein | 0.49 | JOY50_RS00095 | ccoG | cytochrome c oxidase accessory protein CcoG | 0.61 | 18 |
| Herbaspirillum seropedicae SmR1 | 0.23 | HSERO_RS16070 | | cytochrome biogenesis protein | 0.39 | HSERO_RS16035 | | cytochrome C oxidase | 0.53 | 4 |
| Pseudomonas putida KT2440 | 0.22 | PP_4263 | | putative membrane-bounded cytochrome biogenesis cycZ-like domain, copper tolerance protein | 0.49 | PP_4259 | | Iron-sulfur cluster-binding protein | 0.33 | 6 |
| Lysobacter sp. OAE881 | 0.21 | ABIE51_RS03810 | | sulfite exporter TauE/SafE family protein | 0.38 | ABIE51_RS03830 | | 4Fe-4S dicluster domain-containing protein | 0.51 | 8 |
| Azospirillum sp. SherDot2 | 0.16 | MPMX19_02424 | | hypothetical protein | 0.33 | MPMX19_03645 | | hypothetical protein | low | > 112 |
| Pedobacter sp. GW460-11-11-14-LB5 | 0.14 | CA265_RS01400 | | hypothetical protein | 0.25 | CA265_RS01390 | | cytochrome c oxidase accessory protein CcoG | low | > 88 |
| Cupriavidus basilensis FW507-4G11 | 0.12 | RR42_RS12870 | | membrane protein | 0.38 | RR42_RS12890 | | cytochrome C oxidase | low | > 128 |
Not shown: 2 genomes with orthologs for CSW01_07195 only; 26 genomes with orthologs for CSW01_00180 only