| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Sphingobium sp. HT1-2 | 1.0 | GFF3758 | | Ubiquinol-cytochrome C reductase iron-sulfur subunit (EC 1.10.2.2) | 1.0 | GFF3759 | | Ubiquinol-cytochrome C reductase, cytochrome B subunit (EC 1.10.2.2) | 0.94 | 1 |
| Sphingomonas koreensis DSMZ 15582 | 0.69 | Ga0059261_3219 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit | 0.77 | Ga0059261_3220 | | Cytochrome b subunit of the bc complex | 0.80 | 1 |
| Rhodospirillum rubrum S1H | 0.55 | Rru_A0364 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit (NCBI) | 0.59 | Rru_A0363 | | Cytochrome b/b6-like (NCBI) | — | — |
| Azospirillum brasilense Sp245 | 0.53 | AZOBR_RS20745 | | ubiquinol-cytochrome C reductase | 0.59 | AZOBR_RS20750 | | cytochrome B | — | — |
| Azospirillum sp. SherDot2 | 0.51 | MPMX19_05012 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.60 | MPMX19_05013 | | Cytochrome b | — | — |
| Sinorhizobium meliloti 1021 | 0.46 | SMc00187 | | ubiquinol-cytochrome C reductase iron-sulfur subunit protein | 0.63 | SMc00188 | | cytochrome B transmembrane protein | 0.73 | 1 |
| Xanthobacter sp. DMC5 | 0.46 | GFF61 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.58 | GFF62 | | Cytochrome b/c1 | — | — |
| Agrobacterium fabrum C58 | 0.46 | Atu2239 | | ubiquinol-cytochrome C reductase iron-sulfur subunit | 0.62 | Atu2238 | | ubiquinol-cytochrome c reductase cytochrome b subunit | 0.79 | 1 |
| Rhizobium sp. OAE497 | 0.45 | ABIE40_RS13130 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.62 | ABIE40_RS13125 | | cytochrome b N-terminal domain-containing protein | 0.89 | 4 |
| Bosea sp. OAE506 | 0.44 | ABIE41_RS11190 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.55 | ABIE41_RS11195 | | cytochrome b/b6 | 0.75 | 1 |
| Caulobacter crescentus NA1000 Δfur | 0.43 | CCNA_00505 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.58 | CCNA_00506 | | cytochrome b | low | > 67 |
| Caulobacter crescentus NA1000 | 0.43 | CCNA_00505 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.58 | CCNA_00506 | | cytochrome b | 0.89 | 12 |
| Brevundimonas sp. GW460-12-10-14-LB2 | 0.42 | A4249_RS02560 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.56 | A4249_RS02565 | | cytochrome b N-terminal domain-containing protein | 0.68 | 1 |
| Dinoroseobacter shibae DFL-12 | 0.40 | Dshi_3278 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit (RefSeq) | 0.54 | Dshi_3277 | | Cytochrome b/b6 domain (RefSeq) | — | — |
| Phaeobacter inhibens DSM 17395 | 0.39 | PGA1_c34000 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.57 | PGA1_c33990 | | cytochrome b | — | — |
| Alteromonas macleodii MIT1002 | 0.31 | MIT1002_00814 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.40 | MIT1002_00815 | | Cytochrome b/c1 | 0.80 | 10 |
| Cupriavidus basilensis FW507-4G11 | 0.30 | RR42_RS18825 | | ubiquinol-cytochrome C reductase | 0.39 | RR42_RS18820 | | cytochrome B | 0.81 | 2 |
| Rhodanobacter denitrificans FW104-10B01 | 0.30 | LRK54_RS13765 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.40 | LRK54_RS13770 | | cytochrome bc complex cytochrome b subunit | — | — |
| Rhodanobacter sp000427505 FW510-R12 | 0.29 | LRK53_RS14835 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.37 | LRK53_RS14830 | | cytochrome bc complex cytochrome b subunit | — | — |
| Rhodanobacter denitrificans MT42 | 0.29 | LRK55_RS13480 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.40 | LRK55_RS13485 | | cytochrome bc complex cytochrome b subunit | — | — |
| Vibrio cholerae E7946 ATCC 55056 | 0.29 | CSW01_03045 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.40 | CSW01_03050 | | cytochrome b | 0.48 | 14 |
| Rhodanobacter sp. FW510-T8 | 0.29 | OKGIIK_03005 | petA | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.37 | OKGIIK_03010 | qcrB,petB | cytochrome b | — | — |
| Burkholderia phytofirmans PsJN | 0.29 | BPHYT_RS17630 | | ubiquinol-cytochrome C reductase | 0.40 | BPHYT_RS17625 | | cytochrome B | 0.95 | 1 |
| Paraburkholderia sabiae LMG 24235 | 0.29 | QEN71_RS32270 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.39 | QEN71_RS27780 | | cytochrome bc complex cytochrome b subunit | — | — |
| Kangiella aquimarina DSM 16071 | 0.28 | B158DRAFT_1672 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit | 0.40 | B158DRAFT_2101 | | Cytochrome b subunit of the bc complex | low | > 40 |
| Paraburkholderia graminis OAS925 | 0.28 | ABIE53_003685 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.39 | ABIE53_003684 | | ubiquinol-cytochrome c reductase cytochrome b subunit | 0.91 | 1 |
| Dyella japonica UNC79MFTsu3.2 | 0.28 | ABZR86_RS09880 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.38 | ABZR86_RS01575 | | cytochrome bc complex cytochrome b subunit | low | > 74 |
| Pseudomonas stutzeri RCH2 | 0.28 | Psest_3279 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit | 0.39 | Psest_3278 | | Cytochrome b subunit of the bc complex | — | — |
| Paraburkholderia bryophila 376MFSha3.1 | 0.28 | H281DRAFT_05669 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.40 | H281DRAFT_05670 | | ubiquinol-cytochrome c reductase cytochrome b subunit | — | — |
| Dechlorosoma suillum PS | 0.28 | Dsui_1812 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit | 0.42 | Dsui_1813 | | cytochrome b subunit of the bc complex | — | — |
| Pseudomonas sp. S08-1 | 0.28 | OH686_08390 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit | 0.41 | OH686_08385 | | Ubiquinol-cytochrome C reductase, cytochrome B subunit | — | — |
| Pseudomonas sp. RS175 | 0.28 | PFR28_03606 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | PFR28_03605 | | Cytochrome b | — | — |
| Pseudomonas fluorescens FW300-N2C3 | 0.28 | AO356_17065 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | AO356_17070 | | cytochrome B | 0.72 | 1 |
| Pseudomonas fluorescens FW300-N2E2 | 0.28 | Pf6N2E2_5337 | | Ubiquinol-cytochrome C reductase iron-sulfur subunit (EC 1.10.2.2) | 0.41 | Pf6N2E2_5338 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.97 | 1 |
| Shewanella sp. ANA-3 | 0.28 | Shewana3_0601 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit (RefSeq) | 0.40 | Shewana3_0602 | | cytochrome b/b6 domain-containing protein (RefSeq) | — | — |
| Shewanella amazonensis SB2B | 0.28 | Sama_3021 | | ubiquinol--cytochrome-c reductase (RefSeq) | 0.39 | Sama_3020 | | ubiquinol-cytochrome c reductase, cytochrome b (RefSeq) | 0.97 | 1 |
| Shewanella oneidensis MR-1 | 0.27 | SO0608 | petA | ubiquinol-cytochrome c reductase, iron-sulfur subunit (NCBI ptt file) | 0.39 | SO0609 | petB | ubiquinol-cytochrome c reductase, cytochrome b (NCBI ptt file) | — | — |
| Marinobacter adhaerens HP15 | 0.27 | HP15_545 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | HP15_546 | | ubiquinol-cytochrome c reductase, cytochrome b | — | — |
| Shewanella loihica PV-4 | 0.27 | Shew_0570 | | ubiquinol-cytochrome c reductase, iron-sulfur subunit (RefSeq) | 0.39 | Shew_0571 | | cytochrome b/b6 domain-containing protein (RefSeq) | 0.89 | 1 |
| Pseudomonas segetis P6 | 0.27 | ACVTMO_RS18970 | petA | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | ACVTMO_RS18965 | | cytochrome b | — | — |
| Pseudomonas fluorescens SBW25-INTG | 0.27 | PFLU_RS04195 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | PFLU_RS04200 | | cytochrome bc complex cytochrome b subunit | 0.84 | 1 |
| Pseudomonas simiae WCS417 | 0.27 | PS417_04155 | | ubiquinol-cytochrome C reductase | 0.41 | PS417_04160 | | cytochrome B | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.27 | Pf1N1B4_962 | | Ubiquinol-cytochrome C reductase iron-sulfur subunit (EC 1.10.2.2) | 0.42 | Pf1N1B4_961 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.95 | 1 |
| Pseudomonas fluorescens SBW25 | 0.27 | PFLU_RS04195 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | PFLU_RS04200 | | cytochrome bc complex cytochrome b subunit | low | > 109 |
| Variovorax sp. SCN45 | 0.27 | GFF6694 | | Ubiquinol-cytochrome C reductase iron-sulfur subunit (EC 1.10.2.2) | 0.38 | GFF6695 | | Ubiquinol-cytochrome C reductase, cytochrome B subunit (EC 1.10.2.2) | 0.68 | 2 |
| Pseudomonas sp. DMC3 | 0.27 | GFF4437 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.40 | GFF4436 | | Cytochrome b | 0.83 | 30 |
| Variovorax sp. OAS795 | 0.27 | ABID97_RS22985 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.38 | ABID97_RS22980 | | cytochrome bc complex cytochrome b subunit | 0.94 | 1 |
| Pseudomonas sp. SVBP6 | 0.27 | COO64_RS11795 | petA | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | COO64_RS11800 | | cytochrome bc complex cytochrome b subunit | 0.80 | 1 |
| Pseudomonas orientalis W4I3 | 0.27 | QF045_RS07155 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | QF045_RS07160 | | cytochrome bc complex cytochrome b subunit | low | > 93 |
| Castellaniella sp019104865 MT123 | 0.27 | ABCV34_RS12635 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.39 | ABCV34_RS12630 | | cytochrome bc complex cytochrome b subunit | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.26 | AO353_15245 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | AO353_15250 | | cytochrome B | — | — |
| Pseudomonas lactucae CFBP13502 | 0.26 | GEMAOFIL_01036 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | GEMAOFIL_01037 | | Cytochrome b | — | — |
| Lysobacter sp. OAE881 | 0.26 | ABIE51_RS15440 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | ABIE51_RS15435 | | cytochrome bc complex cytochrome b subunit | 0.96 | 1 |
| Hydrogenophaga sp. GW460-11-11-14-LB1 | 0.26 | GFF1295 | | Ubiquinol-cytochrome C reductase iron-sulfur subunit (EC 1.10.2.2) | 0.40 | GFF1294 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | — | — |
| Pseudomonas putida KT2440 | 0.26 | PP_1317 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | PP_1318 | | Cytochrome b | 0.77 | 1 |
| Pseudomonas sp. BP01 | 0.26 | JOY50_RS15215 | petA | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.41 | JOY50_RS15210 | | cytochrome bc complex cytochrome b subunit | 0.71 | 9 |
| Methylophilus sp. DMC18 | 0.26 | GFF1577 | | Ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.38 | GFF1578 | | Cytochrome b/c1 | — | — |
| Pseudomonas aeruginosa PUPa3 | 0.25 | DQ20_RS56780 | petA;go_component=respiratory | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | DQ20_RS56785 | | cytochrome bc complex cytochrome b subunit | — | — |
| Pseudomonas aeruginosa PA14 | 0.25 | IKLFDK_01935 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | IKLFDK_01940 | | cytochrome b | 0.96 | 1 |
| Pseudomonas aeruginosa MRSN321 | 0.25 | DY961_RS24320 | petA;go_component=respiratory | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.42 | DY961_RS24325 | | cytochrome bc complex cytochrome b subunit | — | — |
| Ralstonia solanacearum PSI07 | 0.25 | RPSI07_RS10505 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.38 | RPSI07_RS10510 | | cytochrome b | — | — |
| Ralstonia solanacearum UW163 | 0.25 | UW163_RS06885 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.39 | UW163_RS06890 | | cytochrome b | — | — |
| Ralstonia solanacearum IBSBF1503 | 0.25 | RALBFv3_RS06730 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.39 | RALBFv3_RS06725 | | cytochrome b | — | — |
| Ralstonia solanacearum GMI1000 | 0.25 | RS_RS14675 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.38 | RS_RS14670 | | cytochrome b | 0.94 | 1 |
| Herbaspirillum seropedicae SmR1 | 0.24 | HSERO_RS20245 | | ubiquinol-cytochrome C reductase | 0.39 | HSERO_RS20240 | | cytochrome B | — | — |
| Xanthomonas campestris pv. campestris strain 8004 | 0.24 | Xcc-8004.2228.1 | | Ubiquinol-cytochrome C reductase iron-sulfur subunit (EC 1.10.2.2) | 0.41 | Xcc-8004.2229.1 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.76 | 1 |
| Ralstonia sp. UNC404CL21Col | 0.24 | ABZR87_RS02385 | | ubiquinol-cytochrome c reductase iron-sulfur subunit | 0.38 | ABZR87_RS02380 | | cytochrome bc complex cytochrome b subunit | 0.90 | 2 |
Not shown: 4 genomes with orthologs for GFF3758 only; 2 genomes with orthologs for GFF3759 only