| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_03050 | | cytochrome b | 1.0 | CSW01_11595 | | NCS2 family permease | 0.62 | 3 |
| Shewanella amazonensis SB2B | 0.73 | Sama_3020 | | ubiquinol-cytochrome c reductase, cytochrome b (RefSeq) | 0.71 | Sama_2517 | | xanthine/uracil permease family protein (RefSeq) | low | > 62 |
| Shewanella oneidensis MR-1 | 0.73 | SO0609 | petB | ubiquinol-cytochrome c reductase, cytochrome b (NCBI ptt file) | 0.71 | SO1120 | | xanthine/uracil permease family protein (NCBI ptt file) | low | > 76 |
| Shewanella sp. ANA-3 | 0.73 | Shewana3_0602 | | cytochrome b/b6 domain-containing protein (RefSeq) | 0.70 | Shewana3_0953 | | xanthine/uracil/vitamin C permease (RefSeq) | low | > 73 |
| Shewanella loihica PV-4 | 0.73 | Shew_0571 | | cytochrome b/b6 domain-containing protein (RefSeq) | 0.72 | Shew_2849 | | xanthine/uracil/vitamin C permease (RefSeq) | low | > 60 |
| Alteromonas macleodii MIT1002 | 0.69 | MIT1002_00815 | | Cytochrome b/c1 | 0.46 | MIT1002_01579 | | putative adenine permease PurP | low | > 70 |
| Pseudomonas fluorescens FW300-N2C3 | 0.68 | AO356_17070 | | cytochrome B | 0.66 | AO356_15605 | | guanine permease | low | > 104 |
| Pseudomonas fluorescens FW300-N2E2 | 0.68 | Pf6N2E2_5338 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.67 | Pf6N2E2_5064 | | Xanthine/uracil/thiamine/ascorbate permease family protein | low | > 103 |
| Pseudomonas sp. RS175 | 0.68 | PFR28_03605 | | Cytochrome b | 0.67 | PFR28_03808 | | Adenine permease AdeP | — | — |
| Pseudomonas aeruginosa MRSN321 | 0.68 | DY961_RS24325 | | cytochrome bc complex cytochrome b subunit | 0.67 | DY961_RS09330 | | solute carrier family 23 protein | — | — |
| Pseudomonas aeruginosa PA14 | 0.68 | IKLFDK_01940 | | cytochrome b | 0.67 | IKLFDK_30020 | | guanine permease | low | > 98 |
| Pseudomonas aeruginosa PUPa3 | 0.68 | DQ20_RS56785 | | cytochrome bc complex cytochrome b subunit | 0.67 | DQ20_RS52700 | | solute carrier family 23 protein | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.68 | Pf1N1B4_961 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.66 | Pf1N1B4_2755 | | Xanthine/uracil/thiamine/ascorbate permease family protein | low | > 87 |
| Pseudomonas fluorescens GW456-L13 | 0.68 | PfGW456L13_1635 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.66 | PfGW456L13_1431 | | Xanthine/uracil/thiamine/ascorbate permease family protein | low | > 87 |
| Pseudomonas segetis P6 | 0.68 | MPMX49_03827 | | Cytochrome b | 0.66 | MPMX49_03996 | | Adenine permease AdeQ | — | — |
| Pseudomonas sp. S08-1 | 0.67 | OH686_08385 | | Ubiquinol-cytochrome C reductase, cytochrome B subunit | 0.67 | OH686_16065 | | Xanthine/uracil/thiamine/ascorbate permease family protein | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.67 | AO353_15250 | | cytochrome B | 0.66 | AO353_13910 | | guanine permease | low | > 101 |
| Pseudomonas sp. SVBP6 | 0.67 | COO64_RS11800 | | cytochrome bc complex cytochrome b subunit | 0.66 | COO64_RS02865 | | NCS2 family permease | low | > 93 |
| Pseudomonas sp. DMC3 | 0.66 | GFF4436 | | Cytochrome b | 0.67 | GFF3939 | | Adenine permease AdeQ | low | > 89 |
| Pseudomonas fluorescens SBW25-INTG | 0.66 | PFLU_RS04200 | | cytochrome bc complex cytochrome b subunit | 0.66 | PFLU_RS26300 | | NCS2 family permease | low | > 109 |
| Pseudomonas sp. BP01 | 0.66 | JOY50_RS15210 | | cytochrome bc complex cytochrome b subunit | 0.67 | JOY50_RS27495 | | NCS2 family permease | low | > 84 |
| Pseudomonas lactucae CFBP13502 | 0.66 | GEMAOFIL_01037 | | Cytochrome b | 0.66 | GEMAOFIL_05029 | | Adenine permease AdeQ | low | > 96 |
| Pseudomonas simiae WCS417 | 0.66 | PS417_04160 | | cytochrome B | 0.66 | PS417_24380 | | guanine permease | — | — |
| Pseudomonas putida KT2440 | 0.66 | PP_1318 | | Cytochrome b | 0.67 | PP_4653 | | adenine:H+ symporter | low | > 96 |
| Pseudomonas fluorescens SBW25 | 0.66 | PFLU_RS04200 | | cytochrome bc complex cytochrome b subunit | 0.66 | PFLU_RS26300 | | NCS2 family permease | low | > 109 |
| Pseudomonas orientalis W4I3 | 0.66 | QF045_RS07160 | | cytochrome bc complex cytochrome b subunit | 0.66 | QF045_RS26675 | | NCS2 family permease | low | > 93 |
| Marinobacter adhaerens HP15 | 0.65 | HP15_546 | | ubiquinol-cytochrome c reductase, cytochrome b | 0.64 | HP15_2548 | | xanthine/uracil permease family protein | — | — |
| Pseudomonas stutzeri RCH2 | 0.65 | Psest_3278 | | Cytochrome b subunit of the bc complex | 0.65 | Psest_3450 | | Permeases | — | — |
| Paraburkholderia bryophila 376MFSha3.1 | 0.58 | H281DRAFT_05670 | | ubiquinol-cytochrome c reductase cytochrome b subunit | 0.60 | H281DRAFT_01209 | | putative MFS transporter, AGZA family, xanthine/uracil permease | — | — |
| Burkholderia phytofirmans PsJN | 0.58 | BPHYT_RS17625 | | cytochrome B | 0.59 | BPHYT_RS28070 | | adenine permease | low | > 109 |
| Paraburkholderia sabiae LMG 24235 | 0.57 | QEN71_RS27780 | | cytochrome bc complex cytochrome b subunit | 0.58 | QEN71_RS12430 | | NCS2 family permease | — | — |
| Xanthomonas campestris pv. campestris strain 8004 | 0.57 | Xcc-8004.2229.1 | | Ubiquinol--cytochrome c reductase, cytochrome B subunit (EC 1.10.2.2) | 0.45 | Xcc-8004.378.1 | | Xanthine/uracil/thiamine/ascorbate permease family protein | low | > 74 |
| Dechlorosoma suillum PS | 0.57 | Dsui_1813 | | cytochrome b subunit of the bc complex | 0.56 | Dsui_2705 | | permease | — | — |
| Lysobacter sp. OAE881 | 0.56 | ABIE51_RS15435 | | cytochrome bc complex cytochrome b subunit | 0.53 | ABIE51_RS04590 | | NCS2 family permease | low | > 62 |
| Ralstonia solanacearum IBSBF1503 | 0.56 | RALBFv3_RS06725 | | cytochrome b | 0.59 | RALBFv3_RS23270 | | NCS2 family permease | low | > 76 |
| Ralstonia solanacearum UW163 | 0.56 | UW163_RS06890 | | cytochrome b | 0.59 | UW163_RS16520 | | NCS2 family permease | — | — |
| Castellaniella sp019104865 MT123 | 0.56 | ABCV34_RS12630 | | cytochrome bc complex cytochrome b subunit | 0.55 | ABCV34_RS03015 | | NCS2 family permease | — | — |
| Herbaspirillum seropedicae SmR1 | 0.56 | HSERO_RS20240 | | cytochrome B | 0.61 | HSERO_RS16315 | | adenine permease | low | > 78 |
| Paraburkholderia graminis OAS925 | 0.56 | ABIE53_003684 | | ubiquinol-cytochrome c reductase cytochrome b subunit | 0.59 | ABIE53_005727 | | AGZA family xanthine/uracil permease-like MFS transporter | low | > 113 |
| Cupriavidus basilensis FW507-4G11 | 0.55 | RR42_RS18820 | | cytochrome B | 0.33 | RR42_RS31605 | | permease | low | > 128 |
| Ralstonia solanacearum PSI07 | 0.55 | RPSI07_RS10510 | | cytochrome b | 0.34 | RPSI07_RS20205 | | NCS2 family permease | low | > 81 |
| Ralstonia solanacearum GMI1000 | 0.55 | RS_RS14670 | | cytochrome b | 0.59 | RS_RS25155 | | NCS2 family permease | low | > 80 |
| Ralstonia sp. UNC404CL21Col | 0.54 | ABZR87_RS02380 | | cytochrome bc complex cytochrome b subunit | 0.61 | ABZR87_RS23585 | | NCS2 family permease | low | > 80 |
| Variovorax sp. SCN45 | 0.52 | GFF6695 | | Ubiquinol-cytochrome C reductase, cytochrome B subunit (EC 1.10.2.2) | 0.57 | GFF1843 | | Xanthine/uracil/thiamine/ascorbate permease family protein | low | > 127 |
| Variovorax sp. OAS795 | 0.52 | ABID97_RS22980 | | cytochrome bc complex cytochrome b subunit | 0.58 | ABID97_RS22110 | | NCS2 family permease | low | > 91 |
| Caulobacter crescentus NA1000 | 0.44 | CCNA_00506 | | cytochrome b | 0.44 | CCNA_00186 | | guanine-hypoxanthine permease | low | > 66 |
| Caulobacter crescentus NA1000 Δfur | 0.44 | CCNA_00506 | | cytochrome b | 0.44 | CCNA_00186 | | guanine-hypoxanthine permease | low | > 67 |
| Sphingobium sp. HT1-2 | 0.42 | GFF3759 | | Ubiquinol-cytochrome C reductase, cytochrome B subunit (EC 1.10.2.2) | 0.45 | GFF1142 | | Xanthine/uracil/thiamine/ascorbate permease family protein | low | > 95 |
| Xanthobacter sp. DMC5 | 0.42 | GFF62 | | Cytochrome b/c1 | 0.50 | GFF644 | | Adenine permease AdeP | — | — |
| Sinorhizobium meliloti 1021 | 0.40 | SMc00188 | | cytochrome B transmembrane protein | 0.56 | SM_b21281 | | xanthine uracil permease | low | > 103 |
| Rhizobium sp. OAE497 | 0.40 | ABIE40_RS13125 | | cytochrome b N-terminal domain-containing protein | 0.56 | ABIE40_RS25255 | | NCS2 family permease | low | > 107 |
Not shown: 18 genomes with orthologs for CSW01_03050 only; 41 genomes with orthologs for CSW01_11595 only