| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_10290 | | cytochrome c biogenesis ATP-binding export protein CcmA | 1.0 | CSW01_16835 | | catabolite repressor/activator | 0.80 | 14 |
| Serratia liquefaciens MT49 | 0.60 | IAI46_18110 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.42 | IAI46_03385 | | catabolite repressor/activator | low | > 87 |
| Rahnella sp. WP5 | 0.60 | EX31_RS19770 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.42 | EX31_RS03655 | | catabolite repressor/activator | low | > 89 |
| Pantoea sp. MT58 | 0.56 | IAI47_06065 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | IAI47_15980 | | catabolite repressor/activator | low | > 76 |
| Pantoea agglomerans CFBP13505 P0401 | 0.56 | PagCFBP13516_RS06255 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | PagCFBP13516_RS16290 | cra | catabolite repressor/activator | low | > 80 |
| Pectobacterium carotovorum WPP14 | 0.53 | HER17_RS09030 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | HER17_RS03105 | | catabolite repressor/activator | low | > 75 |
| Escherichia coli ECRC98 | 0.50 | JDDGAC_27240 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | JDDGAC_14280 | cra | catabolite repressor/activator | low | > 87 |
| Escherichia coli ECRC100 | 0.50 | OKFHMN_23280 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | OKFHMN_10685 | cra | catabolite repressor/activator | low | > 79 |
| Escherichia coli ECRC102 | 0.50 | NIAGMN_21045 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | NIAGMN_08535 | cra | catabolite repressor/activator | low | > 80 |
| Escherichia coli ECRC101 | 0.50 | MCAODC_14330 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | MCAODC_01200 | cra | catabolite repressor/activator | low | > 87 |
| Escherichia coli ECRC99 | 0.50 | KEDOAH_04905 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | KEDOAH_17470 | cra | catabolite repressor/activator | — | — |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.50 | OHPLBJKB_01510 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.42 | OHPLBJKB_03579 | | Catabolite repressor/activator | low | > 74 |
| Escherichia coli ECOR27 | 0.50 | NOLOHH_14855 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | NOLOHH_03030 | cra | catabolite repressor/activator | low | > 75 |
| Escherichia coli ECRC62 | 0.50 | BNILDI_13775 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | BNILDI_08580 | cra | catabolite repressor/activator | low | > 75 |
| Escherichia coli BL21 | 0.50 | ECD_02128 | | heme export ABC transporter ATPase | 0.42 | ECD_00081 | | transcriptional repressor-activator for carbon metabolism | low | > 61 |
| Escherichia coli BW25113 | 0.50 | b2201 | ccmA | ATP binding protein of heme exporter A (VIMSS) | 0.42 | b0080 | fruR | DNA-binding transcriptional dual regulator (NCBI) | low | > 76 |
| Escherichia coli Nissle 1917 | 0.50 | ECOLIN_RS12860 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.42 | ECOLIN_RS00430 | | catabolite repressor/activator | — | — |
| Escherichia fergusonii Becca | 0.50 | EFB2_01655 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.42 | EFB2_03967 | | Catabolite repressor/activator | low | > 86 |
| Escherichia coli ECOR38 | 0.50 | HEPCGN_22545 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | HEPCGN_08665 | cra | catabolite repressor/activator | low | > 88 |
| Klebsiella pneumoniae MRSN742743 | 0.48 | GJGHJB_02099 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | GJGHJB_04201 | cra | catabolite repressor/activator | — | — |
| Klebsiella pneumoniae MKP103 | 0.47 | KDGMDA_23870 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | KDGMDA_12935 | | catabolite repressor/activator | low | > 94 |
| Pseudomonas sp. BP01 | 0.45 | JOY50_RS00505 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.41 | JOY50_RS19320 | cra | catabolite repressor/activator | — | — |
| Pseudomonas stutzeri RCH2 | 0.45 | Psest_1754 | | heme ABC exporter, ATP-binding protein CcmA | 0.45 | Psest_3356 | | D-fructose-responsive transcription factor | — | — |
| Pseudomonas putida KT2440 | 0.45 | PP_4327 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.41 | PP_0792 | | catabolite repressor-activator, DNA-binding transcriptional dual regulator | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.44 | AO353_18850 | | cytochrome C biogenesis protein CcmA | 0.45 | AO353_05490 | | transcriptional regulator | — | — |
| Pseudomonas aeruginosa PA14 | 0.44 | IKLFDK_07015 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.44 | IKLFDK_18185 | | catabolite repressor/activator | — | — |
| Pseudomonas orientalis W4I3 | 0.44 | QF045_RS11405 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.43 | QF045_RS06935 | | catabolite repressor/activator | — | — |
| Pseudomonas fluorescens FW300-N2C3 | 0.44 | AO356_03660 | | cytochrome C biogenesis protein CcmA | 0.45 | AO356_07340 | | transcriptional regulator | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.44 | Pf1N1B4_3639 | | ABC transporter involved in cytochrome c biogenesis, ATPase component CcmA | 0.45 | Pf1N1B4_1147 | | Fructose repressor FruR, LacI family | — | — |
| Pseudomonas aeruginosa MRSN321 | 0.44 | PFGADD_03752 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.44 | PFGADD_01408 | cra | catabolite repressor/activator | — | — |
| Pseudomonas sp. FW215-L2 | 0.44 | GFF1878 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.44 | GFF1441 | | Catabolite repressor/activator | 0.22 | 59 |
| Pseudomonas simiae WCS417 | 0.44 | PS417_08690 | | cytochrome C biogenesis protein CcmA | 0.43 | PS417_03960 | | transcriptional regulator | — | — |
| Pseudomonas aeruginosa PUPa3 | 0.44 | NPBIFN_03793 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.44 | NPBIFN_01429 | cra | catabolite repressor/activator | — | — |
| Pseudomonas fluorescens SBW25 | 0.44 | PFLU_RS08645 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.43 | PFLU_RS04005 | | catabolite repressor/activator | — | — |
| Pseudomonas fluorescens GW456-L13 | 0.44 | PfGW456L13_4316 | | ABC transporter involved in cytochrome c biogenesis, ATPase component CcmA | 0.42 | PfGW456L13_5077 | | Fructose repressor FruR, LacI family | — | — |
| Pseudomonas fluorescens SBW25-INTG | 0.44 | PFLU_RS08645 | | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.43 | PFLU_RS04005 | | catabolite repressor/activator | — | — |
| Pseudomonas sp. DMC3 | 0.43 | GFF2485 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.44 | GFF5002 | | Catabolite repressor/activator | — | — |
| Pseudomonas lactucae CFBP13502 | 0.43 | GEMAOFIL_01870 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.39 | GEMAOFIL_00996 | | Catabolite repressor/activator | — | — |
| Pseudomonas sp. SVBP6 | 0.43 | COO64_RS25690 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.45 | COO64_RS11270 | cra | catabolite repressor/activator | — | — |
| Pseudomonas sp. RS175 | 0.42 | PFR28_00865 | | Cytochrome c biogenesis ATP-binding export protein CcmA | 0.45 | PFR28_00104 | | Catabolite repressor/activator | — | — |
| Pseudomonas protegens RBAN4 | 0.42 | FABNJH_08725 | ccmA | cytochrome c biogenesis heme-transporting ATPase CcmA | 0.45 | FABNJH_04460 | cra | catabolite repressor/activator | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.41 | Psyr_3393 | | Heme exporter protein CcmA | 0.46 | Psyr_0820 | | transcriptional regulator, LacI family | — | — |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.41 | Psyr_3393 | | Heme exporter protein CcmA | 0.46 | Psyr_0820 | | transcriptional regulator, LacI family | — | — |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.41 | GFF4882 | | ABC transporter involved in cytochrome c biogenesis, ATPase component CcmA | 0.41 | GFF158 | | Fructose repressor FruR, LacI family | — | — |
| Pseudomonas fluorescens FW300-N2E2 | 0.40 | Pf6N2E2_2560 | | ABC transporter involved in cytochrome c biogenesis, ATPase component CcmA | 0.45 | Pf6N2E2_3340 | | Fructose repressor FruR, LacI family | — | — |
Not shown: 28 genomes with orthologs for CSW01_10290 only; 9 genomes with orthologs for CSW01_16835 only