| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Vibrio cholerae E7946 ATCC 55056 | 1.0 | CSW01_14665 | | ribokinase | 1.0 | CSW01_10280 | | heme exporter protein C | 0.79 | 15 |
| Serratia liquefaciens MT49 | 0.53 | IAI46_25055 | | ribokinase | 0.61 | IAI46_18100 | | heme ABC transporter permease | low | > 87 |
| Escherichia fergusonii Becca | 0.52 | EFB2_04881 | | Ribokinase | 0.63 | EFB2_01657 | | Heme exporter protein C | low | > 86 |
| Escherichia coli BL21 | 0.52 | ECD_03638 | | ribokinase | 0.63 | ECD_02126 | | heme export ABC transporter permease; CcmE-interacting protein | low | > 61 |
| Escherichia coli Nissle 1917 | 0.52 | ECOLIN_RS21570 | | ribokinase | 0.63 | ECOLIN_RS12850 | | heme exporter protein CcmC | low | > 55 |
| Escherichia coli ECRC99 | 0.52 | KEDOAH_13420 | rbsK | ribokinase | 0.63 | KEDOAH_04895 | ccmC | heme exporter protein CcmC | — | — |
| Escherichia coli ECRC102 | 0.52 | NIAGMN_12485 | rbsK | ribokinase | 0.63 | NIAGMN_21055 | ccmC | heme exporter protein CcmC | low | > 80 |
| Escherichia coli ECRC101 | 0.52 | MCAODC_05235 | rbsK | ribokinase | 0.63 | MCAODC_14340 | ccmC | heme exporter protein CcmC | low | > 87 |
| Escherichia coli ECRC100 | 0.52 | OKFHMN_14730 | rbsK | ribokinase | 0.63 | OKFHMN_23290 | ccmC | heme exporter protein CcmC | low | > 79 |
| Escherichia coli ECOR27 | 0.52 | NOLOHH_06865 | rbsK | ribokinase | 0.63 | NOLOHH_14865 | ccmC | heme exporter protein CcmC | low | > 76 |
| Escherichia coli BW25113 | 0.52 | b3752 | rbsK | ribokinase (NCBI) | 0.63 | b2199 | ccmC | heme exporter subunit (NCBI) | 0.34 | 49 |
| Escherichia coli ECRC98 | 0.52 | JDDGAC_18350 | rbsK | ribokinase | 0.63 | JDDGAC_27250 | ccmC | heme exporter protein CcmC | low | > 87 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.52 | OHPLBJKB_04301 | | Ribokinase | 0.63 | OHPLBJKB_01512 | | Heme exporter protein C | low | > 74 |
| Escherichia coli ECRC62 | 0.52 | BNILDI_04660 | rbsK | ribokinase | 0.63 | BNILDI_13785 | ccmC | heme exporter protein CcmC | low | > 75 |
| Escherichia coli ECOR38 | 0.52 | HEPCGN_13440 | rbsK | ribokinase | 0.63 | HEPCGN_22555 | ccmC | heme exporter protein CcmC | low | > 88 |
| Pantoea sp. MT58 | 0.52 | IAI47_00370 | | ribokinase | 0.64 | IAI47_06075 | | heme ABC transporter permease | low | > 76 |
| Pectobacterium carotovorum WPP14 | 0.52 | HER17_RS21530 | | ribokinase | 0.59 | HER17_RS09040 | | heme ABC transporter permease | low | > 75 |
| Rahnella sp. WP5 | 0.52 | EX31_RS06190 | | ribokinase | 0.66 | EX31_RS19760 | | heme ABC transporter permease | low | > 89 |
| Pantoea agglomerans CFBP13505 P0401 | 0.51 | PagCFBP13505_RS18965 | | ribokinase | 0.64 | PagCFBP13505_RS00030 | | heme ABC transporter permease | low | > 74 |
| Erwinia amylovora T8 | 0.51 | OLJFJH_05410 | | ribokinase | 0.64 | OLJFJH_11085 | | heme ABC transporter permease | low | > 58 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.51 | GFF1705 | | Ribokinase (EC 2.7.1.15) | 0.64 | GFF4880 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | — | — |
| Klebsiella pneumoniae MKP103 | 0.50 | KDGMDA_08895 | | ribokinase | 0.59 | KDGMDA_23860 | | heme ABC transporter permease | low | > 95 |
| Shewanella sp. ANA-3 | 0.43 | Shewana3_3477 | | ribokinase (RefSeq) | 0.67 | Shewana3_0229 | | heme exporter protein CcmC (RefSeq) | — | — |
| Shewanella loihica PV-4 | 0.42 | Shew_0696 | | ribokinase (RefSeq) | 0.64 | Shew_0188 | | heme exporter protein CcmC (RefSeq) | — | — |
| Shewanella oneidensis MR-1 | 0.41 | SO0810 | rbsK | ribokinase (NCBI ptt file) | 0.66 | SO0261 | ccmC | heme exporter protein CcmC (NCBI ptt file) | low | > 76 |
| Pseudomonas aeruginosa MRSN321 | 0.39 | DY961_RS28765 | rbsK;go_function=ribokinase | ribokinase | 0.55 | DY961_RS05525 | | heme ABC transporter permease | — | — |
| Pseudomonas aeruginosa PA14 | 0.39 | IKLFDK_09520 | | ribokinase | 0.55 | IKLFDK_07025 | | Heme exporter protein C | — | — |
| Pseudomonas aeruginosa PUPa3 | 0.39 | DQ20_RS38250 | rbsK;go_function=ribokinase | ribokinase | 0.55 | DQ20_RS47265 | | heme ABC transporter permease | — | — |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.37 | Psyr_2155 | | Carbohydrate kinase, PfkB | 0.54 | Psyr_3391 | | Cytochrome c-type biogenesis protein CcmC | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.37 | Psyr_2155 | | Carbohydrate kinase, PfkB | 0.54 | Psyr_3391 | | Cytochrome c-type biogenesis protein CcmC | — | — |
| Pseudomonas simiae WCS417 | 0.36 | PS417_18385 | | ribokinase | 0.55 | PS417_08700 | | heme ABC transporter permease | — | — |
| Dyella japonica UNC79MFTsu3.2 | 0.35 | ABZR86_RS15070 | | ribokinase | 0.52 | ABZR86_RS06430 | | heme ABC transporter permease | — | — |
| Pseudomonas sp. DMC3 | 0.35 | GFF901 | | Ribokinase | 0.56 | GFF2487 | | Heme exporter protein C | — | — |
| Pseudomonas fluorescens FW300-N2E2 | 0.35 | Pf6N2E2_165 | | Ribokinase (EC 2.7.1.15) | 0.55 | Pf6N2E2_2558 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | — | — |
| Pseudomonas fluorescens GW456-L13 | 0.35 | PfGW456L13_3908 | | Ribokinase (EC 2.7.1.15) | 0.55 | PfGW456L13_4314 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | — | — |
| Pseudomonas fluorescens FW300-N2C3 | 0.35 | AO356_00950 | | Ribokinase (EC 2.7.1.15) (from data) | 0.55 | AO356_03650 | | heme ABC transporter permease | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.35 | Pf1N1B4_6031 | | Ribokinase (EC 2.7.1.15) (from data) | 0.55 | Pf1N1B4_3641 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | — | — |
| Pseudomonas sp. RS175 | 0.34 | PFR28_02733 | | Ribokinase | 0.54 | PFR28_00867 | | Heme exporter protein C | — | — |
| Pseudomonas lactucae CFBP13502 | 0.34 | GEMAOFIL_03907 | | Ribokinase | 0.55 | GEMAOFIL_01872 | | Heme exporter protein C | — | — |
| Pseudomonas putida KT2440 | 0.34 | PP_2458 | | ribokinase | 0.53 | PP_4325 | | protoheme IX reservoir complex subunit | — | — |
| Pseudomonas orientalis W4I3 | 0.34 | QF045_RS20535 | | ribokinase | 0.54 | QF045_RS11415 | | heme ABC transporter permease | low | > 93 |
| Pseudomonas sp. SVBP6 | 0.34 | COO64_RS10345 | rbsK | ribokinase | 0.57 | COO64_RS25700 | | heme ABC transporter permease | — | — |
| Pseudomonas sp. BP01 | 0.33 | JOY50_RS04290 | rbsK | ribokinase | 0.52 | JOY50_RS00495 | | heme ABC transporter permease | — | — |
| Pseudomonas fluorescens SBW25-INTG | 0.33 | PFLU_RS20360 | | ribokinase | 0.54 | PFLU_RS08655 | | heme ABC transporter permease | 0.26 | 32 |
| Pseudomonas fluorescens SBW25 | 0.33 | PFLU_RS20360 | | ribokinase | 0.54 | PFLU_RS08655 | | heme ABC transporter permease | low | > 109 |
| Pseudomonas fluorescens FW300-N2E3 | 0.32 | AO353_20835 | | Ribokinase (EC 2.7.1.15) (from data) | 0.55 | AO353_18860 | | heme ABC transporter permease | — | — |
| Rhodospirillum rubrum S1H | 0.32 | Rru_A2297 | | Ribokinase (NCBI) | 0.43 | Rru_A0038 | | Cytochrome c-type biogenesis protein CcmC (NCBI) | — | — |
| Rhodanobacter denitrificans MT42 | 0.32 | LRK55_RS08275 | | ribokinase | 0.49 | LRK55_RS15830 | | heme ABC transporter permease | — | — |
| Rhodanobacter denitrificans FW104-10B01 | 0.32 | LRK54_RS08510 | | ribokinase | 0.49 | LRK54_RS16080 | | heme ABC transporter permease | — | — |
| Azospirillum sp. SherDot2 | 0.31 | MPMX19_02769 | | Ribokinase | 0.47 | MPMX19_02530 | | Heme exporter protein C | — | — |
| Rhodanobacter sp. FW510-T8 | 0.30 | OKGIIK_15305 | rbsK | ribokinase | 0.50 | OKGIIK_08570 | ccmC | heme ABC transporter permease | — | — |
| Dinoroseobacter shibae DFL-12 | 0.30 | Dshi_1976 | | PfkB domain protein (RefSeq) | 0.34 | Dshi_1853 | | heme exporter protein CcmC (RefSeq) | — | — |
| Alteromonas macleodii MIT1002 | 0.30 | MIT1002_02988 | | Ribokinase | 0.73 | MIT1002_00962 | | Cytochrome c-type biogenesis protein CcmC | — | — |
| Rhodanobacter sp000427505 FW510-R12 | 0.29 | LRK53_RS02295 | | ribokinase | 0.50 | LRK53_RS12715 | | heme ABC transporter permease | — | — |
| Agrobacterium fabrum C58 | 0.27 | Atu4847 | | ribokinase | 0.44 | Atu2688 | | ABC transporter, membrane spanning protein (heme) | — | — |
| Sinorhizobium meliloti 1021 | 0.26 | SMc01103 | | Ribokinase (EC 2.7.1.15) (from data) | 0.45 | SMc03849 | | heme exporter C (cytochrome C-type biogenesis protein) transmembrane | low | > 103 |
| Lysobacter sp. OAE881 | 0.25 | ABIE51_RS16435 | | ribokinase | 0.44 | ABIE51_RS08715 | | heme ABC transporter permease CcmC | low | > 62 |
| Rhizobium sp. OAE497 | 0.23 | ABIE40_RS01880 | | ribokinase | 0.42 | ABIE40_RS18290 | | heme ABC transporter permease | low | > 107 |
| Xanthomonas campestris pv. campestris strain 8004 | 0.23 | Xcc-8004.4302.1 | | Ribokinase (EC 2.7.1.15) | 0.48 | Xcc-8004.2345.1 | | Cytochrome c-type biogenesis protein CcmC, putative heme lyase for CcmE | — | — |
| Brevundimonas sp. GW460-12-10-14-LB2 | 0.23 | A4249_RS15765 | | ribokinase | 0.36 | A4249_RS12785 | | heme ABC transporter permease | — | — |
| Caulobacter crescentus NA1000 Δfur | 0.23 | CCNA_01001 | | ribokinase | 0.40 | CCNA_03786 | | heme chaperone heme-lyase | low | > 67 |
| Caulobacter crescentus NA1000 | 0.23 | CCNA_01001 | | ribokinase | 0.40 | CCNA_03786 | | heme chaperone heme-lyase | low | > 66 |
| Sphingomonas koreensis DSMZ 15582 | 0.23 | Ga0059261_0568 | | Sugar kinases, ribokinase family | 0.36 | Ga0059261_0175 | | heme exporter protein CcmC | — | — |
| Bosea sp. OAE506 | 0.22 | ABIE41_RS03745 | | ribokinase | 0.42 | ABIE41_RS04985 | | heme ABC transporter permease | — | — |
| Phaeobacter inhibens DSM 17395 | 0.17 | PGA1_c34980 | | putative pfkB family carbohydrate kinase | 0.34 | PGA1_c18870 | | heme exporter protein C | — | — |
| Kangiella aquimarina DSM 16071 | 0.12 | B158DRAFT_1294 | | Sugar kinases, ribokinase family | 0.45 | B158DRAFT_1325 | | heme exporter protein CcmC | low | > 40 |
| Rhodopseudomonas palustris CGA009 | 0.12 | TX73_003165 | | sugar kinase | 0.40 | TX73_001060 | | heme ABC transporter permease | — | — |
| Magnetospirillum magneticum AMB-1 | 0.09 | AMB_RS16380 | | carbohydrate kinase family protein | 0.45 | AMB_RS21235 | | heme transporter HemC | — | — |
Not shown: 28 genomes with orthologs for CSW01_14665 only; 10 genomes with orthologs for CSW01_10280 only