| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Dickeya dianthicola ME23 | 1.0 | DZA65_RS03465 | | FAD assembly factor SdhE | 1.0 | DZA65_RS06830 | | succinate dehydrogenase membrane anchor subunit | 0.56 | 12 |
| Dickeya dianthicola 67-19 | 0.99 | HGI48_RS03420 | | FAD assembly factor SdhE | 1.00 | HGI48_RS06485 | | succinate dehydrogenase membrane anchor subunit | — | — |
| Dickeya dadantii 3937 | 0.98 | DDA3937_RS03280 | | FAD assembly factor SdhE | 0.99 | DDA3937_RS06445 | | succinate dehydrogenase membrane anchor subunit | low | > 74 |
| Klebsiella michiganensis M5al | 0.87 | BWI76_RS23830 | | hypothetical protein | 0.75 | BWI76_RS08400 | | succinate dehydrogenase cytochrome b556 small membrane subunit | — | — |
| Pectobacterium carotovorum WPP14 | 0.86 | HER17_RS17925 | | FAD assembly factor SdhE | 0.94 | HER17_RS14945 | | succinate dehydrogenase membrane anchor subunit | — | — |
| Rahnella sp. WP5 | 0.85 | EX31_RS13495 | | FAD assembly factor SdhE | 0.73 | EX31_RS23425 | | succinate dehydrogenase membrane anchor subunit | 0.80 | 3 |
| Escherichia coli HS(pFamp)R (ATCC 700891) | 0.85 | OHPLBJKB_00818 | | FAD assembly factor SdhE | 0.70 | OHPLBJKB_02994 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | 0.36 | 3 |
| Escherichia coli ECRC100 | 0.85 | OKFHMN_19555 | sdhE | FAD assembly factor SdhE | 0.68 | OKFHMN_06945 | sdhD | succinate dehydrogenase membrane anchor subunit | low | > 79 |
| Escherichia fergusonii Becca | 0.85 | EFB2_01004 | | FAD assembly factor SdhE | 0.70 | EFB2_03383 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | 0.26 | 86 |
| Escherichia coli ECRC62 | 0.85 | BNILDI_10010 | sdhE | FAD assembly factor SdhE | 0.70 | BNILDI_21325 | sdhD | succinate dehydrogenase membrane anchor subunit | low | > 75 |
| Enterobacter asburiae PDN3 | 0.85 | EX28DRAFT_2948 | | Uncharacterized conserved protein | 0.79 | EX28DRAFT_2269 | | succinate dehydrogenase, hydrophobic membrane anchor protein | 0.95 | 1 |
| Escherichia coli ECRC98 | 0.85 | JDDGAC_23195 | sdhE | FAD assembly factor SdhE | 0.68 | JDDGAC_10600 | sdhD | succinate dehydrogenase membrane anchor subunit | low | > 87 |
| Escherichia coli ECRC101 | 0.85 | MCAODC_10075 | sdhE | FAD assembly factor SdhE | 0.68 | MCAODC_26165 | sdhD | succinate dehydrogenase membrane anchor subunit | 0.20 | 67 |
| Enterobacter sp. TBS_079 | 0.85 | MPMX20_03756 | | FAD assembly factor SdhE | 0.69 | MPMX20_01351 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | 0.71 | 4 |
| Escherichia coli BW25113 | 0.85 | b2897 | ygfY | hypothetical protein (NCBI) | 0.70 | b0722 | sdhD | succinate dehydrogenase cytochrome b556 small membrane subunit (NCBI) | 0.54 | 5 |
| Escherichia coli Nissle 1917 | 0.85 | ECOLIN_RS16140 | | FAD assembly factor SdhE | 0.70 | ECOLIN_RS03850 | | succinate dehydrogenase membrane anchor subunit | — | — |
| Escherichia coli ECRC99 | 0.85 | KEDOAH_08585 | sdhE | FAD assembly factor SdhE | 0.68 | KEDOAH_21020 | sdhD | succinate dehydrogenase membrane anchor subunit | — | — |
| Escherichia coli ECRC102 | 0.85 | NIAGMN_17320 | sdhE | FAD assembly factor SdhE | 0.68 | NIAGMN_04995 | sdhD | succinate dehydrogenase membrane anchor subunit | low | > 80 |
| Escherichia coli BL21 | 0.85 | ECD_02729 | | flavinator of succinate dehydrogenase; antitoxin of CptAB toxin-antitoxin pair | 0.70 | ECD_00682 | | succinate dehydrogenase, membrane subunit, binds cytochrome b556 | low | > 61 |
| Escherichia coli ECOR38 | 0.85 | HEPCGN_18845 | sdhE | FAD assembly factor SdhE | 0.70 | HEPCGN_01290 | sdhD | succinate dehydrogenase membrane anchor subunit | 0.44 | 4 |
| Escherichia coli ECOR27 | 0.84 | NOLOHH_11480 | sdhE | FAD assembly factor SdhE | 0.70 | NOLOHH_23330 | sdhD | succinate dehydrogenase membrane anchor subunit | 0.23 | 41 |
| Klebsiella pneumoniae MKP103 | 0.84 | KDGMDA_04315 | | FAD assembly factor SdhE | 0.76 | KDGMDA_16715 | | succinate dehydrogenase cytochrome b556 subunit | low | > 94 |
| Serratia liquefaciens MT49 | 0.84 | IAI46_20760 | | FAD assembly factor SdhE | 0.73 | IAI46_06260 | | succinate dehydrogenase membrane anchor subunit | low | > 87 |
| Klebsiella pneumoniae MRSN742743 | 0.84 | GJGHJB_00780 | sdhE | FAD assembly factor SdhE | 0.76 | GJGHJB_03517 | sdhC | succinate dehydrogenase cytochrome b556 subunit | low | > 83 |
| Erwinia amylovora T8 | 0.83 | OLJFJH_08810 | | FAD assembly factor SdhE | 0.75 | OLJFJH_16965 | | succinate dehydrogenase membrane anchor subunit | low | > 58 |
| Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | 0.83 | GFF2994 | | YgfY COG2938 | 0.69 | GFF4636 | | Succinate dehydrogenase hydrophobic membrane anchor protein | 0.73 | 4 |
| Erwinia tracheiphila SCR3 | 0.82 | LU632_RS05960 | sdhE | FAD assembly factor SdhE | 0.80 | LU632_RS16110 | sdhD | succinate dehydrogenase membrane anchor subunit | 0.84 | 15 |
| Erwinia tracheiphila HP pepo 2.2 | 0.82 | IJEDHG_03210 | sdhE | FAD assembly factor SdhE | 0.72 | IJEDHG_02160 | sdhD | succinate dehydrogenase membrane anchor subunit | low | > 61 |
| Pantoea sp. MT58 | 0.79 | IAI47_03805 | | FAD assembly factor SdhE | 0.75 | IAI47_13760 | | succinate dehydrogenase membrane anchor subunit | 0.64 | 7 |
| Pantoea agglomerans CFBP13505 P0401 | 0.77 | PagCFBP13516_RS04035 | sdhE | FAD assembly factor SdhE | 0.75 | PagCFBP13516_RS13870 | sdhD | succinate dehydrogenase membrane anchor subunit | 0.81 | 17 |
| Shewanella oneidensis MR-1 | 0.50 | SO1339 | | conserved hypothetical protein (NCBI ptt file) | 0.53 | SO1927.1 | | hypothetical succinate dehydrogenase, hydrophobic subunit (NCBI ptt file) | — | — |
| Shewanella sp. ANA-3 | 0.49 | Shewana3_3035 | | hypothetical protein (RefSeq) | 0.54 | Shewana3_1707 | | succinate dehydrogenase subunit D (RefSeq) | — | — |
| Shewanella loihica PV-4 | 0.48 | Shew_1045 | | hypothetical protein (RefSeq) | 0.64 | Shew_1652 | | putative succinate dehydrogenase, hydrophobic subunit (RefSeq) | — | — |
| Vibrio cholerae E7946 ATCC 55056 | 0.47 | CSW01_12505 | | succinate dehydrogenase assembly factor 2 family protein | 0.55 | CSW01_10445 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Alteromonas macleodii MIT1002 | 0.46 | MIT1002_02723 | | Antitoxin CptB | 0.41 | MIT1002_01945 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | — | — |
| Shewanella amazonensis SB2B | 0.46 | Sama_0871 | | hypothetical protein (RefSeq) | 0.53 | Sama_1424 | | succinate dehydrogenase, cytochrome b subunit (RefSeq) | — | — |
| Pseudomonas sp. S08-1 | 0.43 | OH686_20030 | | Succinate dehydrogenase flavin-adding protein, antitoxin of CptAB toxin-antitoxin | 0.40 | OH686_01985 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas aeruginosa MRSN321 | 0.41 | PFGADD_04377 | sdhE | FAD assembly factor SdhE | 0.44 | PFGADD_03556 | sdhD | succinate dehydrogenase hydrophobic membrane anchor protein | — | — |
| Pseudomonas lactucae CFBP13502 | 0.41 | GEMAOFIL_01569 | | FAD assembly factor SdhE | 0.44 | GEMAOFIL_01906 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | — | — |
| Pseudomonas aeruginosa PUPa3 | 0.41 | NPBIFN_04433 | sdhE | FAD assembly factor SdhE | 0.44 | NPBIFN_03592 | sdhD | succinate dehydrogenase hydrophobic membrane anchor protein | — | — |
| Pseudomonas aeruginosa PA14 | 0.41 | IKLFDK_03250 | | FAD assembly factor SdhE | 0.44 | IKLFDK_07575 | | succinate dehydrogenase hydrophobic membrane anchor protein | — | — |
| Pseudomonas sp. BP01 | 0.41 | JOY50_RS14650 | | succinate dehydrogenase assembly factor 2 | 0.45 | JOY50_RS19060 | sdhD | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas orientalis W4I3 | 0.41 | QF045_RS09820 | | succinate dehydrogenase assembly factor 2 | 0.45 | QF045_RS11575 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas putida KT2440 | 0.41 | PP_1424 | | conserved protein of unknown function, DUF339 family | 0.45 | PP_4192 | | succinate dehydrogenase hydrophobic membrane anchor subunit | — | — |
| Pseudomonas segetis P6 | 0.41 | ACVTMO_RS06925 | | FAD assembly factor SdhE | 0.44 | ACVTMO_RS11655 | sdhD | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas simiae WCS417 | 0.40 | PS417_07105 | | hypothetical protein | 0.44 | PS417_08880 | | succinate dehydrogenase | — | — |
| Pseudomonas fluorescens SBW25 | 0.40 | PFLU_RS07180 | | succinate dehydrogenase assembly factor 2 | 0.44 | PFLU_RS08940 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas fluorescens SBW25-INTG | 0.40 | PFLU_RS07180 | | succinate dehydrogenase assembly factor 2 | 0.44 | PFLU_RS08940 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas fluorescens GW456-L13 | 0.40 | PfGW456L13_4519 | | YgfY COG2938 | 0.43 | PfGW456L13_4272 | | Succinate dehydrogenase hydrophobic membrane anchor protein | — | — |
| Pseudomonas fluorescens FW300-N1B4 | 0.40 | Pf1N1B4_3320 | | YgfY COG2938 | 0.43 | Pf1N1B4_3678 | | Succinate dehydrogenase hydrophobic membrane anchor protein | — | — |
| Pseudomonas sp. DMC3 | 0.40 | GFF2275 | | FAD assembly factor SdhE | 0.43 | GFF2517 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | — | — |
| Pseudomonas fluorescens FW300-N2E2 | 0.40 | Pf6N2E2_2760 | | YgfY COG2938 | 0.43 | Pf6N2E2_5852 | | Succinate dehydrogenase hydrophobic membrane anchor protein | — | — |
| Pseudomonas fluorescens FW300-N2C3 | 0.40 | AO356_04590 | | hypothetical protein | 0.43 | AO356_19680 | | succinate dehydrogenase | — | — |
| Pseudomonas stutzeri RCH2 | 0.40 | Psest_3103 | | Uncharacterized conserved protein | 0.40 | Psest_2497 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas sp. SVBP6 | 0.40 | COO64_RS16510 | | succinate dehydrogenase assembly factor 2 | 0.42 | COO64_RS18880 | sdhD | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Pseudomonas sp. RS175 | 0.40 | PFR28_00687 | | FAD assembly factor SdhE | 0.42 | PFR28_03099 | | Succinate dehydrogenase hydrophobic membrane anchor subunit | — | — |
| Pseudomonas fluorescens FW300-N2E3 | 0.39 | AO353_17610 | | hypothetical protein | 0.41 | AO353_01850 | | succinate dehydrogenase | — | — |
| Pseudomonas protegens RBAN4 | 0.38 | FABNJH_07540 | sdhE | FAD assembly factor SdhE | 0.43 | FABNJH_08900 | sdhD | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
| Marinobacter adhaerens HP15 | 0.37 | HP15_773 | | conserved hypothetical protein | 0.45 | HP15_1518 | | succinate dehydrogenase, hydrophobic membrane anchor | — | — |
| Pseudomonas syringae pv. syringae B728a | 0.37 | Psyr_3961 | | Protein of unknown function DUF339 | 0.43 | Psyr_2006 | | succinate dehydrogenase subunit D | — | — |
| Pseudomonas syringae pv. syringae B728a ΔmexB | 0.37 | Psyr_3961 | | Protein of unknown function DUF339 | 0.43 | Psyr_2006 | | succinate dehydrogenase subunit D | — | — |
| Kangiella aquimarina DSM 16071 | 0.32 | B158DRAFT_2177 | | Uncharacterized conserved protein | 0.44 | B158DRAFT_1421 | | succinate dehydrogenase, hydrophobic membrane anchor protein | — | — |
Not shown: 4 genomes with orthologs for DZA65_RS03465 only; 15 genomes with orthologs for DZA65_RS06830 only