| Organism | Ratio1 | Gene1 | Name1 | Description1 | Ratio2 | Gene2 | Name2 | Description2 | Cofit | Rank |
| Rhodanobacter sp000427505 FW510-R12 | 1.0 | LRK53_RS07705 | | ferrous iron transporter B | 1.0 | LRK53_RS15950 | | fumarate hydratase | 0.45 | 4 |
| Rhodanobacter denitrificans MT42 | 0.96 | LRK55_RS02020 | | ferrous iron transporter B | 0.98 | LRK55_RS12360 | | fumarate hydratase | low | > 63 |
| Rhodanobacter denitrificans FW104-10B01 | 0.96 | LRK54_RS02265 | | ferrous iron transporter B | 0.98 | LRK54_RS12620 | | fumarate hydratase | low | > 59 |
| Rhodanobacter sp. FW510-T8 | 0.92 | OKGIIK_09315 | feoB | ferrous iron transport protein B | 0.99 | OKGIIK_02115 | ttdA | fumarate hydratase | low | > 53 |
| Dyella japonica UNC79MFTsu3.2 | 0.73 | ABZR86_RS20600 | | ferrous iron transporter B | 0.92 | ABZR86_RS19555 | | fumarate hydratase | low | > 74 |
| Herbaspirillum seropedicae SmR1 | 0.70 | HSERO_RS00255 | | iron transporter FeoB | 0.77 | HSERO_RS07760 | | fumarate hydratase | — | — |
| Xanthomonas campestris pv. campestris strain 8004 | 0.65 | Xcc-8004.2920.1 | | Ferrous iron transport protein B | 0.86 | Xcc-8004.3506.1 | | Fumarate hydratase class I, aerobic (EC 4.2.1.2) | — | — |
| Lysobacter sp. OAE881 | 0.64 | ABIE51_RS13180 | | ferrous iron transport protein B | 0.89 | ABIE51_RS12620 | | fumarate hydratase | — | — |
| Ralstonia sp. UNC404CL21Col | 0.64 | ABZR87_RS17280 | | ferrous iron transport protein B | 0.83 | ABZR87_RS14375 | | fumarate hydratase | — | — |
| Ralstonia solanacearum IBSBF1503 | 0.63 | RALBFv3_RS22240 | | ferrous iron transport protein B | 0.83 | RALBFv3_RS02460 | | fumarate hydratase | — | — |
| Ralstonia solanacearum UW163 | 0.63 | UW163_RS22785 | | ferrous iron transport protein B | 0.83 | UW163_RS11265 | | fumarate hydratase | — | — |
| Ralstonia solanacearum GMI1000 | 0.63 | RS_RS18365 | | ferrous iron transport protein B | 0.83 | RS_RS09830 | | fumarate hydratase | — | — |
| Cupriavidus basilensis FW507-4G11 | 0.62 | RR42_RS21220 | | iron transporter FeoB | 0.78 | RR42_RS13905 | | fumarate hydratase | 0.39 | 67 |
| Ralstonia solanacearum PSI07 | 0.62 | RPSI07_RS00960 | | ferrous iron transport protein B | 0.78 | RPSI07_RS14865 | | fumarate hydratase | — | — |
| Acinetobacter baumannii LAC-4 | 0.59 | RR41_RS17755 | | ferrous iron transporter B | 0.75 | RR41_RS16545 | | fumarate hydratase | 0.52 | 7 |
| Acinetobacter radioresistens SK82 | 0.57 | MPMX26_00171 | | Fe(2+) transporter FeoB | 0.75 | MPMX26_00411 | | Fumarate hydratase class I, aerobic | — | — |
| Acidovorax sp. GW101-3H11 | 0.55 | Ac3H11_1336 | | Ferrous iron transport protein B | 0.74 | Ac3H11_941 | | Fumarate hydratase class I, aerobic (EC 4.2.1.2) | — | — |
| Variovorax sp. SCN45 | 0.54 | GFF3917 | | Ferrous iron transporter FeoB | 0.73 | GFF483 | | Fumarate hydratase class I, aerobic (EC 4.2.1.2) | low | > 127 |
| Variovorax sp. OAS795 | 0.53 | ABID97_RS08570 | | ferrous iron transporter B | 0.74 | ABID97_RS17550 | | fumarate hydratase | low | > 91 |
| Sphingomonas koreensis DSMZ 15582 | 0.47 | Ga0059261_2286 | | Fe2+ transport system protein B | 0.69 | Ga0059261_3334 | | hydro-lyases, Fe-S type, tartrate/fumarate subfamily, alpha region/hydro-lyases, Fe-S type, tartrate/fumarate subfamily, beta region | low | > 68 |
| Sphingobium sp. HT1-2 | 0.44 | GFF3263 | | Ferrous iron transporter FeoB | 0.71 | GFF683 | | Fumarate hydratase class I, aerobic (EC 4.2.1.2) | low | > 95 |
| Methylophilus sp. DMC18 | 0.25 | GFF811 | | Fe(2+) transporter FeoB | 0.69 | GFF482 | | Fumarate hydratase class I, anaerobic | — | — |
Not shown: 9 genomes with orthologs for LRK53_RS07705 only; 40 genomes with orthologs for LRK53_RS15950 only