| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| FixA | FixB | PTH_0016 | PTH_0017 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.986 |
| FixA | FixB-2 | PTH_0016 | PTH_0597 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.933 |
| FixA | FixB-3 | PTH_0016 | PTH_1553 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.967 |
| FixA | FixB-4 | PTH_0016 | PTH_1767 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.953 |
| FixA | FixB-5 | PTH_0016 | PTH_2002 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.955 |
| FixA | FixB-6 | PTH_0016 | PTH_2431 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.952 |
| FixA | FixC | PTH_0016 | PTH_0018 | Electron transfer flavoprotein, beta subunit. | Dehydrogenases; Flavoproteins. | 0.796 |
| FixA | FixX | PTH_0016 | PTH_0019 | Electron transfer flavoprotein, beta subunit. | Ferredoxin-like protein. | 0.816 |
| FixA | PTH_0267 | PTH_0016 | PTH_0267 | Electron transfer flavoprotein, beta subunit. | Hypothetical protein; Containing NemA, NADH:flavin oxidoreductases, Old Yellow Enzyme family (COG1902) and TrxB, thioredoxin reductase (COG0492). | 0.755 |
| FixA | PTH_0600 | PTH_0016 | PTH_0600 | Electron transfer flavoprotein, beta subunit. | Hypothetical protein; Containing partial FixA (COG2086), electron transfer flavoprotein, beta subunit. | 0.774 |
| FixB | FixA | PTH_0017 | PTH_0016 | Electron transfer flavoprotein, alpha subunit. | Electron transfer flavoprotein, beta subunit. | 0.986 |
| FixB | FixC | PTH_0017 | PTH_0018 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.796 |
| FixB | FixX | PTH_0017 | PTH_0019 | Electron transfer flavoprotein, alpha subunit. | Ferredoxin-like protein. | 0.859 |
| FixB | PTH_0267 | PTH_0017 | PTH_0267 | Electron transfer flavoprotein, alpha subunit. | Hypothetical protein; Containing NemA, NADH:flavin oxidoreductases, Old Yellow Enzyme family (COG1902) and TrxB, thioredoxin reductase (COG0492). | 0.598 |
| FixB | PTH_0600 | PTH_0017 | PTH_0600 | Electron transfer flavoprotein, alpha subunit. | Hypothetical protein; Containing partial FixA (COG2086), electron transfer flavoprotein, beta subunit. | 0.931 |
| FixB-2 | FixA | PTH_0597 | PTH_0016 | Electron transfer flavoprotein, alpha subunit. | Electron transfer flavoprotein, beta subunit. | 0.933 |
| FixB-2 | FixX | PTH_0597 | PTH_0019 | Electron transfer flavoprotein, alpha subunit. | Ferredoxin-like protein. | 0.549 |
| FixB-2 | PTH_0267 | PTH_0597 | PTH_0267 | Electron transfer flavoprotein, alpha subunit. | Hypothetical protein; Containing NemA, NADH:flavin oxidoreductases, Old Yellow Enzyme family (COG1902) and TrxB, thioredoxin reductase (COG0492). | 0.598 |
| FixB-2 | PTH_0600 | PTH_0597 | PTH_0600 | Electron transfer flavoprotein, alpha subunit. | Hypothetical protein; Containing partial FixA (COG2086), electron transfer flavoprotein, beta subunit. | 0.970 |
| FixB-3 | FixA | PTH_1553 | PTH_0016 | Electron transfer flavoprotein, alpha subunit. | Electron transfer flavoprotein, beta subunit. | 0.967 |