| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| FixA-3 | FixB | PTH_1768 | PTH_0017 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.973 |
| FixA-3 | FixB-3 | PTH_1768 | PTH_1553 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.981 |
| FixA-3 | FixB-4 | PTH_1768 | PTH_1767 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.992 |
| FixA-3 | FixB-5 | PTH_1768 | PTH_2002 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.975 |
| FixA-3 | FixB-6 | PTH_1768 | PTH_2431 | Electron transfer flavoprotein, beta subunit. | Electron transfer flavoprotein, alpha subunit. | 0.973 |
| FixA-3 | FixC | PTH_1768 | PTH_0018 | Electron transfer flavoprotein, beta subunit. | Dehydrogenases; Flavoproteins. | 0.541 |
| FixA-3 | FixC-4 | PTH_1768 | PTH_0598 | Electron transfer flavoprotein, beta subunit. | Dehydrogenases; Flavoproteins. | 0.479 |
| FixA-3 | FixC-5 | PTH_1768 | PTH_1766 | Electron transfer flavoprotein, beta subunit. | Dehydrogenases; Flavoproteins. | 0.842 |
| FixA-3 | FixC-6 | PTH_1768 | PTH_2430 | Electron transfer flavoprotein, beta subunit. | Dehydrogenases; Flavoproteins. | 0.542 |
| FixA-3 | FixX-3 | PTH_1768 | PTH_1765 | Electron transfer flavoprotein, beta subunit. | Ferredoxin-like protein. | 0.930 |
| FixB | FixA-3 | PTH_0017 | PTH_1768 | Electron transfer flavoprotein, alpha subunit. | Electron transfer flavoprotein, beta subunit. | 0.973 |
| FixB | FixC | PTH_0017 | PTH_0018 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.827 |
| FixB | FixC-4 | PTH_0017 | PTH_0598 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.444 |
| FixB | FixC-5 | PTH_0017 | PTH_1766 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.444 |
| FixB | FixC-6 | PTH_0017 | PTH_2430 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.444 |
| FixB | FixX-3 | PTH_0017 | PTH_1765 | Electron transfer flavoprotein, alpha subunit. | Ferredoxin-like protein. | 0.825 |
| FixB-3 | FixA-3 | PTH_1553 | PTH_1768 | Electron transfer flavoprotein, alpha subunit. | Electron transfer flavoprotein, beta subunit. | 0.981 |
| FixB-3 | FixC | PTH_1553 | PTH_0018 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.444 |
| FixB-3 | FixC-4 | PTH_1553 | PTH_0598 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.444 |
| FixB-3 | FixC-5 | PTH_1553 | PTH_1766 | Electron transfer flavoprotein, alpha subunit. | Dehydrogenases; Flavoproteins. | 0.444 |