| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| napA | napB | VF_1905 | VF_1904 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.999 |
| napA | napC | VF_1905 | VF_1903 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrate reductase, cytochrome c-type, periplasmic. | 0.990 |
| napA | napD | VF_1905 | VF_1906 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Protein required for assembly of periplasmic nitrate reductase (NapA); Chaperone for NapA, the catalytic subunit of the periplasmic nitrate reductase. It binds directly and specifically to the twin- arginine signal peptide of NapA, preventing premature interaction with the Tat translocase and premature export. | 0.999 |
| napA | napF | VF_1905 | VF_1907 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Ferredoxin-type protein NapF; Could be involved in the maturation of NapA, the catalytic subunit of the periplasmic nitrate reductase, before its export into the periplasm; Belongs to the NapF family. | 0.951 |
| napA | nfrA | VF_1905 | VF_1554 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase, formate-dependent, cytochrome; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.962 |
| napA | nirB | VF_1905 | VF_0776 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase, large subunit, NAD(P)H-binding; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.945 |
| napA | nirD | VF_1905 | VF_0775 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase, NAD(P)H-binding, small subunit. | 0.944 |
| napA | norW | VF_1905 | VF_1781 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | NADH:flavorubredoxin oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase. | 0.954 |
| napA | torC | VF_1905 | VF_A0298 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Trimethylamine N-oxide reductase, cytochrome c-type subunit; Belongs to the TorC/TorY family. | 0.941 |
| napA | torY | VF_1905 | VF_A0189 | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | TMAO reductase III (TorYZ), cytochrome c-type subunit; Belongs to the TorC/TorY family. | 0.940 |
| napB | napA | VF_1904 | VF_1905 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.999 |
| napB | napC | VF_1904 | VF_1903 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Nitrate reductase, cytochrome c-type, periplasmic. | 0.986 |
| napB | napD | VF_1904 | VF_1906 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Protein required for assembly of periplasmic nitrate reductase (NapA); Chaperone for NapA, the catalytic subunit of the periplasmic nitrate reductase. It binds directly and specifically to the twin- arginine signal peptide of NapA, preventing premature interaction with the Tat translocase and premature export. | 0.991 |
| napB | napF | VF_1904 | VF_1907 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Ferredoxin-type protein NapF; Could be involved in the maturation of NapA, the catalytic subunit of the periplasmic nitrate reductase, before its export into the periplasm; Belongs to the NapF family. | 0.904 |
| napB | nfrA | VF_1904 | VF_1554 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Nitrite reductase, formate-dependent, cytochrome; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.932 |
| napB | nirB | VF_1904 | VF_0776 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Nitrite reductase, large subunit, NAD(P)H-binding; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.914 |
| napB | nirD | VF_1904 | VF_0775 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Nitrite reductase, NAD(P)H-binding, small subunit. | 0.921 |
| napB | torC | VF_1904 | VF_A0298 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Trimethylamine N-oxide reductase, cytochrome c-type subunit; Belongs to the TorC/TorY family. | 0.940 |
| napB | torY | VF_1904 | VF_A0189 | Nitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | TMAO reductase III (TorYZ), cytochrome c-type subunit; Belongs to the TorC/TorY family. | 0.940 |
| napC | napA | VF_1903 | VF_1905 | Nitrate reductase, cytochrome c-type, periplasmic. | Nitrate reductase, large, cytochrome C550 subunit, periplasmic; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.990 |