| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Atu0415 | napA | Atu0415 | Atu4408 | Conserved hypothetical protein. | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.900 |
| Atu0415 | napB | Atu0415 | Atu4409 | Conserved hypothetical protein. | Periplasmic nitrate reductase small subunit; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.900 |
| Atu0415 | nasA | Atu0415 | Atu3900 | Conserved hypothetical protein. | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | 0.900 |
| Atu0415 | nirB | Atu0415 | Atu3902 | Conserved hypothetical protein. | Nitrite reductase large subunit; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.900 |
| Atu0415 | nirD | Atu0415 | Atu3901 | Conserved hypothetical protein. | Nitrite reductase small subunit. | 0.900 |
| Atu0415 | nirK | Atu0415 | Atu4382 | Conserved hypothetical protein. | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | 0.900 |
| napA | Atu0415 | Atu4408 | Atu0415 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Conserved hypothetical protein. | 0.900 |
| napA | napB | Atu4408 | Atu4409 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase small subunit; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.999 |
| napA | napC | Atu4408 | Atu4410 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase, cytochrome c-type protein. | 0.983 |
| napA | napD | Atu4408 | Atu4407 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase, NapD protein; 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. | 0.978 |
| napA | napF | Atu4408 | Atu4406 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase, ferredoxin-like protein; 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. | 0.984 |
| napA | nasA | Atu4408 | Atu3900 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | 0.916 |
| napA | nirB | Atu4408 | Atu3902 | Periplasmic nitrate reductase large subunit; 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; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.948 |
| napA | nirD | Atu4408 | Atu3901 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase small subunit. | 0.925 |
| napA | nirK | Atu4408 | Atu4382 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | 0.946 |
| napA | nrtC | Atu4408 | Atu3903 | Periplasmic nitrate reductase large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | ABC transporter, nucleotide binding/ATPase protein (nitrate). | 0.903 |
| napB | Atu0415 | Atu4409 | Atu0415 | Periplasmic nitrate reductase small subunit; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Conserved hypothetical protein. | 0.900 |
| napB | napA | Atu4409 | Atu4408 | Periplasmic nitrate reductase small subunit; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic nitrate reductase large subunit; 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 | Atu4409 | Atu4410 | Periplasmic nitrate reductase small subunit; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic nitrate reductase, cytochrome c-type protein. | 0.997 |
| napB | napD | Atu4409 | Atu4407 | Periplasmic nitrate reductase small subunit; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic nitrate reductase, NapD protein; 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. | 0.982 |