| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Atu0882 | napA | Atu0882 | 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. | 0.416 |
| Atu0882 | norB | Atu0882 | Atu4388 | Conserved hypothetical protein. | Nitric oxide reductase, cytochrome b subunit. | 0.782 |
| Atu0882 | norE | Atu0882 | Atu4391 | Conserved hypothetical protein. | Nitric oxide reductase NorE protein. | 0.777 |
| Atu4383 | fixP | Atu4383 | Atu1534 | Conserved hypothetical protein. | Cytochrome-c oxidase, FixP chain; C-type cytochrome. Part of the cbb3-type cytochrome c oxidase complex. | 0.431 |
| Atu4383 | nirK | Atu4383 | Atu4382 | Conserved hypothetical protein. | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | 0.732 |
| Atu4383 | norB | Atu4383 | Atu4388 | Conserved hypothetical protein. | Nitric oxide reductase, cytochrome b subunit. | 0.700 |
| Atu4383 | norC | Atu4383 | Atu4389 | Conserved hypothetical protein. | Nitric oxide reductase, cytochrome c-containing subunit. | 0.658 |
| Atu4383 | norD | Atu4383 | Atu4386 | Conserved hypothetical protein. | Nitric oxide reductase NorD protein. | 0.617 |
| Atu4383 | norQ | Atu4383 | Atu4387 | Conserved hypothetical protein. | Nitric oxide reductase NorQ protein. | 0.432 |
| fixP | Atu4383 | Atu1534 | Atu4383 | Cytochrome-c oxidase, FixP chain; C-type cytochrome. Part of the cbb3-type cytochrome c oxidase complex. | Conserved hypothetical protein. | 0.431 |
| fixP | napA | Atu1534 | Atu4408 | Cytochrome-c oxidase, FixP chain; C-type cytochrome. Part of the cbb3-type cytochrome c oxidase complex. | 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. | 0.755 |
| fixP | norB | Atu1534 | Atu4388 | Cytochrome-c oxidase, FixP chain; C-type cytochrome. Part of the cbb3-type cytochrome c oxidase complex. | Nitric oxide reductase, cytochrome b subunit. | 0.815 |
| fixP | norE | Atu1534 | Atu4391 | Cytochrome-c oxidase, FixP chain; C-type cytochrome. Part of the cbb3-type cytochrome c oxidase complex. | Nitric oxide reductase NorE protein. | 0.771 |
| napA | Atu0882 | Atu4408 | Atu0882 | 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. | 0.416 |
| napA | fixP | Atu4408 | Atu1534 | 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. | Cytochrome-c oxidase, FixP chain; C-type cytochrome. Part of the cbb3-type cytochrome c oxidase complex. | 0.755 |
| 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 | 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 | norB | Atu4408 | Atu4388 | 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. | Nitric oxide reductase, cytochrome b subunit. | 0.673 |
| napA | norC | Atu4408 | Atu4389 | 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. | Nitric oxide reductase, cytochrome c-containing subunit. | 0.568 |
| 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 |