| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Atu4385 | norB | Atu4385 | Atu4388 | Conserved hypothetical protein. | Nitric oxide reductase, cytochrome b subunit. | 0.633 |
| Atu4385 | norC | Atu4385 | Atu4389 | Conserved hypothetical protein. | Nitric oxide reductase, cytochrome c-containing subunit. | 0.530 |
| Atu4385 | norD | Atu4385 | Atu4386 | Conserved hypothetical protein. | Nitric oxide reductase NorD protein. | 0.820 |
| Atu4385 | norQ | Atu4385 | Atu4387 | Conserved hypothetical protein. | Nitric oxide reductase NorQ protein. | 0.640 |
| napC | nirK | Atu4410 | Atu4382 | Periplasmic nitrate reductase, cytochrome c-type protein. | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | 0.589 |
| napC | nnrR | Atu4410 | Atu4380 | Periplasmic nitrate reductase, cytochrome c-type protein. | Transcriptional regulatory, Crp family. | 0.556 |
| napC | norB | Atu4410 | Atu4388 | Periplasmic nitrate reductase, cytochrome c-type protein. | Nitric oxide reductase, cytochrome b subunit. | 0.481 |
| napC | norC | Atu4410 | Atu4389 | Periplasmic nitrate reductase, cytochrome c-type protein. | Nitric oxide reductase, cytochrome c-containing subunit. | 0.478 |
| napC | norD | Atu4410 | Atu4386 | Periplasmic nitrate reductase, cytochrome c-type protein. | Nitric oxide reductase NorD protein. | 0.646 |
| napC | norF | Atu4410 | Atu8197 | Periplasmic nitrate reductase, cytochrome c-type protein. | NorF protein. | 0.452 |
| napC | norQ | Atu4410 | Atu4387 | Periplasmic nitrate reductase, cytochrome c-type protein. | Nitric oxide reductase NorQ protein. | 0.555 |
| nirK | napC | Atu4382 | Atu4410 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Periplasmic nitrate reductase, cytochrome c-type protein. | 0.589 |
| nirK | nirV | Atu4382 | Atu4381 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Nitrite reductase, NirV precursor. | 0.890 |
| nirK | nnrR | Atu4382 | Atu4380 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Transcriptional regulatory, Crp family. | 0.895 |
| nirK | norB | Atu4382 | Atu4388 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Nitric oxide reductase, cytochrome b subunit. | 0.984 |
| nirK | norC | Atu4382 | Atu4389 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Nitric oxide reductase, cytochrome c-containing subunit. | 0.968 |
| nirK | norD | Atu4382 | Atu4386 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Nitric oxide reductase NorD protein. | 0.778 |
| nirK | norE | Atu4382 | Atu4391 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Nitric oxide reductase NorE protein. | 0.523 |
| nirK | norQ | Atu4382 | Atu4387 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Nitric oxide reductase NorQ protein. | 0.679 |
| nirV | nirK | Atu4381 | Atu4382 | Nitrite reductase, NirV precursor. | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | 0.890 |