| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Atu0159 | nrtB | Atu0159 | Atu3904 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, membrane spanning protein (nitrate). | 0.846 |
| Atu0159 | nrtC-2 | Atu0159 | Atu3906 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, nucleotide binding/ATPase protein (nitrate). | 0.651 |
| Atu0159 | ntrA | Atu0159 | Atu3905 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, substrate binding protein (nitrate). | 0.579 |
| Atu1047 | nrtB | Atu1047 | Atu3904 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, membrane spanning protein (nitrate). | 0.797 |
| Atu1047 | nrtC-2 | Atu1047 | Atu3906 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, nucleotide binding/ATPase protein (nitrate). | 0.532 |
| Atu1047 | ntrA | Atu1047 | Atu3905 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, substrate binding protein (nitrate). | 0.497 |
| Atu4261 | nrtB | Atu4261 | Atu3904 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, membrane spanning protein (nitrate). | 0.787 |
| Atu4261 | nrtC-2 | Atu4261 | Atu3906 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, nucleotide binding/ATPase protein (nitrate). | 0.559 |
| Atu4261 | ntrA | Atu4261 | Atu3905 | ABC transporter, nucleotide binding/ATPase protein. | ABC transporter, substrate binding protein (nitrate). | 0.540 |
| nasA | nasT | Atu3900 | Atu3907 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Two component response regulator. | 0.864 |
| nasA | nirB | Atu3900 | Atu3902 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrite reductase large subunit; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.997 |
| nasA | nirD | Atu3900 | Atu3901 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrite reductase small subunit. | 0.994 |
| nasA | nrtB | Atu3900 | Atu3904 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | ABC transporter, membrane spanning protein (nitrate). | 0.973 |
| nasA | nrtC | Atu3900 | Atu3903 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | ABC transporter, nucleotide binding/ATPase protein (nitrate). | 0.985 |
| nasA | nrtC-2 | Atu3900 | Atu3906 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | ABC transporter, nucleotide binding/ATPase protein (nitrate). | 0.853 |
| nasA | ntrA | Atu3900 | Atu3905 | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | ABC transporter, substrate binding protein (nitrate). | 0.985 |
| nasT | nasA | Atu3907 | Atu3900 | Two component response regulator. | Nitrate reductase large subunit; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | 0.864 |
| nasT | nirB | Atu3907 | Atu3902 | Two component response regulator. | Nitrite reductase large subunit; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.871 |
| nasT | nirD | Atu3907 | Atu3901 | Two component response regulator. | Nitrite reductase small subunit. | 0.873 |
| nasT | nrtB | Atu3907 | Atu3904 | Two component response regulator. | ABC transporter, membrane spanning protein (nitrate). | 0.525 |