| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| glnA | nirB | ebA4121 | ebA1216 | Glutamine synthetase protein. | Assimilatory nitrite reductase, large subunit; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.913 |
| glnA | nirD | ebA4121 | ebA1215 | Glutamine synthetase protein. | Assimilatory nitrite reductase, small subunit. | 0.919 |
| glnA | norVW | ebA4121 | ebA539 | Glutamine synthetase protein. | Fusion protein of nitric oxide reductase (flavorubredoxin NorV) with its associated reductase (NorW). | 0.469 |
| narA | narG | ebA1211 | ebA6286 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 0.902 |
| narA | narH | ebA1211 | ebA6285 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrate reductase, beta subunit. | 0.901 |
| narA | narI | ebA1211 | ebA6282 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrate reductase, gamma subunit. | 0.906 |
| narA | narK | ebA1211 | ebA1213 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrate transporter. | 0.981 |
| narA | narK1 | ebA1211 | ebA6289 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrate/proton symporter. | 0.922 |
| narA | narK2 | ebA1211 | ebA6288 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Nitrate/nitrite antiporter. | 0.911 |
| narA | nirB | ebA1211 | ebA1216 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Assimilatory nitrite reductase, large subunit; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.993 |
| narA | nirD | ebA1211 | ebA1215 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Assimilatory nitrite reductase, small subunit. | 0.983 |
| narA | norVW | ebA1211 | ebA539 | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | Fusion protein of nitric oxide reductase (flavorubredoxin NorV) with its associated reductase (NorW). | 0.523 |
| narG | narA | ebA6286 | ebA1211 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Assimilatory nitrate reductase; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. | 0.902 |
| narG | narH | ebA6286 | ebA6285 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrate reductase, beta subunit. | 0.999 |
| narG | narI | ebA6286 | ebA6282 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrate reductase, gamma subunit. | 0.998 |
| narG | narK | ebA6286 | ebA1213 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrate transporter. | 0.985 |
| narG | narK1 | ebA6286 | ebA6289 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrate/proton symporter. | 0.994 |
| narG | narK2 | ebA6286 | ebA6288 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrate/nitrite antiporter. | 0.995 |
| narG | nirB | ebA6286 | ebA1216 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Assimilatory nitrite reductase, large subunit; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.944 |
| narG | nirD | ebA6286 | ebA1215 | Nitrate reductase, alpha chain; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Assimilatory nitrite reductase, small subunit. | 0.948 |