| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| murB | napB | HD_0081 | HD_0078 | UDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.474 |
| murB | napC | HD_0081 | HD_0079 | UDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. | Cytochrome c-type protein. | 0.486 |
| napA | napB | HD_0074 | HD_0078 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.999 |
| napA | napC | HD_0074 | HD_0079 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Cytochrome c-type protein. | 0.964 |
| napA | napD | HD_0074 | HD_0073 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Possible 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. | 0.999 |
| napA | napF | HD_0074 | HD_0072 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Ferredoxin-type protein NapF; 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. | 0.900 |
| napA | napG | HD_0074 | HD_0076 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Ferredoxin-type protein NapG. | 0.984 |
| napA | napH | HD_0074 | HD_0077 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Ferredoxin-type protein NapH. | 0.969 |
| napA | nrfA | HD_0074 | HD_0344 | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrate reductase, cytochrome c552; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.955 |
| napB | murB | HD_0078 | HD_0081 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | UDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. | 0.474 |
| napB | napA | HD_0078 | HD_0074 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic nitrate reductase; 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 | HD_0078 | HD_0079 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Cytochrome c-type protein. | 0.984 |
| napB | napD | HD_0078 | HD_0073 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Possible 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. | 0.956 |
| napB | napF | HD_0078 | HD_0072 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Ferredoxin-type protein NapF; 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. | 0.834 |
| napB | napG | HD_0078 | HD_0076 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Ferredoxin-type protein NapG. | 0.976 |
| napB | napH | HD_0078 | HD_0077 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Ferredoxin-type protein NapH. | 0.995 |
| napB | nrfA | HD_0078 | HD_0344 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Nitrate reductase, cytochrome c552; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.927 |
| napB | torZ | HD_0078 | HD_1394 | Possible cytochrome c-type protein; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | TMAO reductase 2; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 0.500 |
| napC | murB | HD_0079 | HD_0081 | Cytochrome c-type protein. | UDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. | 0.486 |
| napC | napA | HD_0079 | HD_0074 | Cytochrome c-type protein. | Periplasmic nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.964 |