| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| napA | napB | SO_0848 | SO_0845 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | 0.999 |
| napA | napD | SO_0848 | SO_0849 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase chaperone NapD; 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 | napG | SO_0848 | SO_0847 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic nitrate reductase ferredoxin component NapG. | 0.990 |
| napA | napH | SO_0848 | SO_0846 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Quinol dehydrogenase ferredoxin subunit NapH. | 0.992 |
| napA | nrfA | SO_0848 | SO_3980 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Ammonia-forming nitrite reductase NrfA; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine. Has even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH (By similarity); Belongs to the cytochrome c-552 family. | 0.992 |
| napA | torA | SO_0848 | SO_1232 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | trimethylamine-N-oxide reductase TorA; Reduces trimethylamine-N-oxide (TMAO) into trimethylamine; an anaerobic reaction coupled to energy-yielding reactions. | 0.443 |
| napA | torC | SO_0848 | SO_1233 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Trimethylamine N-oxide reductase membrane anchored cytochrome c component TorC; Belongs to the TorC/TorY family. | 0.966 |
| napA | torD | SO_0848 | SO_1231 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | TorA-specific chaperone TorD; Involved in the biogenesis of TorA. Acts on TorA before the insertion of the molybdenum cofactor and, as a result, probably favors a conformation of the apoenzyme that is competent for acquiring the cofactor; Belongs to the TorD/DmsD family. TorD subfamily. | 0.730 |
| napA | torE | SO_0848 | SO_1234 | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Transmembrane component of the trimethylamine N-oxide reductase system TorE. | 0.433 |
| napB | napA | SO_0845 | SO_0848 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.999 |
| napB | napD | SO_0845 | SO_0849 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | Periplasmic nitrate reductase chaperone NapD; 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. | 0.998 |
| napB | napG | SO_0845 | SO_0847 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | Periplasmic nitrate reductase ferredoxin component NapG. | 0.998 |
| napB | napH | SO_0845 | SO_0846 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | Quinol dehydrogenase ferredoxin subunit NapH. | 0.998 |
| napB | nrfA | SO_0845 | SO_3980 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | Ammonia-forming nitrite reductase NrfA; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine. Has even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH (By similarity); Belongs to the cytochrome c-552 family. | 0.978 |
| napB | torA | SO_0845 | SO_1232 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | trimethylamine-N-oxide reductase TorA; Reduces trimethylamine-N-oxide (TMAO) into trimethylamine; an anaerobic reaction coupled to energy-yielding reactions. | 0.821 |
| napB | torC | SO_0845 | SO_1233 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | Trimethylamine N-oxide reductase membrane anchored cytochrome c component TorC; Belongs to the TorC/TorY family. | 0.976 |
| napB | torD | SO_0845 | SO_1231 | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | TorA-specific chaperone TorD; Involved in the biogenesis of TorA. Acts on TorA before the insertion of the molybdenum cofactor and, as a result, probably favors a conformation of the apoenzyme that is competent for acquiring the cofactor; Belongs to the TorD/DmsD family. TorD subfamily. | 0.546 |
| napD | napA | SO_0849 | SO_0848 | Periplasmic nitrate reductase chaperone NapD; 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. | Periplasmic nitrate reductase molybdopterin-binding subunit NapA; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | 0.999 |
| napD | napB | SO_0849 | SO_0845 | Periplasmic nitrate reductase chaperone NapD; 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. | Periplasmic nitrate reductase cytochrome c subunit NapB; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type CymA protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Not essential for nitrate reduction but confers advantage to the organism when grown on nitrate and thereby a fitness gain in utilizing nitrate. Belongs to the NapB family. | 0.998 |
| napD | napG | SO_0849 | SO_0847 | Periplasmic nitrate reductase chaperone NapD; 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. | Periplasmic nitrate reductase ferredoxin component NapG. | 0.992 |