| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| SO_0471 | napA | SO_0471 | SO_0848 | FMN-dependent nitronate monooxygenase. | 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. | 0.900 |
| SO_0471 | napB | SO_0471 | SO_0845 | FMN-dependent nitronate monooxygenase. | 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. | 0.900 |
| SO_0471 | nrfA | SO_0471 | SO_3980 | FMN-dependent nitronate monooxygenase. | 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. | 0.900 |
| cymA | napA | SO_4591 | SO_0848 | Membrane anchored tetraheme cytochrome c CymA. | 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. | 0.986 |
| cymA | napB | SO_4591 | SO_0845 | Membrane anchored tetraheme cytochrome c CymA. | 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. | 0.989 |
| cymA | napD | SO_4591 | SO_0849 | Membrane anchored tetraheme cytochrome c CymA. | 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. | 0.935 |
| cymA | napF | SO_4591 | SO_1663 | Membrane anchored tetraheme cytochrome c CymA. | Nitrate reductase (NapA) maturase 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. | 0.844 |
| cymA | napG | SO_4591 | SO_0847 | Membrane anchored tetraheme cytochrome c CymA. | Periplasmic nitrate reductase ferredoxin component NapG. | 0.891 |
| cymA | napH | SO_4591 | SO_0846 | Membrane anchored tetraheme cytochrome c CymA. | Quinol dehydrogenase ferredoxin subunit NapH. | 0.944 |
| cymA | nrfA | SO_4591 | SO_3980 | Membrane anchored tetraheme cytochrome c CymA. | 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. | 0.976 |
| cysJ | napA | SO_3738 | SO_0848 | Sulfite reductase (NADPH) flavoprotein subunit CysJ; Component of the sulfite reductase complex that catalyzes the 6-electron reduction of sulfite to sulfide. This is one of several activities required for the biosynthesis of L-cysteine from sulfate. The flavoprotein component catalyzes the electron flow from NADPH -> FAD -> FMN to the hemoprotein component; Belongs to the NADPH-dependent sulphite reductase flavoprotein subunit CysJ family. In the C-terminal section; belongs to the flavoprotein pyridine nucleotide cytochrome reductase 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. | 0.900 |
| napA | SO_0471 | SO_0848 | SO_0471 | 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. | FMN-dependent nitronate monooxygenase. | 0.900 |
| napA | cymA | SO_0848 | SO_4591 | 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. | Membrane anchored tetraheme cytochrome c CymA. | 0.986 |
| napA | cysJ | SO_0848 | SO_3738 | 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. | Sulfite reductase (NADPH) flavoprotein subunit CysJ; Component of the sulfite reductase complex that catalyzes the 6-electron reduction of sulfite to sulfide. This is one of several activities required for the biosynthesis of L-cysteine from sulfate. The flavoprotein component catalyzes the electron flow from NADPH -> FAD -> FMN to the hemoprotein component; Belongs to the NADPH-dependent sulphite reductase flavoprotein subunit CysJ family. In the C-terminal section; belongs to the flavoprotein pyridine nucleotide cytochrome reductase family. | 0.900 |
| 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 | napF | SO_0848 | SO_1663 | 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. | Nitrate reductase (NapA) maturase 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. | 0.896 |
| 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 |