| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| fdnG | napB | STM1570 | STM2256 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.816 |
| fdnG | napC | STM1570 | STM2255 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Periplasmic nitrate reductase; Cytochrome c-type biogenesis protein; similar to E. coli cytochrome c-type protein (AAC75262.1); Blastp hit to AAC75262.1 (200 aa), 88% identity in aa 1 - 200. | 0.555 |
| fdnG | napD | STM1570 | STM2260 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Periplasmic nitrate reductase; 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. | 0.840 |
| fdnG | napG | STM1570 | STM2258 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Ferredoxin-type protein; Electron transfer; similar to E. coli ferredoxin-type protein: electron transfer (AAC75265.1); Blastp hit to AAC75265.1 (231 aa), 94% identity in aa 1 - 231. | 0.495 |
| fdnG | napH | STM1570 | STM2257 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Ferredoxin-type protein; Electron transfer; similar to E. coli ferredoxin-type protein: electron transfer (AAC75264.1); Blastp hit to AAC75264.1 (287 aa), 88% identity in aa 1 - 280. | 0.712 |
| fdnG | nrfD | STM1570 | STM4280 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Similar to E. coli formate-dependent nitrate reductase complex; transmembrane protein (AAC77043.1); Blastp hit to AAC77043.1 (318 aa), 85% identity in aa 1 - 318. | 0.530 |
| fdnG | torC | STM1570 | STM3823 | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | Trimethylamine N-oxide reductase; Cytochrome c-type subunit; also has activity as negativer regulator of tor operon; similar to E. coli trimethylamine N-oxide reductase, cytochrome c-type subunit (AAC74081.1); Blastp hit to AAC74081.1 (390 aa), 90% identity in aa 1 - 388; Belongs to the TorC/TorY family. | 0.762 |
| napA | napB | STM2259 | STM2256 | Periplasmic large subunit nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.999 |
| napA | napC | STM2259 | STM2255 | Periplasmic large subunit nitrate reductase; 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-type biogenesis protein; similar to E. coli cytochrome c-type protein (AAC75262.1); Blastp hit to AAC75262.1 (200 aa), 88% identity in aa 1 - 200. | 0.992 |
| napA | napD | STM2259 | STM2260 | Periplasmic large subunit nitrate reductase; 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 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 | STM2259 | STM2261 | Periplasmic large subunit 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; 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. | 0.995 |
| napA | napG | STM2259 | STM2258 | Periplasmic large subunit 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; Electron transfer; similar to E. coli ferredoxin-type protein: electron transfer (AAC75265.1); Blastp hit to AAC75265.1 (231 aa), 94% identity in aa 1 - 231. | 0.997 |
| napA | napH | STM2259 | STM2257 | Periplasmic large subunit 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; Electron transfer; similar to E. coli ferredoxin-type protein: electron transfer (AAC75264.1); Blastp hit to AAC75264.1 (287 aa), 88% identity in aa 1 - 280. | 0.998 |
| napA | nrfA | STM2259 | STM4277 | Periplasmic large subunit nitrate reductase; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite. | Nitrite reductase periplasmic cytochrome c(552); Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.983 |
| napA | torC | STM2259 | STM3823 | Periplasmic large subunit nitrate reductase; 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; Cytochrome c-type subunit; also has activity as negativer regulator of tor operon; similar to E. coli trimethylamine N-oxide reductase, cytochrome c-type subunit (AAC74081.1); Blastp hit to AAC74081.1 (390 aa), 90% identity in aa 1 - 388; Belongs to the TorC/TorY family. | 0.952 |
| napB | fdnG | STM2256 | STM1570 | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Putative molybdopterin oxidoreductases; Similar to E. coli formate dehydrogenase-N, nitrate-inducible, alpha subunit (AAD13438.1); Blastp hit to AAD13438.1 (1015 aa), 93% identity in aa 1 - 1015; contains selenocysteine tRNA suppressible codon. | 0.816 |
| napB | napA | STM2256 | STM2259 | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic large subunit 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 | STM2256 | STM2255 | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic nitrate reductase; Cytochrome c-type biogenesis protein; similar to E. coli cytochrome c-type protein (AAC75262.1); Blastp hit to AAC75262.1 (200 aa), 88% identity in aa 1 - 200. | 0.999 |
| napB | napD | STM2256 | STM2260 | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Periplasmic nitrate reductase; 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. | 0.994 |
| napB | napF | STM2256 | STM2261 | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | Ferredoxin-type protein; 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. | 0.958 |