| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| STM0610 | napD | STM0610 | STM2260 | Putative component of anaerobic dehydrogenases; Similar to E. coli putative oxidoreductase component (AAC74663.1); Blastp hit to AAC74663.1 (207 aa), 30% identity in aa 78 - 196. | 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. | 0.896 |
| STM2527 | napB | STM2527 | STM2256 | Putative polyferredoxin; Similar to E. coli hydrogenase 4 Fe-S subunit (AAC75541.1); Blastp hit to AAC75541.1 (181 aa), 36% identity in aa 33 - 124, 40% identity in aa 42 - 90. | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.581 |
| STM2527 | napC | STM2527 | STM2255 | Putative polyferredoxin; Similar to E. coli hydrogenase 4 Fe-S subunit (AAC75541.1); Blastp hit to AAC75541.1 (181 aa), 36% identity in aa 33 - 124, 40% identity in aa 42 - 90. | 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. | 0.519 |
| STM2527 | napD | STM2527 | STM2260 | Putative polyferredoxin; Similar to E. coli hydrogenase 4 Fe-S subunit (AAC75541.1); Blastp hit to AAC75541.1 (181 aa), 36% identity in aa 33 - 124, 40% identity in aa 42 - 90. | 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. | 0.914 |
| STM2527 | napH | STM2527 | STM2257 | Putative polyferredoxin; Similar to E. coli hydrogenase 4 Fe-S subunit (AAC75541.1); Blastp hit to AAC75541.1 (181 aa), 36% identity in aa 33 - 124, 40% identity in aa 42 - 90. | 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. | 0.500 |
| 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 |
| fdoG | napB | STM4037 | STM2256 | Similar to E. coli formate dehydrogenase-O, major subunit (AAD13456.1); Blastp hit to AAD13456.1 (1016 aa), 93% identity in aa 1 - 1016. | Periplasmic small subunit nitrate reductase of cytochrome C550; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB; Belongs to the NapB family. | 0.848 |
| fdoG | napC | STM4037 | STM2255 | Similar to E. coli formate dehydrogenase-O, major subunit (AAD13456.1); Blastp hit to AAD13456.1 (1016 aa), 93% identity in aa 1 - 1016. | 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. | 0.593 |
| fdoG | napD | STM4037 | STM2260 | Similar to E. coli formate dehydrogenase-O, major subunit (AAD13456.1); Blastp hit to AAD13456.1 (1016 aa), 93% identity in aa 1 - 1016. | 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 |
| fdoG | napG | STM4037 | STM2258 | Similar to E. coli formate dehydrogenase-O, major subunit (AAD13456.1); Blastp hit to AAD13456.1 (1016 aa), 93% identity in aa 1 - 1016. | 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. | 0.494 |
| fdoG | napH | STM4037 | STM2257 | Similar to E. coli formate dehydrogenase-O, major subunit (AAD13456.1); Blastp hit to AAD13456.1 (1016 aa), 93% identity in aa 1 - 1016. | 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. | 0.592 |
| 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 |