| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| STM4276 | nrfA | STM4276 | STM4277 | Putative cytoplasmic protein. | 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. | 0.773 |
| STM4276 | nrfB | STM4276 | STM4278 | Putative cytoplasmic protein. | Formate-dependent nitrite reductase; A penta-haeme cytochrome c; similar to E. coli formate-dependent nitrite reductase; a penta-haeme cytochrome c (AAC77041.1); Blastp hit to AAC77041.1 (190 aa), 88% identity in aa 1 - 190. | 0.693 |
| STM4276 | nrfC | STM4276 | STM4279 | Putative cytoplasmic protein. | Fe-S centers; similar to E. coli formate-dependent nitrite reductase; Fe-S centers (AAC77042.1); Blastp hit to AAC77042.1 (223 aa), 91% identity in aa 1 - 223. | 0.693 |
| STM4276 | nrfD | STM4276 | STM4280 | Putative cytoplasmic protein. | 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. | 0.693 |
| STM4276 | nrfE | STM4276 | STM4281 | Putative cytoplasmic protein. | Formate-dependent nitrite reductase; Possible subunit of a heme lyase. | 0.693 |
| STM4276 | nrfG | STM4276 | STM4282 | Putative cytoplasmic protein. | Involved in attachment of haem c to cytochrome c552; similar to E. coli part of formate-dependent nitrite reductase complex (AAD13459.1); Blastp hit to AAD13459.1 (198 aa), 71% identity in aa 6 - 196. | 0.693 |
| fdhF | fdnI | STM4285 | STM1568 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Nitrate-inducible; similar to E. coli formate dehydrogenase-N, nitrate-inducible, cytochrome B556(Fdn) gamma subunit (AAD13440.1); Blastp hit to AAD13440.1 (217 aa), 98% identity in aa 1 - 217. | 0.649 |
| fdhF | fdoI | STM4285 | STM4035 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Similar to E. coli formate dehydrogenase, cytochrome B556 (FDO) subunit (AAD13454.1); Blastp hit to AAD13454.1 (211 aa), 96% identity in aa 1 - 211. | 0.963 |
| fdhF | nrfA | STM4285 | STM4277 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 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. | 0.456 |
| fdhF | nrfC | STM4285 | STM4279 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | Fe-S centers; similar to E. coli formate-dependent nitrite reductase; Fe-S centers (AAC77042.1); Blastp hit to AAC77042.1 (223 aa), 91% identity in aa 1 - 223. | 0.720 |
| fdhF | nrfD | STM4285 | STM4280 | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 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. | 0.540 |
| fdnI | fdhF | STM1568 | STM4285 | Nitrate-inducible; similar to E. coli formate dehydrogenase-N, nitrate-inducible, cytochrome B556(Fdn) gamma subunit (AAD13440.1); Blastp hit to AAD13440.1 (217 aa), 98% identity in aa 1 - 217. | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 0.649 |
| fdnI | fdoI | STM1568 | STM4035 | Nitrate-inducible; similar to E. coli formate dehydrogenase-N, nitrate-inducible, cytochrome B556(Fdn) gamma subunit (AAD13440.1); Blastp hit to AAD13440.1 (217 aa), 98% identity in aa 1 - 217. | Similar to E. coli formate dehydrogenase, cytochrome B556 (FDO) subunit (AAD13454.1); Blastp hit to AAD13454.1 (211 aa), 96% identity in aa 1 - 211. | 0.907 |
| fdnI | nrfC | STM1568 | STM4279 | Nitrate-inducible; similar to E. coli formate dehydrogenase-N, nitrate-inducible, cytochrome B556(Fdn) gamma subunit (AAD13440.1); Blastp hit to AAD13440.1 (217 aa), 98% identity in aa 1 - 217. | Fe-S centers; similar to E. coli formate-dependent nitrite reductase; Fe-S centers (AAC77042.1); Blastp hit to AAC77042.1 (223 aa), 91% identity in aa 1 - 223. | 0.755 |
| fdnI | nrfD | STM1568 | STM4280 | Nitrate-inducible; similar to E. coli formate dehydrogenase-N, nitrate-inducible, cytochrome B556(Fdn) gamma subunit (AAD13440.1); Blastp hit to AAD13440.1 (217 aa), 98% identity in aa 1 - 217. | 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. | 0.500 |
| fdoI | fdhF | STM4035 | STM4285 | Similar to E. coli formate dehydrogenase, cytochrome B556 (FDO) subunit (AAD13454.1); Blastp hit to AAD13454.1 (211 aa), 96% identity in aa 1 - 211. | Formate dehydrogenase; Similar to E. coli selenopolypeptide subunit of formate dehydrogenase H (AAD13462.1); Blastp hit to AAD13462.1 (715 aa), 97% identity in aa 1 - 714; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. | 0.963 |
| fdoI | fdnI | STM4035 | STM1568 | Similar to E. coli formate dehydrogenase, cytochrome B556 (FDO) subunit (AAD13454.1); Blastp hit to AAD13454.1 (211 aa), 96% identity in aa 1 - 211. | Nitrate-inducible; similar to E. coli formate dehydrogenase-N, nitrate-inducible, cytochrome B556(Fdn) gamma subunit (AAD13440.1); Blastp hit to AAD13440.1 (217 aa), 98% identity in aa 1 - 217. | 0.907 |
| fdoI | nrfC | STM4035 | STM4279 | Similar to E. coli formate dehydrogenase, cytochrome B556 (FDO) subunit (AAD13454.1); Blastp hit to AAD13454.1 (211 aa), 96% identity in aa 1 - 211. | Fe-S centers; similar to E. coli formate-dependent nitrite reductase; Fe-S centers (AAC77042.1); Blastp hit to AAC77042.1 (223 aa), 91% identity in aa 1 - 223. | 0.760 |
| fdoI | nrfD | STM4035 | STM4280 | Similar to E. coli formate dehydrogenase, cytochrome B556 (FDO) subunit (AAD13454.1); Blastp hit to AAD13454.1 (211 aa), 96% identity in aa 1 - 211. | 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. | 0.661 |
| nrfA | STM4276 | STM4277 | STM4276 | 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. | Putative cytoplasmic protein. | 0.773 |