| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| FCCB | FCCC | WS0122 | WS0121 | FLAVOCYTOCHROME C HEME SUBUNIT. | PUTATIVE TETRAHEME CYTOCHROME C. | 0.925 |
| FCCC | FCCB | WS0121 | WS0122 | PUTATIVE TETRAHEME CYTOCHROME C. | FLAVOCYTOCHROME C HEME SUBUNIT. | 0.925 |
| FCCC | NAPB | WS0121 | WS1174 | PUTATIVE TETRAHEME CYTOCHROME C. | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. | 0.861 |
| FCCC | NRFA | WS0121 | WS0969 | PUTATIVE TETRAHEME CYTOCHROME C. | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | 0.840 |
| FCCC | NRFH | WS0121 | WS0970 | PUTATIVE TETRAHEME CYTOCHROME C. | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. | 0.604 |
| NAPB | FCCC | WS1174 | WS0121 | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. | PUTATIVE TETRAHEME CYTOCHROME C. | 0.861 |
| NAPB | NRFA | WS1174 | WS0969 | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | 0.941 |
| NAPB | NRFH | WS1174 | WS0970 | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. | 0.986 |
| NRFA | FCCC | WS0969 | WS0121 | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | PUTATIVE TETRAHEME CYTOCHROME C. | 0.840 |
| NRFA | NAPB | WS0969 | WS1174 | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. | 0.941 |
| NRFA | NRFH | WS0969 | WS0970 | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. | 0.999 |
| NRFA | mccA | WS0969 | WS0379 | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | Hypothetical protein; Respiratory sulfite reductase that catalyzes the reduction of sulfite to sulfide in a single step, consuming six electrons in the process. Required for sulfite respiration under anaerobic growth conditions. Has only marginal activity with nitrite; Belongs to the multiheme cytochrome c family. | 0.514 |
| NRFH | FCCC | WS0970 | WS0121 | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. | PUTATIVE TETRAHEME CYTOCHROME C. | 0.604 |
| NRFH | NAPB | WS0970 | WS1174 | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. | PERIPLASMIC NITRATE REDUCTASE SMALL SUBUNIT CYTOCHROME C-TYPEPROTEIN; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Transfers electrons to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor. | 0.986 |
| NRFH | NRFA | WS0970 | WS0969 | SMALL SUBUNIT OF CYTOCHROME C NITRITE REDUCTASE; Subunit of the nitrite reductase complex that mediates electron transfer from quinol to the catalytic subunit. | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | 0.999 |
| mccA | NRFA | WS0379 | WS0969 | Hypothetical protein; Respiratory sulfite reductase that catalyzes the reduction of sulfite to sulfide in a single step, consuming six electrons in the process. Required for sulfite respiration under anaerobic growth conditions. Has only marginal activity with nitrite; Belongs to the multiheme cytochrome c family. | CYTOCHROME C NITRITE REDUCTASE; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine, and even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH. | 0.514 |