| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Rmet_3331 | narH | Rmet_3331 | Rmet_2075 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Nitrate reductase 1, beta (Fe-S) subunit. | 0.536 |
| Rmet_3331 | nirC | Rmet_3331 | Rmet_2079 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Cytochrome c55X (precursor). | 0.926 |
| Rmet_3331 | nirF | Rmet_3331 | Rmet_2080 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Cytochrome d1, heme region. | 0.729 |
| Rmet_3331 | nirG | Rmet_3331 | Rmet_2081 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Transcriptional Regulator, AsnC family. | 0.899 |
| Rmet_3331 | nirH | Rmet_3331 | Rmet_6507 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Nitrite reductase heme biosynthesis H protein. | 0.897 |
| Rmet_3331 | nirJ | Rmet_3331 | Rmet_2082 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Heme d1 biosynthesis protein NirJ. | 0.859 |
| Rmet_3331 | nirJ-2 | Rmet_3331 | Rmet_3170 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Heme d1 biosynthesis protein NirJ. | 0.861 |
| Rmet_3331 | nirN | Rmet_3331 | Rmet_3169 | Cytochrome c, class I:Cytochrome d1, heme region precursor. | Nitrite reductase (NO-forming). | 0.897 |
| cynT | narH | Rmet_2078 | Rmet_2075 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Nitrate reductase 1, beta (Fe-S) subunit. | 0.615 |
| cynT | narI | Rmet_2078 | Rmet_2077 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Nitrate reductase 1, gamma (cytochrome b(NR)) subunit. | 0.767 |
| cynT | nirC | Rmet_2078 | Rmet_2079 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Cytochrome c55X (precursor). | 0.776 |
| cynT | nirF | Rmet_2078 | Rmet_2080 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Cytochrome d1, heme region. | 0.777 |
| cynT | nirG | Rmet_2078 | Rmet_2081 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Transcriptional Regulator, AsnC family. | 0.776 |
| cynT | nirH | Rmet_2078 | Rmet_6507 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Nitrite reductase heme biosynthesis H protein. | 0.773 |
| cynT | nirJ | Rmet_2078 | Rmet_2082 | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | Heme d1 biosynthesis protein NirJ. | 0.775 |
| narH | Rmet_3331 | Rmet_2075 | Rmet_3331 | Nitrate reductase 1, beta (Fe-S) subunit. | Cytochrome c, class I:Cytochrome d1, heme region precursor. | 0.536 |
| narH | cynT | Rmet_2075 | Rmet_2078 | Nitrate reductase 1, beta (Fe-S) subunit. | Carbonic anhydrase; Reversible hydration of carbon dioxide. Belongs to the beta-class carbonic anhydrase family. | 0.615 |
| narH | narI | Rmet_2075 | Rmet_2077 | Nitrate reductase 1, beta (Fe-S) subunit. | Nitrate reductase 1, gamma (cytochrome b(NR)) subunit. | 0.999 |
| narH | nirC | Rmet_2075 | Rmet_2079 | Nitrate reductase 1, beta (Fe-S) subunit. | Cytochrome c55X (precursor). | 0.786 |
| narH | nirF | Rmet_2075 | Rmet_2080 | Nitrate reductase 1, beta (Fe-S) subunit. | Cytochrome d1, heme region. | 0.667 |