| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| ccoO, | norC | RPA0018 | RPA1455 | Cytochrome-c oxidase fixO chain; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitric-oxide reductase subunit C. | 0.819 |
| ccoO, | norE | RPA0018 | RPA1453 | Cytochrome-c oxidase fixO chain; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Putative denitrification protein NorE. | 0.516 |
| ccoO, | nosR | RPA0018 | RPA2060 | Cytochrome-c oxidase fixO chain; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Regulatory protein NosR. | 0.502 |
| nirK1 | nirK2 | RPA3306 | RPA4145 | Nitrite reductase, major outer membrane copper-containing protein; Belongs to the multicopper oxidase family. | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | 0.901 |
| nirK1 | norB | RPA3306 | RPA1456 | Nitrite reductase, major outer membrane copper-containing protein; Belongs to the multicopper oxidase family. | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | 0.969 |
| nirK1 | norC | RPA3306 | RPA1455 | Nitrite reductase, major outer membrane copper-containing protein; Belongs to the multicopper oxidase family. | Nitric-oxide reductase subunit C. | 0.957 |
| nirK1 | norD | RPA3306 | RPA1458 | Nitrite reductase, major outer membrane copper-containing protein; Belongs to the multicopper oxidase family. | Dinitrification protein NorD. | 0.495 |
| nirK2 | nirK1 | RPA4145 | RPA3306 | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | Nitrite reductase, major outer membrane copper-containing protein; Belongs to the multicopper oxidase family. | 0.901 |
| nirK2 | norB | RPA4145 | RPA1456 | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | 0.969 |
| nirK2 | norC | RPA4145 | RPA1455 | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | Nitric-oxide reductase subunit C. | 0.956 |
| nirK2 | norD | RPA4145 | RPA1458 | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | Dinitrification protein NorD. | 0.484 |
| nirK2 | nosZ | RPA4145 | RPA2061 | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | Nitrous-oxide reductase precursor NosZ; Nitrous-oxide reductase is part of a bacterial respiratory system which is activated under anaerobic conditions in the presence of nitrate or nitrous oxide; In the C-terminal section; belongs to the cytochrome c oxidase subunit 2 family. | 0.537 |
| norB | nirK1 | RPA1456 | RPA3306 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Nitrite reductase, major outer membrane copper-containing protein; Belongs to the multicopper oxidase family. | 0.969 |
| norB | nirK2 | RPA1456 | RPA4145 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Dissimilatory nitrite reductase; Belongs to the multicopper oxidase family. | 0.969 |
| norB | norC | RPA1456 | RPA1455 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Nitric-oxide reductase subunit C. | 0.999 |
| norB | norD | RPA1456 | RPA1458 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Dinitrification protein NorD. | 0.989 |
| norB | norE | RPA1456 | RPA1453 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Putative denitrification protein NorE. | 0.851 |
| norB | norQ | RPA1456 | RPA1457 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Regulatory protein NorQ, probable ATPase. | 0.976 |
| norB | nosD | RPA1456 | RPA2062 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Putative periplasmic ABC transport copper binding protein. | 0.905 |
| norB | nosR | RPA1456 | RPA2060 | Nitric-oxide reductase subunit B; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished; Belongs to the heme-copper respiratory oxidase family. | Regulatory protein NosR. | 0.973 |