| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| fixG | fnrN | Atu1530 | Atu1602 | Nitrogen fixation protein FixG. | Transcriptional activator, Crp family. | 0.653 |
| fixG | hemN-2 | Atu1530 | Atu1601 | Nitrogen fixation protein FixG. | Oxygen-independent coproporphyrinogen III oxidase; Belongs to the anaerobic coproporphyrinogen-III oxidase family. | 0.927 |
| fnrN | fixG | Atu1602 | Atu1530 | Transcriptional activator, Crp family. | Nitrogen fixation protein FixG. | 0.653 |
| fnrN | hemN-2 | Atu1602 | Atu1601 | Transcriptional activator, Crp family. | Oxygen-independent coproporphyrinogen III oxidase; Belongs to the anaerobic coproporphyrinogen-III oxidase family. | 0.756 |
| fnrN | nirK | Atu1602 | Atu4382 | Transcriptional activator, Crp family. | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | 0.546 |
| fnrN | pdhB | Atu1602 | Atu1430 | Transcriptional activator, Crp family. | Pyruvate dehydrogenase beta subunit; The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO2. | 0.692 |
| fnrN | rnpO | Atu1602 | Atu1029 | Transcriptional activator, Crp family. | DNA-directed RNA polymerase omega subunit; Promotes RNA polymerase assembly. Latches the N- and C- terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits. | 0.656 |
| fnrN | rpoA | Atu1602 | Atu1923 | Transcriptional activator, Crp family. | DNA-directed RNA polymerase alpha subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. | 0.670 |
| fnrN | rpoB | Atu1602 | Atu1956 | Transcriptional activator, Crp family. | DNA-directed RNA polymerase beta chain; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. | 0.682 |
| fnrN | rpoC | Atu1602 | Atu1955 | Transcriptional activator, Crp family. | DNA-directed RNA polymerase beta' chain; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. | 0.650 |
| fnrN | rpoN | Atu1602 | Atu0332 | Transcriptional activator, Crp family. | RNA polymerase sigma-54 factor; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. | 0.660 |
| fnrN | sinR | Atu1602 | Atu2394 | Transcriptional activator, Crp family. | Regulator of Biofilm formation, Fnr Family. | 0.696 |
| hemN-2 | fixG | Atu1601 | Atu1530 | Oxygen-independent coproporphyrinogen III oxidase; Belongs to the anaerobic coproporphyrinogen-III oxidase family. | Nitrogen fixation protein FixG. | 0.927 |
| hemN-2 | fnrN | Atu1601 | Atu1602 | Oxygen-independent coproporphyrinogen III oxidase; Belongs to the anaerobic coproporphyrinogen-III oxidase family. | Transcriptional activator, Crp family. | 0.756 |
| hemN-2 | sinR | Atu1601 | Atu2394 | Oxygen-independent coproporphyrinogen III oxidase; Belongs to the anaerobic coproporphyrinogen-III oxidase family. | Regulator of Biofilm formation, Fnr Family. | 0.415 |
| nirK | fnrN | Atu4382 | Atu1602 | Nitrite reductase, copper-containing; Belongs to the multicopper oxidase family. | Transcriptional activator, Crp family. | 0.546 |
| pdhB | fnrN | Atu1430 | Atu1602 | Pyruvate dehydrogenase beta subunit; The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO2. | Transcriptional activator, Crp family. | 0.692 |
| pdhB | sinR | Atu1430 | Atu2394 | Pyruvate dehydrogenase beta subunit; The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO2. | Regulator of Biofilm formation, Fnr Family. | 0.692 |
| rnpO | fnrN | Atu1029 | Atu1602 | DNA-directed RNA polymerase omega subunit; Promotes RNA polymerase assembly. Latches the N- and C- terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits. | Transcriptional activator, Crp family. | 0.656 |
| rnpO | rpoA | Atu1029 | Atu1923 | DNA-directed RNA polymerase omega subunit; Promotes RNA polymerase assembly. Latches the N- and C- terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits. | DNA-directed RNA polymerase alpha subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. | 0.995 |