| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| RPA0980 | RPA0981 | RPA0980 | RPA0981 | Sensor histidine kinase with a PAS domain. | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | 0.822 |
| RPA0980 | anfA | RPA0980 | RPA1439 | Sensor histidine kinase with a PAS domain. | Sigma-54 dependent, Iron nitrogenase transcriptional regulator, AnfA. | 0.750 |
| RPA0980 | nifA | RPA0980 | RPA4632 | Sensor histidine kinase with a PAS domain. | Mo/Fe nitrogenase specific transcriptional regulator, NifA; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.750 |
| RPA0980 | vnfA | RPA0980 | RPA1374 | Sensor histidine kinase with a PAS domain. | Sigma-54 dependent, Vanadium nitrogenase transcriptional regulator, VnfA. | 0.750 |
| RPA0981 | RPA0980 | RPA0981 | RPA0980 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Sensor histidine kinase with a PAS domain. | 0.822 |
| RPA0981 | RPA1313 | RPA0981 | RPA1313 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Sensor histidine kinase with multiple PAS/PAC domains. | 0.692 |
| RPA0981 | anfA | RPA0981 | RPA1439 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Sigma-54 dependent, Iron nitrogenase transcriptional regulator, AnfA. | 0.835 |
| RPA0981 | fixJ | RPA0981 | RPA4248 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Two-component nitrogen fixation transcriptional regulator fixJ, LuxR family; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.621 |
| RPA0981 | fixL | RPA0981 | RPA4247 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Two component low oxygen sensor histidine kinase with PAS domains, fixL; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.667 |
| RPA0981 | nifA | RPA0981 | RPA4632 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Mo/Fe nitrogenase specific transcriptional regulator, NifA; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.809 |
| RPA0981 | rpoN | RPA0981 | RPA0050 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | RNA polymerase sigma 54 subunit, RpoN; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. | 0.468 |
| RPA0981 | vnfA | RPA0981 | RPA1374 | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | Sigma-54 dependent, Vanadium nitrogenase transcriptional regulator, VnfA. | 0.835 |
| RPA1313 | RPA0981 | RPA1313 | RPA0981 | Sensor histidine kinase with multiple PAS/PAC domains. | Sensor histidine kinase with multiple PAS and a response regulator receiver domain. | 0.692 |
| RPA1313 | anfA | RPA1313 | RPA1439 | Sensor histidine kinase with multiple PAS/PAC domains. | Sigma-54 dependent, Iron nitrogenase transcriptional regulator, AnfA. | 0.789 |
| RPA1313 | fixJ | RPA1313 | RPA4248 | Sensor histidine kinase with multiple PAS/PAC domains. | Two-component nitrogen fixation transcriptional regulator fixJ, LuxR family; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.825 |
| RPA1313 | fixL | RPA1313 | RPA4247 | Sensor histidine kinase with multiple PAS/PAC domains. | Two component low oxygen sensor histidine kinase with PAS domains, fixL; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.405 |
| RPA1313 | nifA | RPA1313 | RPA4632 | Sensor histidine kinase with multiple PAS/PAC domains. | Mo/Fe nitrogenase specific transcriptional regulator, NifA; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.780 |
| RPA1313 | vnfA | RPA1313 | RPA1374 | Sensor histidine kinase with multiple PAS/PAC domains. | Sigma-54 dependent, Vanadium nitrogenase transcriptional regulator, VnfA. | 0.788 |
| RPA2608 | anfA | RPA2608 | RPA1439 | Possible sulfonate binding protein. | Sigma-54 dependent, Iron nitrogenase transcriptional regulator, AnfA. | 0.703 |
| RPA2608 | nifA | RPA2608 | RPA4632 | Possible sulfonate binding protein. | Mo/Fe nitrogenase specific transcriptional regulator, NifA; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.467 |