| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| anfK | nifB | RPA1435 | RPA4630 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.921 |
| anfK | nifD | RPA1435 | RPA4619 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase molybdenum-iron protein alpha chain, nifD; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.962 |
| anfK | nifE | RPA1435 | RPA4617 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase molybdenum-cofactor synthesis protein nifE; Belongs to the NifD/NifK/NifE/NifN family. | 0.873 |
| anfK | nifK | RPA1435 | RPA4618 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase molybdenum-iron protein beta chain, nifK; This molybdenum-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation; Belongs to the NifD/NifK/NifE/NifN family. | 0.691 |
| anfK | nifN | RPA1435 | RPA4616 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase reductase-associated ferredoxin, nifN; Belongs to the NifD/NifK/NifE/NifN family. | 0.724 |
| anfK | nirA | RPA1435 | RPA3710 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Possible ferredoxin-nitrite reductase; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. | 0.902 |
| anfK | nosZ | RPA1435 | RPA2061 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN 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. | 0.903 |
| anfK | vnfD | RPA1435 | RPA1378 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase vanadium-iron protein alpha chain. | 0.916 |
| anfK | vnfH | RPA1435 | RPA1376 | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase iron protein, vnfH; The key enzymatic reactions in nitrogen fixation are catalyzed by the nitrogenase complex, which has 2 components: the iron protein and the molybdenum-iron protein; Belongs to the NifH/BchL/ChlL family. | 0.917 |
| nifB | anfK | RPA4630 | RPA1435 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | 0.921 |
| nifB | nifD | RPA4630 | RPA4619 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase molybdenum-iron protein alpha chain, nifD; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.971 |
| nifB | nifE | RPA4630 | RPA4617 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase molybdenum-cofactor synthesis protein nifE; Belongs to the NifD/NifK/NifE/NifN family. | 0.971 |
| nifB | nifK | RPA4630 | RPA4618 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase molybdenum-iron protein beta chain, nifK; This molybdenum-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation; Belongs to the NifD/NifK/NifE/NifN family. | 0.975 |
| nifB | nifN | RPA4630 | RPA4616 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase reductase-associated ferredoxin, nifN; Belongs to the NifD/NifK/NifE/NifN family. | 0.991 |
| nifB | nosZ | RPA4630 | RPA2061 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 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. | 0.404 |
| nifB | vnfD | RPA4630 | RPA1378 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase vanadium-iron protein alpha chain. | 0.898 |
| nifB | vnfH | RPA4630 | RPA1376 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase iron protein, vnfH; The key enzymatic reactions in nitrogen fixation are catalyzed by the nitrogenase complex, which has 2 components: the iron protein and the molybdenum-iron protein; Belongs to the NifH/BchL/ChlL family. | 0.962 |
| nifB | vnfK | RPA4630 | RPA1380 | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogenase vanadium-iron protein, VnfK subunit; Belongs to the NifD/NifK/NifE/NifN family. | 0.965 |
| nifD | anfK | RPA4619 | RPA1435 | Nitrogenase molybdenum-iron protein alpha chain, nifD; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Alternative nitrogenase 3 beta chain; Belongs to the NifD/NifK/NifE/NifN family. | 0.962 |
| nifD | nifB | RPA4619 | RPA4630 | Nitrogenase molybdenum-iron protein alpha chain, nifD; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | Nitrogen fixation protein nifB; Observed by proteomics; Citation: Proteomics from VerBerkmoes et al. (2003) unpublished. | 0.971 |