| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| MMP0002 | nrpR | MMP0002 | MMP0607 | L-seryl-tRNA selenium transferase related protein. | Transcriptional repressor of nif and glnA operons; Transcriptional repressor of nitrogen fixation and assimilation genes. Binds to two tandem operators in the glnA and nif promoters, thereby blocking transcription of the genes. | 0.625 |
| MMP0608 | nrpR | MMP0608 | MMP0607 | 2-hydroxyglutaryl-CoA dehydratase (Component A) related protein; Citation: J Mol Biol 2001 Mar 16;307(1):297-308, Appl Microbiol Biotechnol. 2001 Oct;57(3):263-73. | Transcriptional repressor of nif and glnA operons; Transcriptional repressor of nitrogen fixation and assimilation genes. Binds to two tandem operators in the glnA and nif promoters, thereby blocking transcription of the genes. | 0.754 |
| MMP0608 | rlmE | MMP0608 | MMP0606 | 2-hydroxyglutaryl-CoA dehydratase (Component A) related protein; Citation: J Mol Biol 2001 Mar 16;307(1):297-308, Appl Microbiol Biotechnol. 2001 Oct;57(3):263-73. | 23 S ribosomal RNA methyltransferase related; Specifically methylates the uridine in position 2552 of 23S rRNA at the 2'-O position of the ribose in the fully assembled 50S ribosomal subunit. | 0.642 |
| NifI1 | glnA | MMP0854 | MMP1206 | Nitrogen regulatory protein NifI1; Could be involved in the regulation of nitrogen fixation. | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | 0.892 |
| NifI1 | nifH | MMP0854 | MMP0853 | Nitrogen regulatory protein NifI1; Could be involved in the regulation of nitrogen fixation. | Nitrogenase iron protein (nitrogenase component II); 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. | 0.997 |
| NifI1 | nifH-2 | MMP0854 | MMP0147 | Nitrogen regulatory protein NifI1; Could be involved in the regulation of nitrogen fixation. | NifH/frxC family:ATP/GTP-binding site motif A (P-loop); 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. | 0.784 |
| NifI1 | nifI2 | MMP0854 | MMP0855 | Nitrogen regulatory protein NifI1; Could be involved in the regulation of nitrogen fixation. | Nitrogen regulatory protein NifI2; Could be involved in the regulation of nitrogen fixation. | 0.980 |
| NifI1 | nrpR | MMP0854 | MMP0607 | Nitrogen regulatory protein NifI1; Could be involved in the regulation of nitrogen fixation. | Transcriptional repressor of nif and glnA operons; Transcriptional repressor of nitrogen fixation and assimilation genes. Binds to two tandem operators in the glnA and nif promoters, thereby blocking transcription of the genes. | 0.681 |
| gap | glnA | MMP0325 | MMP1206 | Glyceraldehyde 3-phosphate dehydrogenase. | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | 0.848 |
| gap | nifH | MMP0325 | MMP0853 | Glyceraldehyde 3-phosphate dehydrogenase. | Nitrogenase iron protein (nitrogenase component II); 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. | 0.527 |
| gap | nifH-2 | MMP0325 | MMP0147 | Glyceraldehyde 3-phosphate dehydrogenase. | NifH/frxC family:ATP/GTP-binding site motif A (P-loop); 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. | 0.566 |
| gap | nrpR | MMP0325 | MMP0607 | Glyceraldehyde 3-phosphate dehydrogenase. | Transcriptional repressor of nif and glnA operons; Transcriptional repressor of nitrogen fixation and assimilation genes. Binds to two tandem operators in the glnA and nif promoters, thereby blocking transcription of the genes. | 0.690 |
| gap | pdxT | MMP0325 | MMP1656 | Glyceraldehyde 3-phosphate dehydrogenase. | Putative pyridoxine biosynthetic glutamine amidotransferase; Catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the biosynthesis of pyridoxal 5'-phosphate. The resulting ammonia molecule is channeled to the active site of PdxS. | 0.889 |
| glnA | NifI1 | MMP1206 | MMP0854 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | Nitrogen regulatory protein NifI1; Could be involved in the regulation of nitrogen fixation. | 0.892 |
| glnA | gap | MMP1206 | MMP0325 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | Glyceraldehyde 3-phosphate dehydrogenase. | 0.848 |
| glnA | nifH | MMP1206 | MMP0853 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | Nitrogenase iron protein (nitrogenase component II); 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. | 0.973 |
| glnA | nifH-2 | MMP1206 | MMP0147 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | NifH/frxC family:ATP/GTP-binding site motif A (P-loop); 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. | 0.970 |
| glnA | nifI2 | MMP1206 | MMP0855 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | Nitrogen regulatory protein NifI2; Could be involved in the regulation of nitrogen fixation. | 0.892 |
| glnA | nrpR | MMP1206 | MMP0607 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | Transcriptional repressor of nif and glnA operons; Transcriptional repressor of nitrogen fixation and assimilation genes. Binds to two tandem operators in the glnA and nif promoters, thereby blocking transcription of the genes. | 0.962 |
| glnA | pdxT | MMP1206 | MMP1656 | Glutamine synthetase; Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. | Putative pyridoxine biosynthetic glutamine amidotransferase; Catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the biosynthesis of pyridoxal 5'-phosphate. The resulting ammonia molecule is channeled to the active site of PdxS. | 0.892 |