| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| MJ_0880 | nifH | MJ_0880 | MJ_0879 | Conserved hypothetical protein; Similar to GB:AE000782 percent identity: 26.24; identified by sequence similarity; putative. | Nitrogenase iron protein (nifH); 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. | 0.734 |
| MJ_0880 | wtpA | MJ_0880 | MJ_1186 | Conserved hypothetical protein; Similar to GB:AE000782 percent identity: 26.24; identified by sequence similarity; putative. | Conserved hypothetical protein; Part of the ABC transporter complex WtpABC involved in molybdate/tungstate import. Binds tungstate and molybdate (By similarity). | 0.463 |
| bioD | hypB | MJ_1299 | MJ_0442 | Dethiobiotin synthetase (bioD); Catalyzes a mechanistically unusual reaction, the ATP- dependent insertion of CO2 between the N7 and N8 nitrogen atoms of 7,8- diaminopelargonic acid (DAPA) to form an ureido ring. | Hydrogenase expression/formation protein (hypB); Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. Exhibits a low intrinsic GTPase activity, which is essential for nickel insertion; Belongs to the SIMIBI class G3E GTPase family. HypB/HupM subfamily. | 0.875 |
| bioD | nifH | MJ_1299 | MJ_0879 | Dethiobiotin synthetase (bioD); Catalyzes a mechanistically unusual reaction, the ATP- dependent insertion of CO2 between the N7 and N8 nitrogen atoms of 7,8- diaminopelargonic acid (DAPA) to form an ureido ring. | Nitrogenase iron protein (nifH); 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. | 0.725 |
| cfbD | glnA | MJ_1423 | MJ_1346 | Vanadium nitrogenase-associated protein N; Involved in the biosynthesis of the unique nickel-containing tetrapyrrole coenzyme F430, the prosthetic group of methyl-coenzyme M reductase (MCR), which plays a key role in methanogenesis and anaerobic methane oxidation. Catalyzes both the six-electron reduction of the tetrahydroporphyrin ring system and the gamma-lactamization of the c- acetamide side chain of Ni-sirohydrochlorin a,c-diamide to yield 15,17(3)-seco-F430-17(3)-acid (seco-F430), the last intermediate in the biosynthesis of the coenzyme F430; Belongs to the NifD/NifK/NifE/NifN family. | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | 0.411 |
| cfbD | nifB | MJ_1423 | MJ_1093 | Vanadium nitrogenase-associated protein N; Involved in the biosynthesis of the unique nickel-containing tetrapyrrole coenzyme F430, the prosthetic group of methyl-coenzyme M reductase (MCR), which plays a key role in methanogenesis and anaerobic methane oxidation. Catalyzes both the six-electron reduction of the tetrahydroporphyrin ring system and the gamma-lactamization of the c- acetamide side chain of Ni-sirohydrochlorin a,c-diamide to yield 15,17(3)-seco-F430-17(3)-acid (seco-F430), the last intermediate in the biosynthesis of the coenzyme F430; Belongs to the NifD/NifK/NifE/NifN family. | nifB protein (nifB); Involved in the biosynthesis of the iron-molybdenum cofactor (FeMo-co or M-cluster) found in the dinitrogenase enzyme of the nitrogenase complex in nitrogen-fixing microorganisms. NifB catalyzes the crucial step of radical SAM-dependent carbide insertion that occurs concomitant with the insertion of a 9th sulfur and the rearrangement/coupling of two [4Fe-4S] clusters into a [8Fe-9S-C] cluster, the precursor to the M-cluster. | 0.407 |
| cfbD | nifH | MJ_1423 | MJ_0879 | Vanadium nitrogenase-associated protein N; Involved in the biosynthesis of the unique nickel-containing tetrapyrrole coenzyme F430, the prosthetic group of methyl-coenzyme M reductase (MCR), which plays a key role in methanogenesis and anaerobic methane oxidation. Catalyzes both the six-electron reduction of the tetrahydroporphyrin ring system and the gamma-lactamization of the c- acetamide side chain of Ni-sirohydrochlorin a,c-diamide to yield 15,17(3)-seco-F430-17(3)-acid (seco-F430), the last intermediate in the biosynthesis of the coenzyme F430; Belongs to the NifD/NifK/NifE/NifN family. | Nitrogenase iron protein (nifH); 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. | 0.972 |
| cfbD | wtpA | MJ_1423 | MJ_1186 | Vanadium nitrogenase-associated protein N; Involved in the biosynthesis of the unique nickel-containing tetrapyrrole coenzyme F430, the prosthetic group of methyl-coenzyme M reductase (MCR), which plays a key role in methanogenesis and anaerobic methane oxidation. Catalyzes both the six-electron reduction of the tetrahydroporphyrin ring system and the gamma-lactamization of the c- acetamide side chain of Ni-sirohydrochlorin a,c-diamide to yield 15,17(3)-seco-F430-17(3)-acid (seco-F430), the last intermediate in the biosynthesis of the coenzyme F430; Belongs to the NifD/NifK/NifE/NifN family. | Conserved hypothetical protein; Part of the ABC transporter complex WtpABC involved in molybdate/tungstate import. Binds tungstate and molybdate (By similarity). | 0.582 |
| glnA | cfbD | MJ_1346 | MJ_1423 | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | Vanadium nitrogenase-associated protein N; Involved in the biosynthesis of the unique nickel-containing tetrapyrrole coenzyme F430, the prosthetic group of methyl-coenzyme M reductase (MCR), which plays a key role in methanogenesis and anaerobic methane oxidation. Catalyzes both the six-electron reduction of the tetrahydroporphyrin ring system and the gamma-lactamization of the c- acetamide side chain of Ni-sirohydrochlorin a,c-diamide to yield 15,17(3)-seco-F430-17(3)-acid (seco-F430), the last intermediate in the biosynthesis of the coenzyme F430; Belongs to the NifD/NifK/NifE/NifN family. | 0.411 |
| glnA | hcp | MJ_1346 | MJ_0765 | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | [6Fe-6S] prismane-containing protein; Catalyzes the reduction of hydroxylamine to form NH(3) and H(2)O. | 0.924 |
| glnA | nifH | MJ_1346 | MJ_0879 | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | Nitrogenase iron protein (nifH); 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. | 0.984 |
| glnA | nrpR | MJ_1346 | MJ_0159 | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | Conserved hypothetical protein; 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. Belongs to the NrpR family. | 0.917 |
| glnA | pdxT | MJ_1346 | MJ_1661 | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | Conserved hypothetical protein; 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. | 0.814 |
| hcp | glnA | MJ_0765 | MJ_1346 | [6Fe-6S] prismane-containing protein; Catalyzes the reduction of hydroxylamine to form NH(3) and H(2)O. | Glutamine synthetase (glnA); Probably involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. Beta-glutamate is a much poorer substrate than alpha-glutamate. | 0.924 |
| hcp | nifH | MJ_0765 | MJ_0879 | [6Fe-6S] prismane-containing protein; Catalyzes the reduction of hydroxylamine to form NH(3) and H(2)O. | Nitrogenase iron protein (nifH); 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. | 0.907 |
| hypB | bioD | MJ_0442 | MJ_1299 | Hydrogenase expression/formation protein (hypB); Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. Exhibits a low intrinsic GTPase activity, which is essential for nickel insertion; Belongs to the SIMIBI class G3E GTPase family. HypB/HupM subfamily. | Dethiobiotin synthetase (bioD); Catalyzes a mechanistically unusual reaction, the ATP- dependent insertion of CO2 between the N7 and N8 nitrogen atoms of 7,8- diaminopelargonic acid (DAPA) to form an ureido ring. | 0.875 |
| hypB | nifH | MJ_0442 | MJ_0879 | Hydrogenase expression/formation protein (hypB); Involved in the maturation of [NiFe] hydrogenases. Required for nickel insertion into the metal center of the hydrogenase. Exhibits a low intrinsic GTPase activity, which is essential for nickel insertion; Belongs to the SIMIBI class G3E GTPase family. HypB/HupM subfamily. | Nitrogenase iron protein (nifH); 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. | 0.709 |
| nifB | cfbD | MJ_1093 | MJ_1423 | nifB protein (nifB); Involved in the biosynthesis of the iron-molybdenum cofactor (FeMo-co or M-cluster) found in the dinitrogenase enzyme of the nitrogenase complex in nitrogen-fixing microorganisms. NifB catalyzes the crucial step of radical SAM-dependent carbide insertion that occurs concomitant with the insertion of a 9th sulfur and the rearrangement/coupling of two [4Fe-4S] clusters into a [8Fe-9S-C] cluster, the precursor to the M-cluster. | Vanadium nitrogenase-associated protein N; Involved in the biosynthesis of the unique nickel-containing tetrapyrrole coenzyme F430, the prosthetic group of methyl-coenzyme M reductase (MCR), which plays a key role in methanogenesis and anaerobic methane oxidation. Catalyzes both the six-electron reduction of the tetrahydroporphyrin ring system and the gamma-lactamization of the c- acetamide side chain of Ni-sirohydrochlorin a,c-diamide to yield 15,17(3)-seco-F430-17(3)-acid (seco-F430), the last intermediate in the biosynthesis of the coenzyme F430; Belongs to the NifD/NifK/NifE/NifN family. | 0.407 |
| nifB | nifH | MJ_1093 | MJ_0879 | nifB protein (nifB); Involved in the biosynthesis of the iron-molybdenum cofactor (FeMo-co or M-cluster) found in the dinitrogenase enzyme of the nitrogenase complex in nitrogen-fixing microorganisms. NifB catalyzes the crucial step of radical SAM-dependent carbide insertion that occurs concomitant with the insertion of a 9th sulfur and the rearrangement/coupling of two [4Fe-4S] clusters into a [8Fe-9S-C] cluster, the precursor to the M-cluster. | Nitrogenase iron protein (nifH); 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. | 0.948 |
| nifB | nrpR | MJ_1093 | MJ_0159 | nifB protein (nifB); Involved in the biosynthesis of the iron-molybdenum cofactor (FeMo-co or M-cluster) found in the dinitrogenase enzyme of the nitrogenase complex in nitrogen-fixing microorganisms. NifB catalyzes the crucial step of radical SAM-dependent carbide insertion that occurs concomitant with the insertion of a 9th sulfur and the rearrangement/coupling of two [4Fe-4S] clusters into a [8Fe-9S-C] cluster, the precursor to the M-cluster. | Conserved hypothetical protein; 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. Belongs to the NrpR family. | 0.640 |