| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| ansA | asnB | PFREUD_18730 | PFREUD_18980 | L-asparagine + H2O = L-aspartate + NH3. | Asparagine synthase (Glutamine-hydrolyzing); ATP + L-Aspartate + L-Glutamine + H2O <=> AMP + Pyrophosphate + L-Asparagine + L-Glutamate. | 0.910 |
| ansA | purA | PFREUD_18730 | PFREUD_19280 | L-asparagine + H2O = L-aspartate + NH3. | Adenylosuccinate synthetase (IMP--aspartate ligase) (AdSS) (AMPSase); Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | 0.900 |
| ansA | pyrB | PFREUD_18730 | PFREUD_17440 | L-asparagine + H2O = L-aspartate + NH3. | Carbamoyl phosphate + L-Aspartate <=> Orthophosphate + N-Carbamoyl-L-aspartate; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. | 0.914 |
| asnB | ansA | PFREUD_18980 | PFREUD_18730 | Asparagine synthase (Glutamine-hydrolyzing); ATP + L-Aspartate + L-Glutamine + H2O <=> AMP + Pyrophosphate + L-Asparagine + L-Glutamate. | L-asparagine + H2O = L-aspartate + NH3. | 0.910 |
| asnB | purA | PFREUD_18980 | PFREUD_19280 | Asparagine synthase (Glutamine-hydrolyzing); ATP + L-Aspartate + L-Glutamine + H2O <=> AMP + Pyrophosphate + L-Asparagine + L-Glutamate. | Adenylosuccinate synthetase (IMP--aspartate ligase) (AdSS) (AMPSase); Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | 0.923 |
| asnB | pyrB | PFREUD_18980 | PFREUD_17440 | Asparagine synthase (Glutamine-hydrolyzing); ATP + L-Aspartate + L-Glutamine + H2O <=> AMP + Pyrophosphate + L-Asparagine + L-Glutamate. | Carbamoyl phosphate + L-Aspartate <=> Orthophosphate + N-Carbamoyl-L-aspartate; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. | 0.921 |
| carA | carB | PFREUD_11480 | PFREUD_11470 | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | 0.999 |
| carA | pyrB | PFREUD_11480 | PFREUD_17440 | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | Carbamoyl phosphate + L-Aspartate <=> Orthophosphate + N-Carbamoyl-L-aspartate; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. | 0.999 |
| carA | pyrC | PFREUD_11480 | PFREUD_08620 | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | Dihydroorotase multifunctional complex type (dihydroorotase); Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. | 0.997 |
| carA | pyrD | PFREUD_11480 | PFREUD_11460 | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | Dihydroorotate dehydrogenase 2; Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 2 subfamily. | 0.944 |
| carA | pyrE | PFREUD_11480 | PFREUD_19200 | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | Orotate phosphoribosyltransferase (OPRT) (OPRTase); Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). | 0.912 |
| carA | pyrF | PFREUD_11480 | PFREUD_11450 | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | Orotidine 5-phosphate decarboxylase (OMP decarboxylase) (OMPDCase) (OMPdecase); Orotidine 5 prime-phosphate <=> UMP + CO2. | 0.976 |
| carB | carA | PFREUD_11470 | PFREUD_11480 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Carbamoyl-phosphate synthase small chain; The product carbamoyl phosphate is an intermediate in the biosynthesis of arginine and the pyrimidine nucleotides; Belongs to the CarA family. | 0.999 |
| carB | purA | PFREUD_11470 | PFREUD_19280 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Adenylosuccinate synthetase (IMP--aspartate ligase) (AdSS) (AMPSase); Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | 0.647 |
| carB | pyrB | PFREUD_11470 | PFREUD_17440 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Carbamoyl phosphate + L-Aspartate <=> Orthophosphate + N-Carbamoyl-L-aspartate; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. | 0.999 |
| carB | pyrC | PFREUD_11470 | PFREUD_08620 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Dihydroorotase multifunctional complex type (dihydroorotase); Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. | 0.996 |
| carB | pyrD | PFREUD_11470 | PFREUD_11460 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Dihydroorotate dehydrogenase 2; Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 2 subfamily. | 0.958 |
| carB | pyrE | PFREUD_11470 | PFREUD_19200 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Orotate phosphoribosyltransferase (OPRT) (OPRTase); Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). | 0.923 |
| carB | pyrF | PFREUD_11470 | PFREUD_11450 | Carbamoyl-phosphate synthase large chain (Carbamoyl-phosphate synthetase ammonia chain); 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate; Binds 3 manganese ions per subunit; Belongs to the CarB family. | Orotidine 5-phosphate decarboxylase (OMP decarboxylase) (OMPDCase) (OMPdecase); Orotidine 5 prime-phosphate <=> UMP + CO2. | 0.993 |
| purA | ansA | PFREUD_19280 | PFREUD_18730 | Adenylosuccinate synthetase (IMP--aspartate ligase) (AdSS) (AMPSase); Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. | L-asparagine + H2O = L-aspartate + NH3. | 0.900 |