| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| ABC1407 | pyrB | ABC1407 | ABC2336 | Dihydroorotase. | Aspartate carbamoyltransferase; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. | 0.900 |
| ABC1407 | pyrC | ABC1407 | ABC2335 | Dihydroorotase. | Dihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. | 0.900 |
| ABC1407 | pyrDI | ABC1407 | ABC2331 | Dihydroorotase. | Dihydroorotate dehydrogenase catalytic subunit; Catalyzes the conversion of dihydroorotate to orotate with NAD(+) as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 1 subfamily. | 0.900 |
| ABC1407 | pyrDII | ABC1407 | ABC2332 | Dihydroorotase. | Dihydroorotate dehydrogenase electron transfer subunit; Responsible for channeling the electrons from the oxidation of dihydroorotate from the FMN redox center in the PyrD type B subunit to the ultimate electron acceptor NAD(+). | 0.900 |
| ABC3781 | pyrDI | ABC3781 | ABC2331 | Glutamate synthase small subunit. | Dihydroorotate dehydrogenase catalytic subunit; Catalyzes the conversion of dihydroorotate to orotate with NAD(+) as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 1 subfamily. | 0.960 |
| ABC3781 | pyrDII | ABC3781 | ABC2332 | Glutamate synthase small subunit. | Dihydroorotate dehydrogenase electron transfer subunit; Responsible for channeling the electrons from the oxidation of dihydroorotate from the FMN redox center in the PyrD type B subunit to the ultimate electron acceptor NAD(+). | 0.984 |
| pyrAA | pyrAB | ABC2334 | ABC2333 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | 0.999 |
| pyrAA | pyrB | ABC2334 | ABC2336 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Aspartate carbamoyltransferase; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. | 0.999 |
| pyrAA | pyrC | ABC2334 | ABC2335 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Dihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. | 0.977 |
| pyrAA | pyrDI | ABC2334 | ABC2331 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Dihydroorotate dehydrogenase catalytic subunit; Catalyzes the conversion of dihydroorotate to orotate with NAD(+) as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 1 subfamily. | 0.934 |
| pyrAA | pyrDII | ABC2334 | ABC2332 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Dihydroorotate dehydrogenase electron transfer subunit; Responsible for channeling the electrons from the oxidation of dihydroorotate from the FMN redox center in the PyrD type B subunit to the ultimate electron acceptor NAD(+). | 0.925 |
| pyrAA | pyrE | ABC2334 | ABC2329 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Orotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). | 0.917 |
| pyrAA | pyrF | ABC2334 | ABC2330 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Orotidine 5'-phosphate decarboxylase; Catalyzes the decarboxylation of orotidine 5'-monophosphate (OMP) to uridine 5'-monophosphate (UMP); Belongs to the OMP decarboxylase family. Type 1 subfamily. | 0.918 |
| pyrAA | pyrP | ABC2334 | ABC2337 | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | Uracil transporter. | 0.893 |
| pyrAB | pyrAA | ABC2333 | ABC2334 | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | Carbamoyl-phosphate synthase pyrimidine-specific small chain; Belongs to the CarA family. | 0.999 |
| pyrAB | pyrB | ABC2333 | ABC2336 | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | Aspartate carbamoyltransferase; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. | 0.999 |
| pyrAB | pyrC | ABC2333 | ABC2335 | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | 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 |
| pyrAB | pyrDI | ABC2333 | ABC2331 | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | Dihydroorotate dehydrogenase catalytic subunit; Catalyzes the conversion of dihydroorotate to orotate with NAD(+) as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 1 subfamily. | 0.981 |
| pyrAB | pyrDII | ABC2333 | ABC2332 | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | Dihydroorotate dehydrogenase electron transfer subunit; Responsible for channeling the electrons from the oxidation of dihydroorotate from the FMN redox center in the PyrD type B subunit to the ultimate electron acceptor NAD(+). | 0.950 |
| pyrAB | pyrE | ABC2333 | ABC2329 | Carbamoyl-phosphate synthase pyrimidine-specific large chain; Belongs to the CarB family. | Orotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). | 0.940 |