| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| PTO0123 | pyrD | PTO0123 | PTO0175 | Purine nucleoside phosphorylase. | Dihydroorotate dehydrogenase; Catalyzes the conversion of dihydroorotate to orotate. | 0.810 |
| PTO0123 | pyrE | PTO0123 | PTO0208 | Purine nucleoside phosphorylase. | 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). | 0.518 |
| PTO0174 | PTO0210 | PTO0174 | PTO0210 | Dihydroorotate dehydrogenase electron transfer subunit. | Orotidine 5'-phosphate decarboxylase. | 0.968 |
| PTO0174 | PTO0899 | PTO0174 | PTO0899 | Dihydroorotate dehydrogenase electron transfer subunit. | Carbamoyl-phosphate synthase. | 0.956 |
| PTO0174 | carA | PTO0174 | PTO0900 | Dihydroorotate dehydrogenase electron transfer subunit. | Carbamoyl-phosphate synthase small chain; Belongs to the CarA family. | 0.945 |
| PTO0174 | pyrB | PTO0174 | PTO0965 | Dihydroorotate dehydrogenase electron transfer subunit. | Aspartate carbamoyltransferase. | 0.965 |
| PTO0174 | pyrC | PTO0174 | PTO1424 | Dihydroorotate dehydrogenase electron transfer subunit. | Dihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. | 0.998 |
| PTO0174 | pyrD | PTO0174 | PTO0175 | Dihydroorotate dehydrogenase electron transfer subunit. | Dihydroorotate dehydrogenase; Catalyzes the conversion of dihydroorotate to orotate. | 0.999 |
| PTO0174 | pyrE | PTO0174 | PTO0208 | Dihydroorotate dehydrogenase electron transfer subunit. | 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). | 0.997 |
| PTO0174 | thiI | PTO0174 | PTO0483 | Dihydroorotate dehydrogenase electron transfer subunit. | Hypothetical thiamine biosynthesis protein thiI; Catalyzes the ATP-dependent transfer of a sulfur to tRNA to produce 4-thiouridine in position 8 of tRNAs, which functions as a near-UV photosensor. Also catalyzes the transfer of sulfur to the sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a step in the synthesis of thiazole, in the thiamine biosynthesis pathway. The sulfur is donated as persulfide by IscS. | 0.480 |
| PTO0210 | PTO0174 | PTO0210 | PTO0174 | Orotidine 5'-phosphate decarboxylase. | Dihydroorotate dehydrogenase electron transfer subunit. | 0.968 |
| PTO0210 | PTO0899 | PTO0210 | PTO0899 | Orotidine 5'-phosphate decarboxylase. | Carbamoyl-phosphate synthase. | 0.929 |
| PTO0210 | carA | PTO0210 | PTO0900 | Orotidine 5'-phosphate decarboxylase. | Carbamoyl-phosphate synthase small chain; Belongs to the CarA family. | 0.924 |
| PTO0210 | pyrB | PTO0210 | PTO0965 | Orotidine 5'-phosphate decarboxylase. | Aspartate carbamoyltransferase. | 0.955 |
| PTO0210 | pyrC | PTO0210 | PTO1424 | Orotidine 5'-phosphate decarboxylase. | Dihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. | 0.955 |
| PTO0210 | pyrD | PTO0210 | PTO0175 | Orotidine 5'-phosphate decarboxylase. | Dihydroorotate dehydrogenase; Catalyzes the conversion of dihydroorotate to orotate. | 0.971 |
| PTO0210 | pyrE | PTO0210 | PTO0208 | Orotidine 5'-phosphate decarboxylase. | 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). | 0.999 |
| PTO0210 | ribH | PTO0210 | PTO0714 | Orotidine 5'-phosphate decarboxylase. | 6,7-dimethyl-8-ribityllumazine synthase; Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2- butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. | 0.445 |
| PTO0210 | thiI | PTO0210 | PTO0483 | Orotidine 5'-phosphate decarboxylase. | Hypothetical thiamine biosynthesis protein thiI; Catalyzes the ATP-dependent transfer of a sulfur to tRNA to produce 4-thiouridine in position 8 of tRNAs, which functions as a near-UV photosensor. Also catalyzes the transfer of sulfur to the sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a step in the synthesis of thiazole, in the thiamine biosynthesis pathway. The sulfur is donated as persulfide by IscS. | 0.461 |
| PTO0899 | PTO0174 | PTO0899 | PTO0174 | Carbamoyl-phosphate synthase. | Dihydroorotate dehydrogenase electron transfer subunit. | 0.956 |