| Chain | GOid | namespace | contents |
| A | 0004590 | molecular_function | orotidine-5'-phosphate decarboxylase activity |
| A | 0005829 | cellular_component | cytosol |
| A | 0006207 | biological_process | 'de novo' pyrimidine nucleobase biosynthetic process |
| A | 0006221 | biological_process | pyrimidine nucleotide biosynthetic process |
| A | 0016829 | molecular_function | lyase activity |
| A | 0016831 | molecular_function | carboxy-lyase activity |
| A | 0044205 | biological_process | 'de novo' UMP biosynthetic process |
| B | 0004590 | molecular_function | orotidine-5'-phosphate decarboxylase activity |
| B | 0005829 | cellular_component | cytosol |
| B | 0006207 | biological_process | 'de novo' pyrimidine nucleobase biosynthetic process |
| B | 0006221 | biological_process | pyrimidine nucleotide biosynthetic process |
| B | 0016829 | molecular_function | lyase activity |
| B | 0016831 | molecular_function | carboxy-lyase activity |
| B | 0044205 | biological_process | 'de novo' UMP biosynthetic process |