| Chain | GOid | namespace | contents |
| A | 0016853 | molecular_function | isomerase activity |
| A | 0050100 | molecular_function | methylitaconate delta-isomerase activity |
| A | 1901848 | biological_process | nicotinate catabolic process |
| B | 0016853 | molecular_function | isomerase activity |
| B | 0050100 | molecular_function | methylitaconate delta-isomerase activity |
| B | 1901848 | biological_process | nicotinate catabolic process |
| C | 0016853 | molecular_function | isomerase activity |
| C | 0050100 | molecular_function | methylitaconate delta-isomerase activity |
| C | 1901848 | biological_process | nicotinate catabolic process |
| D | 0016853 | molecular_function | isomerase activity |
| D | 0050100 | molecular_function | methylitaconate delta-isomerase activity |
| D | 1901848 | biological_process | nicotinate catabolic process |