| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0006547 | biological_process | L-histidine metabolic process |
| A | 0006548 | biological_process | L-histidine catabolic process |
| A | 0016153 | molecular_function | urocanate hydratase activity |
| A | 0016829 | molecular_function | lyase activity |
| A | 0019556 | biological_process | L-histidine catabolic process to glutamate and formamide |
| A | 0019557 | biological_process | L-histidine catabolic process to glutamate and formate |
| B | 0000166 | molecular_function | nucleotide binding |
| B | 0006547 | biological_process | L-histidine metabolic process |
| B | 0006548 | biological_process | L-histidine catabolic process |
| B | 0016153 | molecular_function | urocanate hydratase activity |
| B | 0016829 | molecular_function | lyase activity |
| B | 0019556 | biological_process | L-histidine catabolic process to glutamate and formamide |
| B | 0019557 | biological_process | L-histidine catabolic process to glutamate and formate |
| C | 0000166 | molecular_function | nucleotide binding |
| C | 0006547 | biological_process | L-histidine metabolic process |
| C | 0006548 | biological_process | L-histidine catabolic process |
| C | 0016153 | molecular_function | urocanate hydratase activity |
| C | 0016829 | molecular_function | lyase activity |
| C | 0019556 | biological_process | L-histidine catabolic process to glutamate and formamide |
| C | 0019557 | biological_process | L-histidine catabolic process to glutamate and formate |
| D | 0000166 | molecular_function | nucleotide binding |
| D | 0006547 | biological_process | L-histidine metabolic process |
| D | 0006548 | biological_process | L-histidine catabolic process |
| D | 0016153 | molecular_function | urocanate hydratase activity |
| D | 0016829 | molecular_function | lyase activity |
| D | 0019556 | biological_process | L-histidine catabolic process to glutamate and formamide |
| D | 0019557 | biological_process | L-histidine catabolic process to glutamate and formate |
