| Chain | GOid | namespace | contents |
| A | 0001692 | biological_process | histamine metabolic process |
| A | 0001695 | biological_process | histamine catabolic process |
| A | 0005654 | cellular_component | nucleoplasm |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005813 | cellular_component | centrosome |
| A | 0005829 | cellular_component | cytosol |
| A | 0006548 | biological_process | L-histidine catabolic process |
| A | 0007585 | biological_process | respiratory gaseous exchange by respiratory system |
| A | 0008168 | molecular_function | methyltransferase activity |
| A | 0008170 | molecular_function | N-methyltransferase activity |
| A | 0032259 | biological_process | methylation |
| A | 0046539 | molecular_function | histamine N-methyltransferase activity |
| A | 0070062 | cellular_component | extracellular exosome |
| B | 0001692 | biological_process | histamine metabolic process |
| B | 0001695 | biological_process | histamine catabolic process |
| B | 0005654 | cellular_component | nucleoplasm |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005813 | cellular_component | centrosome |
| B | 0005829 | cellular_component | cytosol |
| B | 0006548 | biological_process | L-histidine catabolic process |
| B | 0007585 | biological_process | respiratory gaseous exchange by respiratory system |
| B | 0008168 | molecular_function | methyltransferase activity |
| B | 0008170 | molecular_function | N-methyltransferase activity |
| B | 0032259 | biological_process | methylation |
| B | 0046539 | molecular_function | histamine N-methyltransferase activity |
| B | 0070062 | cellular_component | extracellular exosome |
