| Chain | GOid | namespace | contents |
| A | 0001614 | molecular_function | purinergic nucleotide receptor activity |
| A | 0004931 | molecular_function | extracellularly ATP-gated monoatomic cation channel activity |
| A | 0005216 | molecular_function | monoatomic ion channel activity |
| A | 0005524 | molecular_function | ATP binding |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006811 | biological_process | monoatomic ion transport |
| A | 0016020 | cellular_component | membrane |
| A | 0033198 | biological_process | response to ATP |
| A | 0098655 | biological_process | monoatomic cation transmembrane transport |
| B | 0001614 | molecular_function | purinergic nucleotide receptor activity |
| B | 0004931 | molecular_function | extracellularly ATP-gated monoatomic cation channel activity |
| B | 0005216 | molecular_function | monoatomic ion channel activity |
| B | 0005524 | molecular_function | ATP binding |
| B | 0005886 | cellular_component | plasma membrane |
| B | 0006811 | biological_process | monoatomic ion transport |
| B | 0016020 | cellular_component | membrane |
| B | 0033198 | biological_process | response to ATP |
| B | 0098655 | biological_process | monoatomic cation transmembrane transport |
| C | 0001614 | molecular_function | purinergic nucleotide receptor activity |
| C | 0004931 | molecular_function | extracellularly ATP-gated monoatomic cation channel activity |
| C | 0005216 | molecular_function | monoatomic ion channel activity |
| C | 0005524 | molecular_function | ATP binding |
| C | 0005886 | cellular_component | plasma membrane |
| C | 0006811 | biological_process | monoatomic ion transport |
| C | 0016020 | cellular_component | membrane |
| C | 0033198 | biological_process | response to ATP |
| C | 0098655 | biological_process | monoatomic cation transmembrane transport |
