| ATP-activated adenosine receptor activity |
| neuronal signal transduction |
| adenosine receptor signaling pathway |
| cellular response to ATP |
| G protein-coupled purinergic receptor signaling pathway |
| purinergic receptor signaling pathway |
| response to ATP |
| neurotransmitter receptor activity |
| activation of adenylate cyclase activity |
| cellular response to nutrient |
| phospholipase C-activating G protein-coupled receptor signaling pathway |
| response to organophosphorus |
| calcium-mediated signaling |
| response to purine-containing compound |
| signaling receptor activity |
| response to nutrient |
| cellular response to nutrient levels |
| cellular response to extracellular stimulus |
| cellular response to external stimulus |
| second-messenger-mediated signaling |
| cellular response to drug |
| response to nutrient levels |
| response to extracellular stimulus |
| cellular response to organic cyclic compound |
| cellular response to organonitrogen compound |
| cellular response to nitrogen compound |
| response to organic cyclic compound |
| response to organonitrogen compound |
| response to drug |
| cellular response to oxygen-containing compound |
| response to nitrogen compound |
| cellular response to endogenous stimulus |
| G protein-coupled receptor signaling pathway |
| defense response |
| integral component of plasma membrane |
| response to endogenous stimulus |
| response to oxygen-containing compound |
| intracellular signal transduction |