| GO | Name |
| GO:0004930 | G protein-coupled receptor activity |
| GO:0004985 | G protein-coupled opioid receptor activity |
| GO:0005886 | plasma membrane |
| GO:0005887 | integral component of plasma membrane |
| GO:0006955 | immune response |
| GO:0007186 | G protein-coupled receptor signaling pathway |
| GO:0007187 | G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger |
| GO:0007193 | adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway |
| GO:0007200 | phospholipase C-activating G protein-coupled receptor signaling pathway |
| GO:0007218 | neuropeptide signaling pathway |
| GO:0008344 | adult locomotory behavior |
| GO:0010629 | negative regulation of gene expression |
| GO:0019221 | cytokine-mediated signaling pathway |
| GO:0030285 | integral component of synaptic vesicle membrane |
| GO:0031226 | intrinsic component of plasma membrane |
| GO:0031333 | negative regulation of protein-containing complex assembly |
| GO:0032590 | dendrite membrane |
| GO:0032793 | positive regulation of CREB transcription factor activity |
| GO:0033138 | positive regulation of peptidyl-serine phosphorylation |
| GO:0033612 | receptor serine/threonine kinase binding |
| GO:0038003 | G protein-coupled opioid receptor signaling pathway |
| GO:0038046 | G protein-coupled enkephalin receptor activity |
| GO:0042277 | peptide binding |
| GO:0042755 | eating behavior |
| GO:0042923 | neuropeptide binding |
| GO:0043005 | neuron projection |
| GO:0043679 | axon terminus |
| GO:0045121 | membrane raft |
| GO:0051881 | regulation of mitochondrial membrane potential |
| GO:0051924 | regulation of calcium ion transport |
| GO:0051930 | regulation of sensory perception of pain |
| GO:0071363 | cellular response to growth factor stimulus |
| GO:0071456 | cellular response to hypoxia |
| GO:0097237 | cellular response to toxic substance |
| GO:0097444 | spine apparatus |
| GO:0098992 | neuronal dense core vesicle |
| GO:0099056 | integral component of presynaptic membrane |
| GO:0099061 | integral component of postsynaptic density membrane |