| GO | Name |
| GO:0001626 | nociceptin receptor activity |
| GO:0004930 | G protein-coupled receptor activity |
| GO:0005886 | plasma membrane |
| GO:0005887 | integral component of plasma membrane |
| GO:0007186 | G protein-coupled receptor signaling pathway |
| GO:0007193 | adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway |
| GO:0007218 | neuropeptide signaling pathway |
| GO:0007600 | sensory perception |
| GO:0007610 | behavior |
| GO:0019233 | sensory perception of pain |
| GO:0031410 | cytoplasmic vesicle |
| GO:0038003 | G protein-coupled opioid receptor signaling pathway |
| GO:0042277 | peptide binding |
| GO:0042923 | neuropeptide binding |
| GO:0043005 | neuron projection |
| GO:0051482 | positive regulation of cytosolic calcium ion concentration involved in phospholipase C-activating G protein-coupled signaling pathway |