| GO | Name |
| 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: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:0007617 | mating behavior |
| GO:0007623 | circadian rhythm |
| GO:0008502 | melatonin receptor activity |
| GO:0042562 | hormone binding |
| GO:0043235 | receptor complex |
| GO:0097159 | organic cyclic compound binding |