Proteins, usually projecting from the cilia of olfactory receptor neurons, that specifically bind odorant molecules and trigger responses in the neurons. The large number of different odorant receptors appears to arise from several gene families or subfamilies rather than from DNA rearrangement. (mesh:D018035)
| Synonym | Reference | Specificity |
| olfactory receptors | Exact | |
| olfactory receptor | Exact |
| Identifier | Name | Relation |
| FPLX:OR51 | OR51 | isa |
| FPLX:OR1 | OR1 | isa |
| FPLX:OR5 | OR5 | isa |
| FPLX:OR8 | OR8 | isa |
| FPLX:OR2 | OR2 | isa |
| FPLX:OR3 | OR3 | isa |
| FPLX:OR7 | OR7 | isa |
| FPLX:OR6 | OR6 | isa |
| FPLX:OR14 | OR14 | isa |
| FPLX:OR10 | OR10 | isa |
| FPLX:OR56 | OR56 | isa |
| FPLX:OR13 | OR13 | isa |
| FPLX:OR11 | OR11 | isa |
| FPLX:OR52 | OR52 | isa |
| FPLX:OR4 | OR4 | isa |
| FPLX:OR9 | OR9 | isa |
| FPLX:OR12 | OR12 | isa |