Receptors

Major nodes: Class I | OR1/3/7 | OR2/13 | OR4 | OR5/8/9 | OR6/10/11 | OR10D/G/S | OR12 | OR14-like | Olfactory TAARs
────────────────────┬───────────────────────────┬────────────────────── OR10AC1
                    │                           └───────────┬───┬────── OR10A3
                    │                                       │   └────────── OR10A6
                    │                                       └───┬───┬───┬────── OR10A2
                    │                                           │   │   └───┬────── OR10A5
                    │                                           │   │       └────── OR10AG1
                    │                                           │   └────── OR10A4
                    │                                           └────── OR10A7
                    └────── OR10AD1