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

────────────────────────────────────────────────────┬───┬───┬───┬───────┬───┬────── OR2M3
                                                    │   │   │   │       │   └───┬────── OR2M5
                                                    │   │   │   │       │       └────── OR2M7
                                                    │   │   │   │       └────── OR2M2
                                                    │   │   │   └────── OR2M4
                                                    │   │   └───────┬───┬────── OR2T8
                                                    │   │           │   └────── OR2T33
                                                    │   │           └────── OR2T12
                                                    │   └───┬────── OR2V2
                                                    │       └────── OR2V1
                                                    └────── OR2Z1