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

────────────────────────────────────────────────┬───┬───┬───┬────── OR5K1
                                                │   │   │   └────── OR5K4
                                                │   │   └────── OR5K3
                                                │   └────── OR5K2
                                                └───┬───┬───┬────── OR5H2
                                                    │   │   └────── OR5AC2
                                                    │   └───┬───┬────── OR5H1
                                                    │       │   └────── OR5H15
                                                    │       └────── OR5H14
                                                    └────── OR5H6