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

────────────────────────────────────────────────────────────────┬───┬───┬────────── OR5M10
                                                                │   │   └────── OR5M8
                                                                │   └───┬───┬────────── OR5M3
                                                                │       │   └────── OR5M9
                                                                │       └────── OR5M11
                                                                └───┬───┬───┬───┬────── OR8K5
                                                                    │   │   │   └────── OR8K3
                                                                    │   │   └────── OR8K1
                                                                    │   └───┬────── OR8J3
                                                                    │       └────── OR8J1
                                                                    └───────┬────── OR5R1
                                                                            └───┬───┬────── OR8U1
                                                                                │   └────── OR8U9
                                                                                └────── OR8U8