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
                                                            └───┬───┬───┬───┬────── OR8B8
                                                                │   │   │   └────── OR8B12
                                                                │   │   └───┬───┬────── OR8B3
                                                                │   │       │   └───┬───┬────── OR8G1
                                                                │   │       │       │   └────── OR8G5
                                                                │   │       │       └────── OR8G2
                                                                │   │       └────── OR8B2
                                                                │   └────── OR8B4
                                                                └───┬───┬────────── OR8A1
                                                                    │   └───┬────── OR8D1
                                                                    │       └────── OR8D2
                                                                    └────── OR8D4