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

────────────────────────────────────────────────────────────┬───┬───┬───┬────── OR6S1
                                                            │   │   │   └───┬───────┬───┬────── OR6M1
                                                            │   │   │       │       │   └────── OR6J1
                                                            │   │   │       │       └───┬───┬────── OR2AP1
                                                            │   │   │       │           │   └────── OR6C4
                                                            │   │   │       │           └───┬───┬────── OR6C1
                                                            │   │   │       │               │   └────── OR6C3
                                                            │   │   │       │               └───┬───┬────── OR6C2
                                                            │   │   │       │                   │   └────── OR6C68
                                                            │   │   │       │                   └───┬───┬───┬────── OR6C6
                                                            │   │   │       │                       │   │   └────── OR6C74
                                                            │   │   │       │                       │   └────── OR6C70
                                                            │   │   │       │                       └───┬───┬────── OR6C65
                                                            │   │   │       │                           │   └────── OR6C76
                                                            │   │   │       │                           └────── OR6C75
                                                            │   │   │       └────── OR6T1
                                                            │   │   └───┬───┬────── OR9A2
                                                            │   │       │   └────── OR9A4
                                                            │   │       └────── OR6V1
                                                            │   └────── OR6F1
                                                            └────── OR6X1