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

────────────────────────────────────────────────────────────┬───┬───┬───┬───┬───────┬────── OR5C1
                                                            │   │   │   │   │       └────── OR5W2
                                                            │   │   │   │   └────── OR5AR1
                                                            │   │   │   └───┬────── OR5I1
                                                            │   │   │       └────── OR5AS1
                                                            │   │   └───┬───┬───┬────── OR5T1
                                                            │   │       │   │   └────── OR5T3
                                                            │   │       │   └────── OR5T2
                                                            │   │       └────── OR5AP2
                                                            │   └───────┬───┬───┬────── OR5B2
                                                            │           │   │   └────── OR5B3
                                                            │           │   └────── OR5B17
                                                            │           └───┬────── OR5B12
                                                            │               └────── OR5B21
                                                            └───┬───┬───┬───┬────── OR5D16
                                                                │   │   │   └────── OR5D18
                                                                │   │   └────── OR5D14
                                                                │   └────── OR5D13
                                                                └───┬────── OR5L2
                                                                    └────── OR5L1