Receptors

Major nodes: ClassI | OR1/3/7 | OR2/13 | OR2M/T/V | OR4/12 | OR5/8/9 | OR5A/AN | OR6/10/11 | OR10D/G/S | OR14 | OR51/52 | Schiff6

────────────────────────────────────────────────────────────────────────┬───┬───┬───┬───┬────── OR5D14
                                                                        │   │   │   │   └────── OR5D16
                                                                        │   │   │   └────── OR5D18
                                                                        │   │   └────── OR5D13
                                                                        │   └───┬────── OR5L1
                                                                        │       └────── OR5L2
                                                                        └────── OR5I1