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
                                                                │   └───┬────── OR5G3
                                                                │       └────── OR5J2
                                                                └───┬───┬───┬───┬───┬────── OR5M1
                                                                    │   │   │   │   └────── OR5M10
                                                                    │   │   │   └────── OR5M11
                                                                    │   │   └────── OR5M8
                                                                    │   └────── OR5M3
                                                                    └────── OR5M9