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

────────────────────────────────────────────────────────────────┬───┬───┬───┬────── OR6B2
                                                                │   │   │   └────── OR6B3
                                                                │   │   └────── OR6B1
                                                                │   └───┬────── OR6A2
                                                                │       └───┬────── OR6Y1
                                                                │           └────── OR6P1
                                                                └────── OR6Q1