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

────────────────────────────────────────────────────────────────────┬───┬───┬───┬───┬───┬────── OR10G4
                                                                    │   │   │   │   │   └────── OR10G9
                                                                    │   │   │   │   └────── OR10G7
                                                                    │   │   │   └────── OR10G8
                                                                    │   │   └────── OR10G6
                                                                    │   └────── OR10G3
                                                                    └────── OR10G2