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

────────────────────────────────┬───────┬───┬───┬───┬───┬───┬───┬───┬────── OR2G3
                                │       │   │   │   │   │   │   │   └────── OR2B11
                                │       │   │   │   │   │   │   └───┬────── OR2G2
                                │       │   │   │   │   │   │       └────── OR2G6
                                │       │   │   │   │   │   └───┬────── OR2Y1
                                │       │   │   │   │   │       └────── OR2B8
                                │       │   │   │   │   └───┬────── OR2W1
                                │       │   │   │   │       └────── OR2W3
                                │       │   │   │   └───┬───┬────── OR2J2
                                │       │   │   │       │   └────── OR2J1
                                │       │   │   │       └────── OR2J3
                                │       │   │   └────── OR2C3
                                │       │   └───┬───┬────────── OR2H2
                                │       │       │   └────── OR2H1
                                │       │       └────────── OR2C1
                                │       └───┬───┬────── OR2B6
                                │           │   └────── OR2B2
                                │           └────── OR2B3
                                └───┬───┬───┬───┬───┬───┬───┬────────── OR2S2
                                    │   │   │   │   │   │   └────── OR13C8
                                    │   │   │   │   │   └───┬────── OR13C4
                                    │   │   │   │   │       └────── OR13C3
                                    │   │   │   │   └───┬───┬────── OR13C5
                                    │   │   │   │       │   └────── OR13C2
                                    │   │   │   │       └────── OR13C9
                                    │   │   │   └───┬───┬────── OR2K2
                                    │   │   │       │   └────── OR13F1
                                    │   │   │       └────── OR13D1
                                    │   │   └────── OR13J1
                                    │   └────── OR13H1
                                    └───┬───┬────── OR2F2
                                        │   └────── OR2F1
                                        └───┬────── OR2D2
                                            └────── OR2D3