Receptors

Major nodes: Class I | OR1/3/7 | OR2/13 | OR4 | OR5/8/9 | OR6/10/11 | OR12 | OR14-like | Olfactory TAARs

────────────────────────────────────────────────────────────────┬───┬───┬───┬───┬───┬────── OR7A17
                                                                │   │   │   │   │   └───┬────── OR7A10
                                                                │   │   │   │   │       └────── OR7A2
                                                                │   │   │   │   └────── OR7A5
                                                                │   │   │   └───┬────── OR7C2
                                                                │   │   │       └────── OR7C1
                                                                │   │   └───┬────── OR7D4
                                                                │   │       └────── OR7D2
                                                                │   └────── OR7E24
                                                                └───┬───┬────── OR7G2
                                                                    │   └────── OR7G1
                                                                    └────── OR7G3