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