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