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

────────────────────────────────────────────────┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬────── OR7A17
                                                │   │   │   │   │   │   │   │   │   │   └───┬────── OR7A10
                                                │   │   │   │   │   │   │   │   │   │       └────── OR7A2
                                                │   │   │   │   │   │   │   │   │   └────── OR7A5
                                                │   │   │   │   │   │   │   │   └───┬────── OR7C2
                                                │   │   │   │   │   │   │   │       └────── OR7C1
                                                │   │   │   │   │   │   │   └───┬────── OR7D4
                                                │   │   │   │   │   │   │       └────── OR7D2
                                                │   │   │   │   │   │   └────── OR7E24
                                                │   │   │   │   │   └───┬───┬────── OR7G2
                                                │   │   │   │   │       │   └────── OR7G1
                                                │   │   │   │   │       └────── OR7G3
                                                │   │   │   │   └───┬────── OR1G1
                                                │   │   │   │       └────── OR1I1
                                                │   │   │   └───┬───┬───┬────── OR1D5
                                                │   │   │       │   │   └────── OR1D4
                                                │   │   │       │   └────── OR1D2
                                                │   │   │       └────────── OR1N2
                                                │   │   └───┬───┬───┬───┬───┬────── OR1J4
                                                │   │       │   │   │   │   └────── OR1J2
                                                │   │       │   │   │   └────── OR1J1
                                                │   │       │   │   └───┬────── OR1E2
                                                │   │       │   │       └───┬───┬────── OR1E1
                                                │   │       │   │           │   └────── OR1N1
                                                │   │       │   │           └────── OR1E3
                                                │   │       │   └────── OR1M1
                                                │   │       └───┬────── OR1S2
                                                │   │           └────── OR1S1
                                                │   └───┬───┬────── OR1F12
                                                │       │   └───┬────── OR1F1
                                                │       │       └────── OR1F2
                                                │       └────── OR1C1
                                                └───┬────── OR1A2
                                                    └────── OR1A1