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

────────────────────┬───┬───────┬───────┬───┬───┬────── OR5AT1
                    │   │       │       │   │   └────── OR14A16
                    │   │       │       │   └───┬────── OR5BU1
                    │   │       │       │       └────── OR14I1
                    │   │       │       └───┬───┬────── OR5U1
                    │   │       │           │   └────── OR14L1
                    │   │       │           └────── OR14J1
                    │   │       └───┬───┬────── OR5AY1
                    │   │           │   └────── OR14K1
                    │   │           └────── OR14A2
                    │   └────── OR5AU1
                    └───┬────── OR5BF1
                        └────── OR14C36