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
────────────────────┬───────────┬───────┬───┬────────── OR14A16
                    │           │       │   └────────── OR14I1
                    │           │       └───┬────────── OR14L1
                    │           │           └────── OR14J1
                    │           └───┬────────── OR14K1
                    │               └────── OR14A2
                    └────────── OR14C36