Competition of [Tyr14]OFQ/N binding to the cloned NOP1 receptor in CHO cells
| Ligand | Ki values |
|---|---|
| nM | |
| OFQ/N | 0.088 ± 0.007 |
| [Tyr14]OFQ/N | 0.071 ± 0.019 |
| OFQ/N(1–7) | >1000 |
| OFQ/N(1–11) | 55 ± 22 |
| NalBzoH | 310 ± 75 |
| Morphine | >1000 |
| U50,488H | >1000 |
| DPDPE | >1000 |
| Diprenorphine | >1000 |
Data taken from Pan et al., 1996c.