Table 2.
Binding affinities of 5-HT4 ligands 8, 13 and 17 forother 5-HT receptors/binding sites.
| Binding site or receptor | Binding affinities (Ki) (nM) |
||
|---|---|---|---|
| Ligand 8 | Ligand 13 | Ligand 17 | |
| h5-HT4 | 2.0 | 2.4 | 2.1 |
| h5-HT1A | 300 | >10,000 | >10,000 |
| h5-HT1B | 820 | >10,000 | >10,000 |
| h5-HT1D | 1,304 | 5,686 | 2,856 |
| h5-HT1E | >10,000 | >10,000 | >10,000 |
| h5-HT2A | 1,776 | >10,000 | >10,000 |
| h5-HT2B | 66 | 2,861 | 168 |
| h5-HT2C | 685 | >10,000 | 8,363 |
| h5-HT3 | 1,072 | 3,511 | >10,000 |
| h5-HT5A | 8,589 | >10,000 | >10,000 |
| h5-HT6 | 489 | >10,000 | >10,000 |
| h5-HT7 | 5,702 | >10,000 | >10,000 |
| hSERT | 9,006 | >10,000 | >10,000 |