TABLE 1.
Receptor | Binding profile | Affinity category | Ki (nM) |
Dopamine type 3 | Partial agonist | High | 0.085 |
Dopamine type 2L | Partial agonist | High | 0.49 |
Dopamine type 2S | Partial agonist | High | 0.69 |
Serotonin type 2B | Antagonist | High | 0.58 |
Serotonin type 1A | Partial agonist | High | 3.0 |
Serotonin type 2A | Antagonist | Moderate | 19.0 |
Histamine type 1 | Antagonist | Moderate | 23.0 |
Serotonin type 7 | Antagonist | Low | 111.0 |
Serotonin type 2C | Antagonist | Low | 134.0 |
Alpha type 1A | Antagonist | Low | 155 |
Muscarinic | Antagonist | No appreciable affinity | IC50 > 1,000 |
Ki, Inhibition Constant; PDSP, Psychoactive Drug Screening Program. All Ki values have been taken from the PDSD Ki database except for alpha type 1A and muscarinic Ki values that are from Citrome 2015 (4).