Table 2. Candidates by Target.

candidate count	target mechanism	target family
13	enzymes	enzymes
4	cannabinoids	GPCR
13	dopaminergic GPCR	GPCR
2	histaminergic GPCR	GPCR
2	muscarinic	GPCR
4	opioids	GPCR
13	peptide GPCR	GPCR
16	serotonergic GPCR	GPCR
6	calcium channel	ion channels
11	GABA receptors	ligand-gated ion channel
5	glutamate receptors	ligand-gated ion channel
8	nicotinic	ligand-gated ion channel
11	reuptake inhibitors	transporters