Table 2.

Drug modes of action and edge signs

Sign	DrugBank actions
Positive	agonist; partial agonist; activator; stimulator; inducer;
	positive allosteric modulator; potentiator; positive modulator
Negative	inhibitor; inhibitory allosteric modulator; inhibitor, competitive; antagonist; partial antagonist; negative modulator; inverse agonist; blocker; suppressor; desensitize the target; neutralizer; reducer
Not classifiable	antibody; cofactor; modulator; binder; chaperone; cleavage; metabolizer; ligand; product of; component of; chelator; cross-linking/alkylation; intercalation; adduct; acetylation; allosteric modulator.