SEARCH Articles Figures Tables Acetylcholine agonistic binding site Agonist high affinity binding, guanine nucleotides effect Agonist ligand binding Agonist ternary complex binding Agonist-binding domain Agonists binding and activation Binding nonpeptide agonists Ligand affinity agonist-receptor binding, dissociation NAChR agonistic binding site Opioid agonists binding data Opioid receptors agonist binding Radioligand binding studies agonists Receptor agonist binding The Distinction between Agonist Binding and Receptor Activation