An agonist-specific effect of guanine nucleotides on binding to the beta adrenergic receptor.

Adrenergic beta-Agonists/pharmacology Adrenergic beta-Antagonists/pharmacology Alprenolol/pharmacology Binding Sites Binding, Competitive Cell Line Epinephrine/pharmacology Guanine Nucleotides/pharmacology Kinetics Pindolol/analogs & derivatives Protein Binding Receptors, Adrenergic/drug effects Structure-Activity Relationship

Adrenergic beta-Agonists Adrenergic beta-Antagonists Guanine Nucleotides Receptors, Adrenergic Alprenolol Pindolol Epinephrine