Fast kinetic studies on the interaction of cholinergic agonists with the membrane-bound acetylcholine receptor from Torpedo marmorata as revealed by quinacrine fluorescence.

Acetylcholine/metabolism,pharmacology Animals Carbachol/pharmacology Choline/analogs & derivatives,metabolism Electric Organ/metabolism Fishes/metabolism Fluorescence In Vitro Techniques Kinetics Parasympathomimetics/metabolism Quinacrine Receptors, Cholinergic/metabolism Spectrometry, Fluorescence Temperature

Parasympathomimetics Receptors, Cholinergic Carbachol Quinacrine Choline Acetylcholine