Nakajima, T N-ethylmaleimide uncouples muscarinic receptors from acetylcholine-sensitive potassium channels in bullfrog atrium. [electronic resource] - The Journal of general physiology Oct 1990 - 887-903 p. digital Publication Type: Journal Article ISSN: 0022-1295 Standard No.: 10.1085/jgp.96.4.887 doi Subjects--Topical Terms: Acetylcholine--pharmacologyAnimalsCalcium Channels--drug effectsCyclic AMP--metabolismEthylmaleimide--pharmacologyGuanosine 5'-O-(3-Thiotriphosphate)--pharmacologyHeart Atria--drug effectsIn Vitro TechniquesIsoproterenol--pharmacologyMyocardium--metabolismPotassium Channels--drug effectsRana catesbeianaReceptors, Muscarinic--drug effects