Cardiac muscarinic cholinergic receptor binding is regulated by Na+ and guanyl nucleotides.
D000818:Animals; D001285:Atropine / Q000378:metabolism; D001667:Binding, Competitive; D002414:Cations, Monovalent; D006160:Guanosine Triphosphate / Q000031:analogs & derivatives*; D006165:Guanylyl Imidodiphosphate / Q000494:pharmacology*; D007700:Kinetics; D008297:Male; D009206:Myocardium / Q000378:metabolism*; D010095:Oxotremorine / Q000378:metabolism; D051381:Rats; D011950:Receptors, Cholinergic / Q000378:metabolism*; D011976:Receptors, Muscarinic / Q000187:drug effects / Q000378:metabolism*; D012964:Sodium / Q000494:pharmacology*
D002414:Cations, Monovalent; D011950:Receptors, Cholinergic; D011976:Receptors, Muscarinic; D006165:Guanylyl Imidodiphosphate; D010095:Oxotremorine; D001285:Atropine; D006160:Guanosine Triphosphate; D012964:Sodium