CA2+-free perfusion of rat heart reveals a (Na+ +  K+)ATPase form highly sensitive to ouabain.
D000818:Animals; D002118:Calcium / Q000172:deficiency*; D004305:Dose-Response Relationship, Drug; D006321:Heart / Q000187:drug effects; D008297:Male; D009206:Myocardium / Q000201:enzymology*; D010042:Ouabain / Q000494:pharmacology*; D010477:Perfusion; D051381:Rats; D011919:Rats, Inbred Strains; D000254:Sodium-Potassium-Exchanging ATPase / Q000378:metabolism*
D010042:Ouabain; D000254:Sodium-Potassium-Exchanging ATPase; D002118:Calcium