Transient state kinetic studies of Ca2+-dependent ATPase and calcium transport by cardiac sarcoplasmic reticulum. Effect of cyclic AMP-dependent protein kinase-catalyzed phosphorylation of phospholamban.

Animals Biological Transport, Active Calcium/metabolism Calcium-Binding Proteins/metabolism Calcium-Transporting ATPases/metabolism Cyclic AMP/pharmacology Dogs Egtazic Acid/pharmacology Kinetics Microsomes/enzymology Myocardium/enzymology Phosphorylation Protein Kinases/metabolism Sarcoplasmic Reticulum/enzymology

Calcium-Binding Proteins phospholamban Egtazic Acid Cyclic AMP Protein Kinases Calcium-Transporting ATPases Calcium