title: Calcium and papaverine interaction with soluble cardiac phosphodiesterase.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000302:isolation & purification / Q000378:metabolism*; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D002417:Cattle; D000242:Cyclic AMP / Q000378:metabolism; D004347:Drug Interactions; D004533:Egtazic Acid / Q000494:pharmacology; D007093:Imidazoles / Q000494:pharmacology; D066298:In Vitro Techniques; D009206:Myocardium / Q000201:enzymology*; D009638:Norepinephrine / Q000494:pharmacology; D010208:Papaverine / Q000494:pharmacology*; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism*
chemical_list: D007093:Imidazoles; D004533:Egtazic Acid; D010208:Papaverine; D000242:Cyclic AMP; D010727:Phosphoric Diester Hydrolases; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D002118:Calcium; D009638:Norepinephrine