title: 5'-Guanylylimidodiphosphate-activated adenylate cyclase of cardiac sarcolemma displays higher affinity for magnesium ions.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000262:Adenylyl Cyclases / Q000378:metabolism*; D000818:Animals; D004789:Enzyme Activation / Q000187:drug effects; D005260:Female; D006160:Guanosine Triphosphate / Q000031:analogs & derivatives*; D006165:Guanylyl Imidodiphosphate / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D008274:Magnesium / Q000378:metabolism*; D008345:Manganese / Q000378:metabolism; D009124:Muscle Proteins / Q000378:metabolism; D009206:Myocardium / Q000201:enzymology* / Q000648:ultrastructure; D010740:Phospholipases / Q000494:pharmacology; D012508:Sarcolemma / Q000201:enzymology*; D013696:Temperature; D014357:Trypsin / Q000494:pharmacology
chemical_list: D009124:Muscle Proteins; D006165:Guanylyl Imidodiphosphate; D008345:Manganese; D006160:Guanosine Triphosphate; D000255:Adenosine Triphosphate; D010740:Phospholipases; D014357:Trypsin; D000262:Adenylyl Cyclases; D008274:Magnesium; D007545:Isoproterenol