title: Polyamines and muscle relaxation. Inhibition of actomyosin ATPase activity by spermine and spermidine.
mesh_terms: D000251:Adenosine Triphosphatases / Q000037:antagonists & inhibitors*; D000588:Amines / Q000494:pharmacology*; D000818:Animals; D002118:Calcium; D006863:Hydrogen-Ion Concentration; D008274:Magnesium; D009124:Muscle Proteins / Q000378:metabolism*; D009132:Muscles; D009210:Myofibrils / Q000201:enzymology*; D011817:Rabbits; D013096:Spermine / Q000494:pharmacology*
chemical_list: D000588:Amines; D009124:Muscle Proteins; D013096:Spermine; D000251:Adenosine Triphosphatases; D008274:Magnesium; D002118:Calcium