title: Ca2+ regulation in vascular smooth muscle.
abstract: Regulation of aorta smooth muscle contraction by Ca ion requires the collaboration of the 80,000 dalton factor and tropomyosin. A method for preparing pure actin from aorta smooth muscle is described.
mesh_terms: D000199:Actins / Q000378:metabolism; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000818:Animals; D001011:Aorta / Q000378:metabolism*; D002118:Calcium / Q000494:pharmacology*; D002417:Cattle; D007700:Kinetics; D008970:Molecular Weight; D009218:Myosins / Q000378:metabolism*; D014335:Tropomyosin / Q000378:metabolism
chemical_list: D000199:Actins; D014335:Tropomyosin; D000251:Adenosine Triphosphatases; D009218:Myosins; D002118:Calcium