title: Natural F-actin. 3. Natural F-actin as inactive polymer.
mesh_terms: D000251:Adenosine Triphosphatases; D001718:Birefringence; D002118:Calcium; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D007700:Kinetics; D009124:Muscle Proteins; D014732:Vibration; D014783:Viscosity
chemical_list: D009124:Muscle Proteins; D000251:Adenosine Triphosphatases; D002118:Calcium