title: An actomyosin motor.
abstract: I would like to report some results obtained by Yano , Yamamoto and myself on a novel system ( Yano et al., 1982) we have named the actomyosin motor in which a rotor with attached F-actin rotates in a specific direction, driven by the ATP-splitting interaction with active fragments of myosin, heavy meromyosin or subfragment-1, in a solution containing MgATP. The actomyosin motor is not only interesting as a new kind of motor made of biological material but also, as a stream cell ( Yano , 1978; Yano et al., 1978; Yano & Shimizu, 1978; Shimizu & Yano , 1978; Shimizu, 1979), is suitable for the study of chemo-mechanical coupling by actin and active fragments of myosin. Active motion of the motor was observed in almost 100% of the experiments, when carefully performed.
mesh_terms: D000205:Actomyosin / Q000378:metabolism*; D000255:Adenosine Triphosphate / Q000378:metabolism; D000818:Animals; D007700:Kinetics; D009119:Muscle Contraction; D009132:Muscles / Q000378:metabolism*; D015879:Myosin Subfragments / Q000378:metabolism; D009218:Myosins / Q000378:metabolism; D010446:Peptide Fragments / Q000378:metabolism; D012399:Rotation
chemical_list: D015879:Myosin Subfragments; D010446:Peptide Fragments; D000255:Adenosine Triphosphate; D000205:Actomyosin; D009218:Myosins