Hydrolysis of ATP and reversible binding to F-actin by myosin heavy chains free of all light chains.
D000199:Actins / Q000378:metabolism*; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism*; D000818:Animals; D001665:Binding Sites; D002384:Catalysis; D002645:Chickens; D046911:Macromolecular Substances; D009218:Myosins / Q000378:metabolism*; D013329:Structure-Activity Relationship
D000199:Actins; D046911:Macromolecular Substances; D000255:Adenosine Triphosphate; D000251:Adenosine Triphosphatases; D009218:Myosins