Synonyms : ATPase, Actin-S1, Actin S1 ATPase, Actoheavy Meromyosin, Actomyosin Subfragment 1 ATPase, H-Meromyosin, Heavy Meromyosin, Heavy Meromyosin Subfragment-1, Heavy Meromyosin Subfragment-2, Light Meromyosin, Myosin Subfragment-1, Myosin Subfragment-2, Actin-S1 ATPase