These have implications of ATPase activity of actomyosin in the presence of zinc compounds. However,there are reports thatATPase activitywhichis consideredas an index of denaturation of actomyosin can be inhibited without altering the structure of these proteins. Thus the binding of zinc salts to actomyosin from oil sardine induces conformational changes in the actomyosin molecule. These complexes with the free SH groups at the active site of myosin head leading to alteration in the structure and the function of the molecule.