[Superprecipitation of synthetic actomyosin after denervation].

Superprecipitation of synthetic actomyosin formed from intact myosin and actin extracted from rabbit white skeletal muscles after denervation was compared with that of intact synthetic actomyosin. Superprecipitation was characterized by two parameters: (1) the value of superprecipitation delta E determining an increase in the absorption from minimum to maximum values, and (2) the time required for the half-maximum increase (t1/2) which is inverse of the velocity constant. It was shown that delta E and the velocity constant decrease and t1/2 after denervation. It is assumed that this effect is related to the changes in actin structure.