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Myosin ATPase product dissociation

However, release of ADP and P from myosin is much slower. Actin activates myosin ATPase activity by stimulating the release of P and then ADP. Product release is followed by the binding of a new ATP to the actomyosin complex, which causes actomyosin to dissociate into free actin and myosin. The cycle of ATP hydrolysis then repeats, as shown in Figure 17.23a. The crucial point of this model is that ATP hydrolysis and the association and dissociation of actin and myosin are coupled. It is this coupling that enables ATP hydrolysis to power muscle contraction. [Pg.552]


See other pages where Myosin ATPase product dissociation is mentioned: [Pg.163]    [Pg.1884]    [Pg.560]    [Pg.159]    [Pg.162]    [Pg.1108]    [Pg.164]    [Pg.552]    [Pg.1885]    [Pg.759]    [Pg.195]    [Pg.174]    [Pg.213]   
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