ATP binding causes myosin to release actin, allowing actin and myosin to detach from each other. After this happens, the newly bound ATP is converted to ADP ...

The sliding filament theory, which states that the sliding of actin past myosin generates muscle tension.

As long as Ca++ ions remain in the sarcoplasm to bind to troponin, and as long as ATP is available, the muscle fiber will continue to shorten. Muscle ...

19 мая 2024 г. · Myosin has another binding site for ATP at which enzymatic activity hydrolyzes ATP to ADP, releasing an inorganic phosphate molecule and energy.

16 авг. 2021 г. · The chemical energy lost in the hydrolysis of ATP is transferred to the physical movement of the myosin head from the position at the end of the ...

Contraction of cardiac muscle occurs due to the binding of the myosin head to ATP, which pulls actin filaments to the center of the sarcomere, the mechanical ...

23 нояб. 2024 г. · Once myosin binds to the actin, the Pi is released, and the myosin undergoes a conformational change to a lower energy state. As myosin expends ...

At physiological concentrations of ATP, myosin binds ATP in less than 1 millisecond. Energy from ATP binding allows a conformational change in the myosin that ...

Продолжительность: 9:38
Опубликовано: 6 мая 2011 г.

A sarcomere comprises two main protein filaments (thin actin and thick myosin filaments) which are the active structures responsible for muscular contraction.