ATTACHED myosin head RELEASED YDROLYSIS COcKED GENERATING POWER STROKE ADP ATTACHED
Myosin head (Nudeotide binding AhEad dissociates ATP from filament i2 Hydrolyse Head pivots and binds a new actin subunit ADP.P 3P release Head pivots and moves P ADP ADP release ADP
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ATP ATP Power stroke ADP Fi igure 9.63 A model of the actinomyosin contractile cy- cle. The movement of the thin filament by the force-generat ing myosin head occurs as the result of a linkage between a
f e L ttoskeleTorT ance catmull ds to s CCa tct MICH Active ealnodul MLCK complex Lirht chain na(tive myosin Active resin