Population
Synthetic filaments of scallop striated muscle myosin and native myosin filaments in a crude homogenate of…
Comparison
Activating conditions or rigor conditions vs Relaxing conditions (ATP/low Ca2+)
Design
Preclinical
Authors
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May reflect relaxed-state myosin protection in striated muscle; leaves open extension to cardiac myosin regulation.
The ordered structure of scallop striated muscle myosin filaments occurs only in the relaxed state, requiring both hydrolyzed ATP on myosin heads and the absence of Ca2+.
Frado et al. (1989) studied this question.
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