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Concise Publication Free access | 10.1172/JCI107698

Proteolysis of Myosin during Platelet Storage

Joel Abramowitz, Alfred Stracher, and Thomas C. Detwiler

1Department of Biochemistry, State University of New York Downstate Medical Center, Brooklyn, New York 11203

Find articles by Abramowitz, J. in: JCI | PubMed | Google Scholar

1Department of Biochemistry, State University of New York Downstate Medical Center, Brooklyn, New York 11203

Find articles by Stracher, A. in: JCI | PubMed | Google Scholar

1Department of Biochemistry, State University of New York Downstate Medical Center, Brooklyn, New York 11203

Find articles by Detwiler, T. in: JCI | PubMed | Google Scholar

Published May 1, 1974 - More info

Published in Volume 53, Issue 5 on May 1, 1974
J Clin Invest. 1974;53(5):1493–1496. https://doi.org/10.1172/JCI107698.
© 1974 The American Society for Clinical Investigation
Published May 1, 1974 - Version history
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Abstract

Physical properties of actomyosin from either fresh or stored platelets have been compared. Actomyosin obtained from platelets after 3 days of storage contained myosin that was 60-80% degraded to myosin rod. No myosin rod was detected in fresh platelets. The platelet myosin rod is similar to the rod produced by limited proteolysis of skeletal muscle myosin.

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