COMPARATIVE STUDIES OF LIGHT MEROMYOSIN PARACRYSTALS DERIVED FROM RED, WHITE, AND CARDIAC MUSCLE MYOSINS

Nakamura , A.; Sreter , F.; Gergely , J.

doi:10.1083/jcb.49.3.883

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Article| June 01 1971

COMPARATIVE STUDIES OF LIGHT MEROMYOSIN PARACRYSTALS DERIVED FROM RED, WHITE, AND CARDIAC MUSCLE MYOSINS

A. Nakamura,

A. Nakamura

From the Department of Muscle Research, Boston Biomedical Research Institute; Department of Neurology, Massachusetts General Hospital; and Departments of Neurology and Biological Chemistry, Harvard Medical School, Boston, Massachusetts 02114

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F. Sreter,

F. Sreter

From the Department of Muscle Research, Boston Biomedical Research Institute; Department of Neurology, Massachusetts General Hospital; and Departments of Neurology and Biological Chemistry, Harvard Medical School, Boston, Massachusetts 02114

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J. Gergely

From the Department of Muscle Research, Boston Biomedical Research Institute; Department of Neurology, Massachusetts General Hospital; and Departments of Neurology and Biological Chemistry, Harvard Medical School, Boston, Massachusetts 02114

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Author and Article Information

A. Nakamura

From the Department of Muscle Research, Boston Biomedical Research Institute; Department of Neurology, Massachusetts General Hospital; and Departments of Neurology and Biological Chemistry, Harvard Medical School, Boston, Massachusetts 02114

F. Sreter

From the Department of Muscle Research, Boston Biomedical Research Institute; Department of Neurology, Massachusetts General Hospital; and Departments of Neurology and Biological Chemistry, Harvard Medical School, Boston, Massachusetts 02114

J. Gergely

From the Department of Muscle Research, Boston Biomedical Research Institute; Department of Neurology, Massachusetts General Hospital; and Departments of Neurology and Biological Chemistry, Harvard Medical School, Boston, Massachusetts 02114

Received: August 20 1970

Revision Received: September 28 1970

Online ISSN: 1540-8140

Print ISSN: 0021-9525

1971

J Cell Biol (1971) 49 (3): 883–898.

https://doi.org/10.1083/jcb.49.3.883

Tryptic and chymotryptic light meromyosin paracrystals from red and cardiac muscles of rabbit show a negative and positive staining pattern with uranyl acetate and phosphotungstate that sharply differs from that of white muscle light meromyosin paracrystals. The main periodicity of about 430 A is the same regardless of the source of light meromyosin. The results are discussed in terms of the molecular structure and the functional properties of various myosins.

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COMPARATIVE STUDIES OF LIGHT MEROMYOSIN PARACRYSTALS DERIVED FROM RED, WHITE, AND CARDIAC MUSCLE MYOSINS

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