Literature DB >> 6539341

Motion of myosin filaments due to interaction of the two-headed myosin crossbridge with two actin filaments.

N P Sydorenko.   

Abstract

A model of a two-headed myosin crossbridge, whose motion is realized by alternate stepping of its two heads on two actin filaments, is proposed. The geometrical possibility of such crossbridge stepping in contracting skeletal muscle is shown, provided that a free myosin head can bind to an actin filament at a right angle and the attached one can tilt to a greater angle than 45 degrees. Motion of a myosin-like protein along actin filaments in Characean alga cells can proceed by a similar mechanism.

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Year:  1984        PMID： 6539341     DOI： 10.1007/bf00712151

Source DB:  PubMed          Journal:  J Muscle Res Cell Motil        ISSN： 0142-4319            Impact factor:   2.698


  24 in total

1.  Muscle structure and theories of contraction.

Authors:  A F HUXLEY
Journal:  Prog Biophys Biophys Chem       Date:  1957

2.  Substructure of the myosin molecule. 3. Preparation of single-headed derivatives of myosin.

Authors:  S S Margossian; S Lowey
Journal:  J Mol Biol       Date:  1973-03-05       Impact factor: 5.469

3.  Electron microscopic studies of superprecipitation with special reference to its optical properties.

Authors:  Y Nonomura; S Ebashi
Journal:  J Mechanochem Cell Motil       Date:  1974

4.  A kinetic theory of striated muscle contraction.

Authors:  V I Deshcherevskiĭ
Journal:  Biorheology       Date:  1971-01       Impact factor: 1.875

5.  Ultrastructure of insect flight muscle. I. Screw sense and structural grouping in the rigor cross-bridge lattice.

Authors:  M K Reedy
Journal:  J Mol Biol       Date:  1968-01-28       Impact factor: 5.469

6.  Three-dimensional reconstruction of F-actin, thin filaments and decorated thin filaments.

Authors:  P B Moore; H E Huxley; D J DeRosier
Journal:  J Mol Biol       Date:  1970-06-14       Impact factor: 5.469

7.  Arrangement of cross-bridges in insect flight muscle in rigor.

Authors:  G Offer; J Couch; E O'Brien; A Elliott
Journal:  J Mol Biol       Date:  1981-10-05       Impact factor: 5.469

8.  Can a myosin molecule bind to two actin filaments?

Authors:  G Offer; A Elliott
Journal:  Nature       Date:  1978-01-26       Impact factor: 49.962

9.  Heavy meromyosin cross-links thin filaments in striated muscle myofibrils.

Authors:  J Borejdo; A Oplatka
Journal:  Nature       Date:  1981-05-28       Impact factor: 49.962

10.  A new model for the geometry of the binding of myosin crossbridges to muscle thin filaments.

Authors:  K A Taylor; L A Amos
Journal:  J Mol Biol       Date:  1981-04-05       Impact factor: 5.469
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