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Science 6 May 1966:
Vol. 152. no. 3723, pp. 794 - 796
DOI: 10.1126/science.152.3723.794
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Articles

Tropomyosin Paracrystals Formed by Divalent Cations

Carolyn Cohen 1 and William Longley 1

1 Children's Cancer Research Foundation, Boston, Massachusetts

Rabbit tropomyosin exhibits a polymorphism dependent on divalent cations and pH. Above a critical divalent cation concentration fibers with a period of about 400 angstroms are formed. Below this concentration, and near the isoelectric point, lattices are formed. Implications for the morphology and function of striated and smooth muscle are discussed.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Seeing and Knowing in Structural Biology.
C. Cohen (2007)
J. Biol. Chem. 282, 32529-32538
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The Early History of the Biochemistry of Muscle Contraction.
A. G. Szent-Gyorgyi (2004)
J. Gen. Physiol. 123, 631-641
   Full Text »    PDF »
Regulatory Proteins of Muscle with Special Reference to Troponin.
S. Ebashi, I. Ohtsuki, and K. Mihashi (1973)
Cold Spring Harb Symp Quant Biol 37, 215-223
   Abstract »    PDF »
Troponin Subunits and Their Interactions.
M. L. Greaser, M. Yamaguchi, C. Brekke, J. Potter, and J. Gergely (1973)
Cold Spring Harb Symp Quant Biol 37, 235-244
   Abstract »    PDF »
Tropomyosin-Troponin Assembly.
C. Cohen, D. L. D. Caspar, J. P. Johnson, K. Nauss, S. S. Margossian, and D. A. D. Parry (1973)
Cold Spring Harb Symp Quant Biol 37, 287-297
   Abstract »    PDF »
The Core Component of the Myosin-Containing Elements of Vertebrate Smooth Muscle.
J. V. Small and A. Sobieszek (1973)
Cold Spring Harb Symp Quant Biol 37, 439-442
   Abstract »    PDF »
Tropomyosin Crystal Dynamics.
C. Cohen, D. L. D. Caspar, D. A. D. Parry, and R. M. Lucas (1972)
Cold Spring Harb Symp Quant Biol 36, 205-216
   Abstract »    PDF »
Paramyosin: Molecular Length and Assembly.
J. Kendrick-Jones, C. Cohen, A. G. Szent-Gyorgyi, and W. Longley (1969)
Science 163, 1196-1198
   Abstract »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)