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The Pitch of Chromatin DNA is Reflected in its Nucleotide Sequence

Edward N. Trifonov and Joel L. Sussman
Proceedings of the National Academy of Sciences of the United States of America
Vol. 77, No. 7, [Part 2: Biological Sciences] (Jul., 1980), pp. 3816-3820
Stable URL: http://www.jstor.org/stable/8983
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Pitch of Chromatin DNA is Reflected in its Nucleotide Sequence
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Abstract

A correlation analysis of chromatin DNA nucleotide sequences reveals the clear tendency of some of the dinucleotides to be repeated along the sequences with periods of 3 and about 10.5 bases. This latter period, which is equal within experimental error to recent estimates of the pitch of the DNA double helix [Wang, J. (1979) Proc. Natl. Acad. Sci. USA 76, 200-203; Trifonov, E. & Bettecken, T. (1979) Biochemistry 18, 454-456] is interpreted as a reflection of the deformational anisotropy of the DNA molecule that facilitates its smooth folding in chromatin.

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