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New Low Resolution Model for 50S Subunit of Escherichia coli Ribosomes

H. B. Stuhrmann, J. Haas, K. Ibel, B. De Wolf, M. H. J. Koch, R. Parfait and R. R. Crichton
Proceedings of the National Academy of Sciences of the United States of America
Vol. 73, No. 7 (Jul., 1976), pp. 2379-2383
Stable URL: http://www.jstor.org/stable/65775
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.
New Low Resolution Model for 50S Subunit of Escherichia coli Ribosomes
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Abstract

Neutron low angle scattering studies of the 50S subunit of E. coli ribosomes with the contrast variation method reveals large fluctuations in the scattering density. A region of relatively low scattering density, rich in proteins, surrounds an RNA-rich core of higher scattering density. The centers of mass of the RNA and protein parts of the 50S subunit are separated by a distance (20 angstrom) that is considerably smaller than that reported in previous studies.

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