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. 1978 Mar 9;272(5649):134-8.
doi: 10.1038/272134a0.

31P magnetic resonance of DNA in nucleosome core particles of chromatin

N R Kallenbach, D W Appleby, C H Bradley

31P magnetic resonance of DNA in nucleosome core particles of chromatin

N R Kallenbach et al. Nature. .

Abstract

The 31P magnetic resonance spectrum of nucleosome cores from calf thymus nuclei has been measured. The spectrum consists of a single symmetric line, with a maximum second component of 5%. It is argued that this reflects a single average state of the DNA backbone, and does not support models that invoke backbone kinking at a frequency of 1 in 10 base pairs.

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