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. 1980 Nov 25;8(22):5363-75.
doi: 10.1093/nar/8.22.5363.

Different repeat lengths in rat satellite I DNA containing chromatin and bulk chromatin

A Omori, T Igo-Kemenes, H G Zachau
Free PMC article

Different repeat lengths in rat satellite I DNA containing chromatin and bulk chromatin

A Omori et al. Nucleic Acids Res. .
Free PMC article

Abstract

The nucleosome repeat structure of a rat liver chromatin component containing the satellite I DNA (repeat length 370 bp) was investigated. Digestion experiments with micrococcal nuclease, DNAase II, and the Ca2+/Mg2+-dependent endogenous nuclease of rat liver nuclei revealed a repeat unit of 185 nucleotide pairs which is shorter by approximately 10 bp than the repeat unit of the bulk chromatin of this cell type. The difference seems not to be related to the histone composition which was found to be similar in the two types of chromatin.

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