Specific factor conferring nuclease hypersensitivity at the 5' end of the chicken adult β-globin gene

B. M. Emerson, G. Felsenfeld

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Chromatin in the 5' flanking region of the transcriptionally active chicken adult β (β(A) globin genes is hypersensitive to nuclease digestion. When plasmids carrying this gene are combined with histones in the presence of extracts from 9-day-old chicken erythrocyte nuclei, the resultant complex displays hypersensitive behavior in the same region. No such behavior is observed with extracts from cells in which the β(A)-globin gene is not expressed. Partially purified preparations of the factor conferring hypersensitivity bind preferentially to DNA fragments containing the hypersensitive region.

Original languageEnglish (US)
Pages (from-to)95-99
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number1 I
StatePublished - Jan 1 1984


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