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Literature DB >> 6456450

The characterisation of 1SF monomer nucleosomes from hen oviduct and the partial characterisation of a third HMG14/17-like in such nucleosomes.

Abstract

Nucleosomes released from oviduct nuclei during brief micrococcal nuclease digestions are enriched in transcribed sequences (bloom K.S. and Anderson, J.N. (1978) Cell, 15, 141-150). Such nucleosomes released into this 1Sf supernatant fraction are enriched in proteins HMG14, 17 and a third lower molecular weight protein which we show in this paper to be related to HMG14 and 17. This protein, which we call HMGY, runs as a doublet on polyacrylamide gels. A similar doublet is present in smaller quantities in chicken erythrocyte nuclei. Monomer nucleosomes in the 1SF supernatant have been separated by polyacrylamide gel electrophoresis into two main bands. The slower moving band contains the three HMG proteins HMG14, 17 and Y but lacks histone H1.

Entities: Chemical Gene Species

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Year: 1981 PMID： 6456450 PMCID： PMC326891 DOI： 10.1093/nar/9.12.2761

Source DB: PubMed Journal: Nucleic Acids Res ISSN： 0305-1048 Impact factor: 16.971

25 in total

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Journal: Cell Date: 1978-09 Impact factor: 41.582

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5 in total