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Gene. 2004 Dec 8;343(1):1-9.

The DEK protein--an abundant and ubiquitous constituent of mammalian chromatin.

Author information

  • 1University of Konstanz, Department of Biology, 78457 Konstanz, Germany. Tanja.Waldmann@gmx.de

Abstract

The protein DEK is an abundant and ubiquitous chromatin protein in multicellular organisms (not in yeast). It is expressed in more than a million copies/nucleus of rapidly proliferating mammalian cells. DEK has two DNA binding modules of which one includes a SAP box, a sequence motif that DEK shares with a number of other chromatin proteins. DEK has no apparent affinity to specific DNA sequences, but preferentially binds to superhelical and cruciform DNA, and induces positive supercoils into closed circular DNA. The available evidence strongly suggests that DEK could function as an architectural protein in chromatin comparable to the better known classic architectural chromatin proteins, the high-mobility group or HMG proteins.

PMID:
15563827
DOI:
10.1016/j.gene.2004.08.029
[PubMed - indexed for MEDLINE]
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