Journal
BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS
Volume 1819, Issue 3-4, Pages 256-263Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbagrm.2011.07.006
Keywords
HAT1; HAT2; NASP; Chromatin assembly; Histone chaperone; Histone acetylation
Categories
Funding
- National Institutes of Health [GM062970]
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Histone acetyltransferase 1 (HAT1) is an enzyme that is likely to be responsible for the acetylation that occurs on lysines 5 and 12 of the NH2-terminal tail of newly synthesized histone H4. Initial studies suggested that, despite its evolutionary conservation, this modification of new histone H4 played only a minor role in chromatin assembly. However, a number of recent studies have brought into focus the important role of both this modification and HAT1 in histone dynamics. Surprisingly, the function of HAT1 in chromatin assembly may extend beyond just its catalytic activity to include its role as a major histone binding protein. These results are incorporated into a model for the function of HAT1 in histone deposition and chromatin assembly. This article is part of a Special Issue entitled: Histone chaperones and Chromatin assembly. (C) 2011 Elsevier B.V. All rights reserved.
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