Journal
BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS
Volume 1789, Issue 1, Pages 58-68Publisher
ELSEVIER
DOI: 10.1016/j.bbagrm.2008.07.009
Keywords
Chromatin; Transcription; Histone modification; Histone acetyltransferase; Histone demethylase
Categories
Funding
- National Institutes of Health [GM60293, GM073839]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM060293, R01GM073839] Funding Source: NIH RePORTER
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Histone modifying enzymes catalyze the addition or removal of an array of covalent modifications in histone and non-histone proteins. Within the context of chromatin, these modifications regulate gene expression as well as other genomic functions and have been implicated in establishing and maintaining a heritable epigenetic code that contributes to defining cell identity and fate. Biochemical and structural characterization of histone modifying enzymes has yielded important insights into their respective catalytic mechanisms, substrate specificities, and regulation. In this review, we summarize recent advances in understanding these enzymes, highlighting studies of the histone acetyltransferases (HATS) p300 (also now known as KAT3B) and Rtt109 (KAT11) and the histone lysine demethylases (HDMs) LSD1 (KDM1) and JMJD2A (KDM4A), present overriding themes that derive from these studies, and pose remaining questions concerning their regulatory roles in mediating DNA transactions. (C) 2008 Elsevier B.V. All rights reserved.
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