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Post-translational acetylation of core histones is an enigmatic process. The identification of histone acetyltransferases and deacetylases as co-regulators of transcription in yeast and vertebrates has advanced our understanding of the biological role of histone acetylation and also improved our general insight into the molecular network of gene regulation. Basic features of histone acetylation in...
Specific lysine residues in the N-terminal extensions of core histones can be posttranslationally modified by acetylation of the ϵ-amino group. The dynamic equilibrium of core histone acetylation is established and maintained by histone acetyltransferases and deacetylases. Both enzymes exist as multiple enzyme forms. Histone acetyltransferases and deacetylases have recently been identified as transcriptional...
The cytoplasmic B-type histone acetyltransferase was purified to apparent homogeneity from maize embryos. We established a novel protocol for easy large-scale preparation of acetylated core histone species, using preparative acetic acid-urea-Triton PAGE. The pure maize histone acetyltransferase B was highly specific for histone H4 under various assay conditions, modifying H4 up to the di-acetylated...
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