Live Cell Synthetic Histone Acetylation by Chemical Catalyst.
Methods in molecular biology (Clifton, N.J.)(2023)
摘要
Posttranslational modifications (PTMs) of histones, such as lysine acetylation and ubiquitination, regulate chromatin structure and gene expression. In living organisms, histone PTMs are catalyzed by histone-modifying enzymes. Here, we describe an entirely chemical method to introduce histone modifications in living cells without genetic manipulation. The chemical catalyst PEG-LANA-DSSMe activates a thioester acetyl donor, N,S-diacetylcysteamine (NAC-Ac), and promotes regioselective, synthetic histone acetylation at H2BK120 in living cells.
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关键词
Acetylation,Catalyst,Histone
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