NMR studies on the N-terminal acetylation domain of histone H4

E. Bang, C. H. Lee, Jong-Bok Yoon, J. Chung, Woon Lee Dai Woon Lee, Weon Tae Lee

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Abstract

Histones, nuclear proteins that interact with DNA to form nucleosomes, are essential for both the regulation of transcription and the packaging of DNA within chromosomes. The N-terminal domain of histone H4 which contains four acetylation sites at lysines, may play a separate role in chromatin structure from the remainder of the H4 chain. NMR data suggest that H4 NTP peptide does have relating disordered structure at physiological pH, however, it has a defined structure at lower pH conditions. The solution structure calculated from NMR data shows a well structured region comprising residues of Val21-Asp24. In addition, our results suggest that the H4 NTP prefers an extended backbone conformation at acetylation sites, however, it (especially Lys 12 ) became more defined structures after acetylation for its optimum function.

Original languageEnglish
Pages (from-to)507-513
Number of pages7
JournalBulletin of the Korean Chemical Society
Volume22
Issue number5
Publication statusPublished - 2001 May 20

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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