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J Am Chem Soc. 2003 May 14;125(19):5586-7.

Structural biasing elements for in-cell histone deacetylase paralog selectivity.

Author information

1
Department of Chemistry and Chemical Biology, Harvard Institute of Chemistry and Cell Biology, and the Howard Hughes Medical Institute, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, USA.

Abstract

We use the structural dissection of two 1,3-dioxanes with in-cell histone deacetylase (HDAC) paralog selectivity to identify key elements for selective HDAC inhibitors. We demonstrate that o-aminoanilides are inactive toward HDAC6 while apparently inhibiting deacetylases that act upon histone substrates. This finding has important clinical implications for the development of HDAC inhibitor-based treatments that do not interfere with microtubule dynamics associated with HDAC6. We also show that suberoylanilide hydroxamic acid (SAHA) alone is a nonparalog-selective HDAC inhibitor and that the 1,3-dioxane diversity appended to SAHA is essential for HDAC6 paralog selectivity.

PMID:
12733869
DOI:
10.1021/ja0341440
[Indexed for MEDLINE]

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