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Synthesis of HDAC Substrate Peptidomimetic Inhibitors Using Fmoc Amino Acids Incorporating Zinc-Binding Groups.


ABSTRACT: Syntheses of Fmoc amino acids having zinc-binding groups were prepared and incorporated into substrate inhibitor H3K27 peptides using Fmoc/tBu solid-phase peptide synthesis (SPPS). Peptide 11, prepared using Fmoc-Asu(NHOtBu)-OH, is a potent inhibitor (IC50 = 390 nM) of the core NuRD corepressor complex (HDAC1-MTA1-RBBP4). The Fmoc amino acids have the potential to facilitate the rapid preparation of substrate peptidomimetic inhibitor (SPI) libraries in the search for selective HDAC inhibitors.

SUBMITTER: Mahindra A 

PROVIDER: S-EPMC6503537 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Synthesis of HDAC Substrate Peptidomimetic Inhibitors Using Fmoc Amino Acids Incorporating Zinc-Binding Groups.

Mahindra Amit A   Millard Christopher J CJ   Black Iona I   Archibald Lewis J LJ   Schwabe John W R JWR   Jamieson Andrew G AG  

Organic letters 20190418 9


Syntheses of Fmoc amino acids having zinc-binding groups were prepared and incorporated into substrate inhibitor H3K27 peptides using Fmoc/<sup>t</sup>Bu solid-phase peptide synthesis (SPPS). Peptide 11, prepared using Fmoc-Asu(NHO<sup>t</sup>Bu)-OH, is a potent inhibitor (IC<sub>50</sub> = 390 nM) of the core NuRD corepressor complex (HDAC1-MTA1-RBBP4). The Fmoc amino acids have the potential to facilitate the rapid preparation of substrate peptidomimetic inhibitor (SPI) libraries in the search  ...[more]

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