論文

査読有り
2018年12月1日

Rapid labelling and covalent inhibition of intracellular native proteins using ligand-directed N-Acyl-N-Alkyl sulfonamide

Nature Communications
  • Tomonori Tamura
  • ,
  • Tsuyoshi Ueda
  • ,
  • Taiki Goto
  • ,
  • Taku Tsukidate
  • ,
  • Yonatan Shapira
  • ,
  • Yuki Nishikawa
  • ,
  • Alma Fujisawa
  • ,
  • Itaru Hamachi

9
1
開始ページ
1870
終了ページ
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1038/s41467-018-04343-0
出版者・発行元
Nature Publishing Group

Selective modification of native proteins in live cells is one of the central challenges in recent chemical biology. As a unique bioorthogonal approach, ligand-directed chemistry recently emerged, but the slow kinetics limits its scope. Here we successfully overcome this obstacle using N-Acyl-N-Alkyl sulfonamide as a reactive group. Quantitative kinetic analyses reveal that ligand-directed N-Acyl-N-Alkyl sulfonamide chemistry allows for rapid modification of a lysine residue proximal to the ligand binding site of a target protein, with a rate constant of ~104 M-1 s-1, comparable to the fastest bioorthogonal chemistry. Despite some off-Target reactions, this method can selectively label both intracellular and membrane-bound endogenous proteins. Moreover, the unique reactivity of N-Acyl-N-Alkyl sulfonamide enables the rational design of a lysine-Targeted covalent inhibitor that shows durable suppression of the activity of Hsp90 in cancer cells. This work provides possibilities to extend the covalent inhibition approach that is currently being reassessed in drug discovery.

リンク情報
DOI
https://doi.org/10.1038/s41467-018-04343-0
URL
http://repository.kulib.kyoto-u.ac.jp/dspace/handle/2433/231114
ID情報
  • DOI : 10.1038/s41467-018-04343-0
  • ISSN : 2041-1723
  • SCOPUS ID : 85047004402

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