Identifying the proteins to which small-molecule probes and drugs bind in cells

Shao En Ong, Monica Schenone, Adam Margolin, Xiaoyu Li, Kathy Do, Mary K. Doud, D. R. Mani, Letian Kuai, Xiang Wang, John L. Wood, Nicola J. Tolliday, Angela N. Koehler, Lisa A. Marcaurelle, Todd R. Golub, Robert J. Gould, Stuart L. Schreiber, Steven A. Carr

Research output: Contribution to journalArticle

215 Citations (Scopus)

Abstract

Most small-molecule probes and drugs alter cell circuitry by interacting with 1 or more proteins. A complete understanding of the interacting proteins and their associated protein complexes, whether the compounds are discovered by cell-based phenotypic or target- based screens, is extremely rare. Such a capability is expected to be highly illuminating-providing strong clues to the mechanisms used by small-molecules to achieve their recognized actions and suggesting potential unrecognized actions. We describe a powerful method combining quantitative proteomics(SILAC) with affinity enrichment to provide unbiased, robust and comprehensive identification of the proteins that bind to small-molecule probes and drugs. The method is scalable and general, requiring little optimization across different compound classes, and has already had a transformative effect on our studies of small-molecule probes. Here, we describe in full detail the application of the method to identify targets of kinase inhibitors and immunophilin binders.

Original languageEnglish (US)
Pages (from-to)4617-4622
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume106
Issue number12
DOIs
StatePublished - Mar 24 2009
Externally publishedYes

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Pharmaceutical Preparations
Proteins
Immunophilins
Proteomics
Action Potentials
Phosphotransferases

Keywords

  • SILAC
  • Small molecules
  • Target identification

ASJC Scopus subject areas

  • General

Cite this

Identifying the proteins to which small-molecule probes and drugs bind in cells. / Ong, Shao En; Schenone, Monica; Margolin, Adam; Li, Xiaoyu; Do, Kathy; Doud, Mary K.; Mani, D. R.; Kuai, Letian; Wang, Xiang; Wood, John L.; Tolliday, Nicola J.; Koehler, Angela N.; Marcaurelle, Lisa A.; Golub, Todd R.; Gould, Robert J.; Schreiber, Stuart L.; Carr, Steven A.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 106, No. 12, 24.03.2009, p. 4617-4622.

Research output: Contribution to journalArticle

Ong, SE, Schenone, M, Margolin, A, Li, X, Do, K, Doud, MK, Mani, DR, Kuai, L, Wang, X, Wood, JL, Tolliday, NJ, Koehler, AN, Marcaurelle, LA, Golub, TR, Gould, RJ, Schreiber, SL & Carr, SA 2009, 'Identifying the proteins to which small-molecule probes and drugs bind in cells', Proceedings of the National Academy of Sciences of the United States of America, vol. 106, no. 12, pp. 4617-4622. https://doi.org/10.1073/pnas.0900191106
Ong, Shao En ; Schenone, Monica ; Margolin, Adam ; Li, Xiaoyu ; Do, Kathy ; Doud, Mary K. ; Mani, D. R. ; Kuai, Letian ; Wang, Xiang ; Wood, John L. ; Tolliday, Nicola J. ; Koehler, Angela N. ; Marcaurelle, Lisa A. ; Golub, Todd R. ; Gould, Robert J. ; Schreiber, Stuart L. ; Carr, Steven A. / Identifying the proteins to which small-molecule probes and drugs bind in cells. In: Proceedings of the National Academy of Sciences of the United States of America. 2009 ; Vol. 106, No. 12. pp. 4617-4622.
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