Small-molecule hydrophobic tagging-induced degradation of HaloTag fusion proteins

Taavi K. Neklesa, Hyun Seop Tae, Ashley R. Schneekloth, Michael J. Stulberg, Timothy Corson, Thomas B. Sundberg, Kanak Raina, Scott A. Holley, Craig M. Crews

Research output: Contribution to journalArticle

123 Citations (Scopus)

Abstract

The ability to regulate any protein of interest in living systems with small molecules remains a challenge. We hypothesized that appending a hydrophobic moiety to the surface of a protein would mimic the partially denatured state of the protein, thus engaging the cellular quality control machinery to induce its proteasomal degradation. We designed and synthesized bifunctional small molecules to bind a bacterial dehalogenase (the HaloTag protein) and present a hydrophobic group on its surface. Hydrophobic tagging of the HaloTag protein with an adamantyl moiety induced the degradation of cytosolic, isoprenylated and transmembrane HaloTag fusion proteins in cell culture. We demonstrated the in vivo utility of hydrophobic tagging by degrading proteins expressed in zebrafish embryos and by inhibiting Hras1 G12V -driven tumor progression in mice. Therefore, hydrophobic tagging of HaloTag fusion proteins affords small-molecule control over any protein of interest, making it an ideal system for validating potential drug targets in disease models.

Original languageEnglish
Pages (from-to)538-543
Number of pages6
JournalNature Chemical Biology
Volume7
Issue number8
DOIs
StatePublished - Aug 2011

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Proteins
Zebrafish
Quality Control
Membrane Proteins
Embryonic Structures
Cell Culture Techniques
Pharmaceutical Preparations
Neoplasms

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

Neklesa, T. K., Tae, H. S., Schneekloth, A. R., Stulberg, M. J., Corson, T., Sundberg, T. B., ... Crews, C. M. (2011). Small-molecule hydrophobic tagging-induced degradation of HaloTag fusion proteins. Nature Chemical Biology, 7(8), 538-543. https://doi.org/10.1038/nchembio.597

Small-molecule hydrophobic tagging-induced degradation of HaloTag fusion proteins. / Neklesa, Taavi K.; Tae, Hyun Seop; Schneekloth, Ashley R.; Stulberg, Michael J.; Corson, Timothy; Sundberg, Thomas B.; Raina, Kanak; Holley, Scott A.; Crews, Craig M.

In: Nature Chemical Biology, Vol. 7, No. 8, 08.2011, p. 538-543.

Research output: Contribution to journalArticle

Neklesa, TK, Tae, HS, Schneekloth, AR, Stulberg, MJ, Corson, T, Sundberg, TB, Raina, K, Holley, SA & Crews, CM 2011, 'Small-molecule hydrophobic tagging-induced degradation of HaloTag fusion proteins', Nature Chemical Biology, vol. 7, no. 8, pp. 538-543. https://doi.org/10.1038/nchembio.597
Neklesa, Taavi K. ; Tae, Hyun Seop ; Schneekloth, Ashley R. ; Stulberg, Michael J. ; Corson, Timothy ; Sundberg, Thomas B. ; Raina, Kanak ; Holley, Scott A. ; Crews, Craig M. / Small-molecule hydrophobic tagging-induced degradation of HaloTag fusion proteins. In: Nature Chemical Biology. 2011 ; Vol. 7, No. 8. pp. 538-543.
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