T-CrAsH: A heterologous chemical crosslinker

Anna Rutkowska, Tilman Plass, Jan Erik Hoffmann, Dmytro A. Yushchenko, Suihan Feng, Carsten Schultz

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Copper-free click chemistry is currently the most promising and most rapidly developing technology for performing tailored chemical reactions inside intact living cells and animals. Its potential is particularly intensely explored in the field of live cell imaging, for both proteins and metabolites. Here we expand the application spectrum of click reactions to the chemical crosslinking of two proteins of choice in living cells. By combining strain-promoted Diels-Alder cycloaddition with FlAsH-based labeling of peptidic tetracysteine motifs, we developed the membrane-permeating reversible crosslinker T-CrAsH. We demonstrate the feasibility of the method both in vitro and inside cells. The biggest advantage of this new tool is the small size of the crosslinkable groups; this significantly decreases the risk of functional interference. Click meets FlAsH: Combination of two click chemistry and biarsenical derivatives led to the synthesis and first use of the membrane-permeating chemical crosslinker T-CrAsH. This tool is useful for specific and reversible crosslinking of two proteins in vitro and in living cells. T-CrAsH also has potential for the manipulation or detection of protein-metabolite and protein-DNA interactions.

Original languageEnglish (US)
Pages (from-to)1765-1768
Number of pages4
JournalChemBioChem
Volume15
Issue number12
DOIs
StatePublished - Aug 18 2014
Externally publishedYes

Fingerprint

Click Chemistry
Cells
Metabolites
Proteins
Crosslinking
Membranes
Cycloaddition
Cycloaddition Reaction
Labeling
Copper
Chemical reactions
Animals
Technology
Derivatives
Imaging techniques
DNA
In Vitro Techniques

Keywords

  • biarsenicals
  • click chemistry
  • crosslinkers
  • cycloaddition
  • protein interactions

ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry
  • Molecular Medicine
  • Molecular Biology
  • Medicine(all)

Cite this

Rutkowska, A., Plass, T., Hoffmann, J. E., Yushchenko, D. A., Feng, S., & Schultz, C. (2014). T-CrAsH: A heterologous chemical crosslinker. ChemBioChem, 15(12), 1765-1768. https://doi.org/10.1002/cbic.201402189

T-CrAsH : A heterologous chemical crosslinker. / Rutkowska, Anna; Plass, Tilman; Hoffmann, Jan Erik; Yushchenko, Dmytro A.; Feng, Suihan; Schultz, Carsten.

In: ChemBioChem, Vol. 15, No. 12, 18.08.2014, p. 1765-1768.

Research output: Contribution to journalArticle

Rutkowska, A, Plass, T, Hoffmann, JE, Yushchenko, DA, Feng, S & Schultz, C 2014, 'T-CrAsH: A heterologous chemical crosslinker', ChemBioChem, vol. 15, no. 12, pp. 1765-1768. https://doi.org/10.1002/cbic.201402189
Rutkowska A, Plass T, Hoffmann JE, Yushchenko DA, Feng S, Schultz C. T-CrAsH: A heterologous chemical crosslinker. ChemBioChem. 2014 Aug 18;15(12):1765-1768. https://doi.org/10.1002/cbic.201402189
Rutkowska, Anna ; Plass, Tilman ; Hoffmann, Jan Erik ; Yushchenko, Dmytro A. ; Feng, Suihan ; Schultz, Carsten. / T-CrAsH : A heterologous chemical crosslinker. In: ChemBioChem. 2014 ; Vol. 15, No. 12. pp. 1765-1768.
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