An expanded set of fluorogenic sulfatase activity probes

Elizabeth L. Smith, Carolyn R. Bertozzi, Kimberly Beatty

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Fluorogenic probes that are activated by an enzymatic transformation are ideally suited for profiling enzyme activities in biological systems. Here, we describe two fluorogenic enzyme probes, 3-O-methylfluorescein-sulfate and resorufin-sulfate, that can be used to detect sulfatases in mycobacterial lysates. Both probes were validated with a set of commercial sulfatases and used to reveal species-specific sulfatase banding patterns in a gel-resolved assay of mycobacterial lysates. The fluorogenic probes described here are suitable for various assays and provide a starting point for creating new sulfatase probes with improved selectivity for mycobacterial sulfatases. Revealing sulfatases: Two new fluorogenic enzyme probes, 3-O-methylfluorescein sulfate and resorufin-sulfate, display a large increase in quantum yield upon hydrolysis by sulfatases. Both probes enable rapid, sensitive detection of sulfatase activity in a protein gel assay format, which allows the examination of sulfatases from a variety of mycobacterial pathogens.

Original languageEnglish (US)
Pages (from-to)1101-1105
Number of pages5
JournalChemBioChem
Volume15
Issue number8
DOIs
StatePublished - May 26 2014

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Sulfatases
Sulfates
Assays
Enzymes
Gels
Enzyme activity
Quantum yield
Pathogens
Biological systems
Hydrolysis

Keywords

  • fluorescent probes
  • hydrolases
  • Mycobacterium tuberculosis
  • protein imaging
  • sulfatases

ASJC Scopus subject areas

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

Cite this

An expanded set of fluorogenic sulfatase activity probes. / Smith, Elizabeth L.; Bertozzi, Carolyn R.; Beatty, Kimberly.

In: ChemBioChem, Vol. 15, No. 8, 26.05.2014, p. 1101-1105.

Research output: Contribution to journalArticle

Smith, Elizabeth L. ; Bertozzi, Carolyn R. ; Beatty, Kimberly. / An expanded set of fluorogenic sulfatase activity probes. In: ChemBioChem. 2014 ; Vol. 15, No. 8. pp. 1101-1105.
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