Biotechnology Letters

, Volume 33, Issue 5, pp 1039–1046 | Cite as

Chemoenzymatic synthesis of diverse thiohydroximates from glucosinolate-utilizing enzymes from Helix pomatia and Caldicellulosiruptor saccharolyticus

  • Jakub Kopycki
  • Jürgen Schmidt
  • Steffen Abel
  • C. Douglas Grubb
Original Research Paper

Abstract

Thiohydroximates comprise a diverse class of compounds important in both biological and industrial chemistry. Their syntheses are generally limited to simple alkyl and aryl compounds with few stereocenters and a narrow range of functional groups. We hypothesized that sequential action of two recombinant enzymes, a sulfatase from Helix pomatia and a β-O-glucosidase from Caldicellulosiruptor saccharolyticus, on glucosinolates would allow synthesis of thiohydroximates from a structurally broad array of abundant precursors. We report successful synthesis of thiohydroximates of varied chemical classes, including from homochiral compounds of demonstrated biological activity. The chemoenzymatic synthetic route reported here should allow access to many, if not all, of the thiohydroximate core structures of the ~200 known naturally occurring glucosinolates. The enrichment of this group for compounds with possible pharmacological potential is discussed.

Keywords

Caldicellulosiruptor Glucosinolate Helix Thiohydroxamic Thiohydroximate synthesis 

Notes

Acknowledgments

The authors wish to thank Drs. Soledade Pedras and Bernhard Westermann for helpful criticism of the manuscript, and Drs. Peter Bergquist and Moreland Gibbs for providing CSG.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Jakub Kopycki
    • 1
  • Jürgen Schmidt
    • 2
  • Steffen Abel
    • 1
  • C. Douglas Grubb
    • 1
  1. 1.Department of Molecular Signal ProcessingLeibniz Institute for Plant BiochemistryHalle (Saale)Germany
  2. 2.Department of Bioorganic ChemistryLeibniz Institute for Plant BiochemistryHalle (Saale)Germany

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