Peroxiredoxin Systems pp 115-141

Part of the Subcellular Biochemistry book series (SCBI, volume 44)

The Peroxiredoxin Repair Proteins

  • Thomas J. Jönsson
  • W. Todd Lowther

Abstract

Sulfiredoxin and sestrin are cysteine sulfinic acid reductases that selectively reduce or repair the hyperoxidized forms of typical 2-Cys peroxiredoxins within eukaryotes. As such these enzymes play key roles in the modulation of peroxide-mediated cell signaling and cellular defense mechanisms. The unique structure of sulfiredoxin facilitates access to the peroxiredoxin active site and novel sulfur chemistry

Keywords

Cysteine sulfinic acid Retroreduction Sulfiredoxin Sestrin 

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Copyright information

© Springer 2007

Authors and Affiliations

  • Thomas J. Jönsson
    • 1
  • W. Todd Lowther
    • 1
  1. 1.Center for Structural Biology, Department of BiochemistryWake Forest University School of MedicineWinston-SalemUSA

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