The glutathione thiyl radical does not react with nitrogen monoxide

  • Hofstetter D
  • Nauser T
  • Koppenol W
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Abstract

Laser flash photolysis experiments shows that the rate constant for the reaction of the glutathione thiyl radical with nitrogen monoxide to give S-nitrosoglutathione is lower than 2.8 ± 0.6 × 107M-1s-1. The conversion of the thiyl radical to its carbon-centred form at 103s-1exceeds the formation of S-nitrosoglutathione when physiological concentrations of nitrogen monoxide are taken into account. © 2007 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • Laser flash photolysis
  • Nitrogen monoxide
  • S-nitrosoglutathione
  • Thiyl radical

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Authors

  • Dustin Hofstetter

  • Thomas Nauser

  • Willem H. Koppenol

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