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Protein Engineering of the Quaternary Sulfiredoxin·Peroxiredoxin Enzyme·Substrate Complex Reveals the Molecular Basis for Cysteine Sulfinic Acid Phosphorylation

Oxidative stress can damage the active site cysteine of the antioxidant enzyme peroxiredoxin (Prx) to the sulfinic acid form, Prx-SO(2)(−). This modification leads to inactivation. Sulfiredoxin (Srx) utilizes a unique ATP-Mg(2+)-dependent mechanism to repair the Prx molecule. Using selective protein...

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Detalhes bibliográficos
Main Authors: Jönsson, Thomas J., Johnson, Lynnette C., Lowther, W. Todd
Formato: Artigo
Idioma:Inglês
Publicado em: American Society for Biochemistry and Molecular Biology 2009
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2785173/
https://ncbi.nlm.nih.gov/pubmed/19812042
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1074/jbc.M109.036400
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