Abstract

Activated phagocytes generate the potent oxidant hypochlorite (HOCl) via the release of the enzyme myeloperoxidase and hydrogen peroxide. HOCl is known to react with a number of biological targets including proteins, DNA, lipids and cholesterol. Proteins are likely to be major targets for reaction with HOCl within a cell due to their abundance and high reactivity with HOCl. This review summarizes information on the rate of reaction of HOCl with proteins, the nature of the intermediates formed, the mechanisms involved in protein oxidation and the products of these reactions. The predicted targets for reaction with HOCl from kinetic modeling studies and the consequences of HOCl-induced protein oxidation are also discussed.

Keywords

Hypochlorous acidHypochloriteChemistryHydrogen peroxideMyeloperoxidaseBiochemistryReactivity (psychology)EnzymeRedoxPeroxidaseOrganic chemistryInflammationBiology

MeSH Terms

Amino AcidsCatalysisHumansHydrogen PeroxideHypochlorous AcidKineticsOxidation-ReductionPeptidesPeroxidaseProteins

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Publication Info

Year
2003
Type
review
Volume
25
Issue
3-4
Pages
259-274
Citations
576
Access
Closed

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576
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23
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525
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Cite This

Clare L. Hawkins, David I. Pattison, Michael J. Davies (2003). Hypochlorite-induced oxidation of amino acids, peptides and proteins. Amino Acids , 25 (3-4) , 259-274. https://doi.org/10.1007/s00726-003-0016-x

Identifiers

DOI
10.1007/s00726-003-0016-x
PMID
14661089

Data Quality

Data completeness: 86%