Protein thiyl radical mediates S-glutathionylation of complex I.

Protein thiyl radical mediates S-glutathionylation of complex I.

Kang Patrick T; Zhang Liwen; Chen Chwen-Lih; Chen Jingfeng; Green Kari B; Chen Yeong-Renn

Free radical biology & medicine

2012

2012-08

Complex I is a critical site of O(2)(*-) production and the major host of reactive protein thiols in mitochondria. In response to oxidative stress, complex I protein thiols at the 51- and 75-kDa subunits are reversibly

*Oxidative Stress; Amino Acid Motifs; Amino Acid Sequence; Animals; Binding Sites; Cattle; Cell Line; Cyclic N-Oxides/chemistry/pharmacology; Cysteine/chemistry/*metabolism; Electron Transport Complex I/chemistry/*metabolism; Free Radical Scavengers/chemistry/pharmacology; Free Radicals/chemistry/*metabolism; Glutathione/chemistry/*metabolism; Heart/enzymology/metabolism; Mice; Mitochondria; Models; Molecular; Molecular Sequence Data; Muscle Cells/drug effects/metabolism; Onium Compounds/pharmacology; Peptide Fragments/chemistry; Peptide Mapping; Protein; Rats; Rotenone/pharmacology; Structural Homology; Superoxides/metabolism

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