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. Author manuscript; available in PMC: 2011 Sep 9.
Published in final edited form as: Free Radic Res. 2010 Nov 29;45(1):29–36. doi: 10.3109/10715762.2010.534163

Scheme 3.

Scheme 3

α-Ketoglutarate dehydrogenase is regulated through the reversible glutathionylation of the enzyme’s cofactor lipoic acid. Evidence suggests that glutathionylation of KGDH represents an antioxidant response and is either enzyme catalysed or requires a unique microenvironment.