the Glutathionperoxidase catalyzes the Glutathion - dependent reduction of organic peroxides. In the catalytic center it carries , a derivative of the Cysteins for Selenocystein.

Special meaning attains Glutathion peroxidase as a member of the cellular defense brigade against the consequences of oxidative stress. Disturbances in the function of such Selenoproteineaccompany with lack syndromes like the Keshan and Kashin Beck illness and to like a role during the tumor emergence and the Artherosklerose to play.


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