2015•viXraOpen access

Catalase, the Antioxidant Heme Enzyme One of Three Subgroups Related to Catalase Deficiency in Humans Modulating the Normal Catalase Reaction Dependent on Nadph-Binding Catalases for Function.

Mark R. Brenneman

Abstract

Catalase protects the cell from oxidative damage by the accumulation of cellular reactive oxygen species (ROS) generation systems, those peroxisomal enzymes that breaks down hydrogen peroxide after H(2)O(2) exposure, and thereby mitigates* (some contradictory* results) the toxic effects of hydrogen peroxide.

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Available abstract

Key concepts: Catalase, Hydrogen peroxide, Reactive oxygen species, Peroxisome, Heme, Enzyme, Antioxidant, Chemistry