Free radical scavenging enzyme

Free radical scavenging enzymes refer to a group of endogenous enzymes that protect cells from damage caused by free radicals and reactive oxygen species (ROS). The most prominent members include superoxide dismutase (SOD), catalase, and various peroxidases. These enzymes work in concert to neutralize superoxide anions and hydrogen peroxide—two major ROS generated during normal metabolism—by converting them into water and molecular oxygen. SOD catalyzes the dismutation of superoxide into hydrogen peroxide, which is then broken down by catalase or glutathione peroxidase[1][7][9]. This enzymatic defense system is crucial for maintaining cellular homeostasis and preventing oxidative damage implicated in diseases such as cancer, neurodegeneration, and cardiovascular disorders[1][9]. However, "free radical scavenging enzymes" is not a single molecular target but rather a functional category encompassing several distinct proteins. For structured data purposes, it is more accurate to refer individually to specific enzymes like "Superoxide dismutase," "Catalase," or "Glutathione peroxidase." Therefore: > The entry “Free radical scavenging enzymes” is too broad for use as a canonical therapeutic target; it should be replaced with the names of individual antioxidant enzymes. This makes `is_incorrect` true for this entry because it does not specify one unique molecule but rather describes a class or function shared by multiple targets[1][7].

Other names

Antioxidant enzymeROS-scavenging enzymeEndogenous antioxidant enzyme

Catalysis of the conversion of reactive oxygen species to less harmful molecules