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Endogenous Production of O2•−
| Enzymatic | Nonenzymatic |
|---|---|
| Mitochondrial Flavin Enzymes | Photolysis |
| NADPH Oxidase | Heme protein + Fe |
| Xanthine oxidase | Auto-oxidation reactions |
| Cytochrome P450 | |
| Lipoxygenase | |
| Cyclooxygenase | |
| Nitric Oxide Synthase | |
| Peroxisomes |
