Superoxide

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Bioblasts - Richard Altmann and MiPArt by Odra Noel
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Superoxide

Description

Superoxide anion

Superoxide anion, O2•-, is a free radical formed in a one-electron reduction of molecular oxygen (red bullet in the figure), yielding a negatively charged molecule with a single unpaired electron (blue bullet on the left). It is highly reactive with organic compounds, and its intracellular concentration is kept under control by superoxide dismutase.

Abbreviation: O2•-

Reference: Fridovich_1997_J Biol Chem



MitoPedia topics: Substrate and metabolite