Articles

The biology of oxygen radicals

Science  08 Sep 1978:
Vol. 201, Issue 4359, pp. 875-880
DOI: 10.1126/science.210504

Abstract

The reactive superoxide radical, O2-, formerly of concern only to radiation chemists and radiobiologists, is now understood to be a normal product of the biological reduction of molecular oxygen. An unusual family of enzymes, the superoxide dismutases, protect against the deleterious actions of this radical by catalyzing its dismutation to hydrogen peroxide plus oxygen.

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