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. Author manuscript; available in PMC: 2012 Oct 26.
Published in final edited form as: J Am Chem Soc. 2011 Oct 4;133(42):16809–16811. doi: 10.1021/ja2081873

Figure 1.

Figure 1

Mechanism of reaction of reduced flavin with oxygen. It has been proposed that stabilizing the superoxide-semiquinone pair (circled in red) allows rapid reaction with O2.