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. 2009 Sep;73(3):529–541. doi: 10.1128/MMBR.00042-08

FIG. 9.

FIG. 9.

l-Aspartate oxidase can function without oxygen. The FAD-dependent reaction catalyzed by l-aspartate oxidase can utilize fumarate as the electron acceptor, thereby producing iminoaspartate, succinate, and reduced FAD under anaerobic conditions. The molecular oxygen-utilizing reaction produces iminoaspartate, hydrogen peroxide, and reduced FAD.