FIG. 3.
Oxygen dependence (×) of dye decolorization (-) by the azoreductase of Bacillus strain SF (2.0 mM NADH, 0.2 mM FAD, azoreductase activity of 6.1 × 102 nkat ml−1, 0.2 mM Reactive Black 5, 50 mM phosphate buffer, pH 7.0).
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