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Activity profile of B. adusta extracellular proteins. Proteins were fractionated by anion-exchange chromatography on a Mono-Q HR5/5 column (20 mM histidine buffer, pH 6; flow rate, 1 ml/min). (A) Absorbance at 405 nm (——) and NaCl gradient (· · ·). (B) Profiles corresponding to RV5-decolorizing activity (•) and RB38-decolorizing activity (▴). The reaction mixtures contained 30 μM RV5 or 20 μM RB38, 0.1 mM H2O2, and 0.1 M tartrate at pH 3.5.
