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Peroxidase activity of SodCI and SodCII. The time-dependent increase in 
formation was monitored at 415 nm as a measure of the peroxidase activity of SodCI and SodCII at 25 °C in the presence of 10 mm NaHCO3. Holo-enzyme (♦), holo-enzymes plus EDTA (⋄), zinc-free enzyme (•), and zinc-free enzyme plus EDTA (○) are shown. All bacterial enzymes showed no detectable peroxidative under the conditions tested in the absence of NaHCO3.
