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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Is cellobiose oxidase from Phanerochaete chrysosporium a one-electron reductase?

The heme domain of cellobiose oxidase (CBO) from Phanerochaete chrysosporium increases the rate of electron transfer to one-electron acceptors. This conclusion was drawn from comparisons of the rates of reduction of 3,5-t-butyl-o-benzoquinone, triiodide ion, cytochrome c and ferricyanide by intact CBO, FAD fragment and CBO with the heme inactivated by cyanide. The oxidation of cellobiose produced hydrogen peroxide, but the enzyme disturbs peroxidase-based assays by reduction of the product or by direct interaction with the peroxidase. CBO can also degrade hydrogen peroxide in the presence of cellobiose. The 1,2,4,5-tetramethoxybenzene cation radical was rapidly reduced by CBO.[1]

References

  1. Is cellobiose oxidase from Phanerochaete chrysosporium a one-electron reductase? Henriksson, G., Johansson, G., Pettersson, G. Biochim. Biophys. Acta (1993) [Pubmed]
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