Geobacter sulfurreducens cytochrome c peroxidases: electrochemical classification of catalytic mechanisms.

Abstract excerpt

Bacterial cytochrome c peroxidase (CcP) enzymes are diheme redox proteins that reduce hydrogen peroxide to water. They are canonically characterized by a peroxidatic (called L, for "low reduction potential") active site heme and a secondary heme (H, for "high reduction potential") associated with electron transfer, and an enzymatic activity that exists only when the H-heme is prereduced to the Fe(II) oxidation...

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