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Catalytic role of Cu-Aβ in the production of reactive oxygen species. Top: Cu-Aβ is able to catalyze the production of H2O2 and HO° in the presence of a reducing agent and dioxygen. Bottom: The catalytic active state capable to catalyze the Fenton type reaction. Active are only the conformations with a diagonal ligation by the peptide remote from a angle of 180° and in which the H2O2 binds to Cu(I) side on.
