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A new CuZ active form in the catalytic reduction of N2O by nitrous oxide reduct...
Dell’Acqua, Simone; Pauleta, Sofia R.; Sousa, Patrícia M. Paes de; Monzani, Enrico; Casella, Luigi; Moura, José J. G.; Moura, IsabelJ Biol Inorg Chem (2010) 15:967–976 DOI 10.1007/s00775-010-0658-6 ; The final step of bacterial denitrification, the two-electron reduction of N2O to N2, is catalyzed by a multi-copper enzyme named nitrous oxide reductase. The catalytic centre of this enzyme is a tetranuclear copper site called CuZ, unique in biological systems. The in vitro reconstruction of the activity requires a slow activation in the pres...
Electron transfer complex between nitrous oxide reductase and cytochrome c552 f...
Moura, Isabel; Moura, José J. G.; Pauleta, Sofia R; Monzani, Enrico; Pereira, Alice S.; Casella, Luigi; Dell’Acqua, SimoneBiochemistry. 2008 Oct 14;47(41):10852-62. doi: 10.1021/bi801375q ; The multicopper enzyme nitrous oxide reductase (N 2OR) catalyzes the final step of denitrification, the two-electron reduction of N 2O to N 2. This enzyme is a functional homodimer containing two different multicopper sites: CuA and CuZ. CuA is a binuclear copper site that transfers electrons to the tetranuclear copper sulfide CuZ, the catalyt...
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