Proton-coupled electron transfer mechanisms of the copper centres of nitrous oxide reductase from Marinobacter hydrocarbonoclasticus - An electrochemical study.

Cíntia Carreira,Margarida M C Dos Santos,Sofia R Pauleta,Isabel Moura

Bioelectrochemistry（2020）

引用 9|浏览15

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摘要

•Direct electrochemistry showed two signals assigned to CuA and CuZ(4Cu2S) centres.•CuA reduction potential is pH dependent in the presence of CuZ*(4Cu1S)•CuA centre is controlled by two proton-coupled electron transfer process.•“CuZ” reduction is controlled by a proton-coupled electron transfer process.•Enhanced catalytic potential consistent with the intermediate CuZ0(4Cu1S)

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关键词

Nitrous oxide reductase,Direct electrochemistry,CuA centre,CuZ centre,Proton-coupled electron transfer,Potentiometry

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