一氧化氮和一氧化碳对[CuS]配合物的氧化作用：对四聚体在一氧化二氮还原酶铜位点中作用的见解。
Oxidation of a [CuS] complex by NO and CO: insights into a role of tetranuclearity in the Cu site of nitrous oxide reductase.
作者信息
Bagherzadeh Sharareh, Mankad Neal P
机构信息
Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL 60607, USA.
出版信息
Chem Commun (Camb). 2018 Jan 25;54(9):1097-1100. doi: 10.1039/c7cc09067f.
Abstract
Oxidation of a [Cu(μ-S)] complex by NO or CO generated a [Cu(μ-SO)] product. In the presence of a sulfur trap, a [Cu(μ-O)] species also formed from NO. A [Cu(μ-CS)] species derived from CS modeled initial reaction intermediates. These observations indicate that one role of tetranuclearity in the Cu catalytic site of nitrous oxide reductase is to protect the crucial S ligand from oxidation.
摘要
[Cu(μ-S)]配合物被NO或CO氧化生成了[Cu(μ-SO)]产物。在存在硫捕获剂的情况下，NO也会形成[Cu(μ-O)]物种。由CS衍生出的[Cu(μ-CS)]物种模拟了初始反应中间体。这些观察结果表明，在一氧化二氮还原酶的铜催化位点中，四核结构的一个作用是保护关键的硫配体不被氧化。
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