课题基金 / 基金详情

STAFF PRIORITY TIME STRUCTURAL STUDIES OF MOFE CONTAINING PART OF NITROGENASE

STAFF PRIORITY TIME STRUCTURAL STUDIES OF MOFE CONTAINING PART OF NITROGENASE
工作人员优先对含有部分固氮酶的 MOFE 进行时间结构研究
批准号:
6658464
负责人:
S M SOLTIS
金额:
$14.32万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-03-01 至 2003-02-28

项目摘要

项目成果

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中文摘要
翻译
从含MoFe的部分记录了结晶数据 固氮酶的分辨率为1.5E。其他数据集包括 在样品用Xe,CO和NO加压的地方采集, 分别进行了分析。初步迹象表明,微妙的变化 处于氧化态的Fe-S团簇可能对 几何图形分配错误。从样本中收集了一个数据集 其中通过还原晶体来控制氧化状态 闪冷前的母酒。最终得到的地图确认 以前的模型是不正确的,修订后的模型是 即将到来。
英文摘要
Crystallographic data were recorded from the MoFe containing part of nitrogenase to 1.5 E resolution. Additional data sets were collected where the samples were pressurized with Xe, CO and NO, respectively. Preliminary indications suggested that subtle changes in the oxidation state of the Fe-S cluster may have contributed to a misassignment of the geometry. A data set was collected from a sample in which the oxidation state was controlled by reducing the crystal in mother liquor prior to flash-cooling. The resulting maps confirmed that the previous model was incorrect and a revised model is forthcoming.
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