XRAY ABSORPTION SPECT OF MANGANESE IN PHOTOSYNTHETIC OXYGEN EVOLVING COMPLEX
XRAY ABSORPTION SPECT OF MANGANESE IN PHOTOSYNTHETIC OXYGEN EVOLVING COMPLEX
批准号:
6437676
负责人:
MELVIN P KLEIN
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:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-03-01 至 2002-02-28
中文摘要
最近的晶体学研究突出了这一重大进展,
结构的决定,已经在理解结构,
复合固氮酶中多核金属中心的位置。
Mo-Fe-S簇的存在是已知的,并且其在该簇内的连接是已知的。
蛋白质建立。 重要的问题仍然存在,包括i)
FeMoco结构外部与内部的关系,
蛋白质; ii)理解高柠檬酸盐和pH依赖性的作用
对固氮酶的影响; iii)确定底物和
抑制剂结合;和iv)建立高度精确的测量细节
蛋白质内外的FeMoco x射线吸收
使用SR的光谱(边缘和EXAFS)非常适合于
提供深入了解电子和韵律结构的选择
原子站
英文摘要
Significant progress, highlighted by recent crystallographic
structual determinations, has been made in understanding the structure
of the polynuclear metal centers in the complex nitrogenase enzyme.
The presence of a Mo-Fe-S cluster is known and its ligation within the
protein established. Important questions remain that include i)
relationship of the FeMoco structure outside of, to that within, the
protein; ii) understanding the role of homocitrate and of pH-dependent
effects on nitrogenase; iii) determining where and how substrate and
inhibitors bind; and iv) establishing highly accurate metrical details
for the FeMoco both within and outside the protein. X-ray absorption
spectroscopy (both edge and EXAFS) using SR is well-suited to
providing insights into electronic and metrical structure of selected
atomic sites.
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SULFUR K EDGE SPECTROSCOPY OF MO S COMPLEXES
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批准号:6658767
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
HALIDE XAS STUDIES OF PHOTOSYNTHETIC WATER OXIDATION COMPLEX
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批准号:6586692
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
HALIDE XAS STUDIES OF PHOTOSYNTHETIC WATER OXIDATION COMPLEX
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批准号:6658659
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
XRAY ABSORPTION SPECT OF MANGANESE INVOLVED IN PHOTOSYNTHETIC OXYGEN EVOLUTION
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批准号:6658666
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
POLARIZED XRAY ABSORPTION SPECTROSCOPY OF ORIENTED PHOTOSYSTEM II MEMBRANES
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批准号:6658642
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
XRAY ABSORPTION SPECT OF MANGANESE IN PHOTOSYNTHETIC OXYGEN EVOLVING COMPLEX
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批准号:6658725
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
XANES OF MANGANESE IN PHOTOSYSTEM II
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批准号:6658652
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
XRAY ABSORPTION SPECT OF MANGANESE IN PHOTOSYNTHETIC OXYGEN EVOLVING COMPLEX
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批准号:6586758
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
KLEIN PRT TIME (LBNL)
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批准号:6658733
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
SULFUR K EDGE SPECTROSCOPY OF MO S COMPLEXES
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批准号:6586800
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
XRAY ABSORPTION SPECT OF MANGANESE INVOLVED IN PHOTOSYNTHETIC OXYGEN EVOLUTION
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批准号:6586699
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
KLEIN PRT TIME (LBNL)
-
批准号:6586766
-
项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
POLARIZED XRAY ABSORPTION SPECTROSCOPY OF ORIENTED PHOTOSYSTEM II MEMBRANES
-
批准号:6586675
-
项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
XANES OF MANGANESE IN PHOTOSYSTEM II
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批准号:6586685
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项目类别:
-
资助金额:$14.32万
-
财政年份:2002
-
负责人:MELVIN P KLEIN
-
依托单位:
POLARIZED XRAY ABSORPTION SPECTROSCOPY OF ORIENTED PHOTOSYSTEM II MEMBRANES
-
批准号:6437593
-
项目类别:
-
资助金额:$14.32万
-
财政年份:2001
-
负责人:MELVIN P KLEIN
-
依托单位:
SULFUR K EDGE SPECTROSCOPY OF MO S COMPLEXES
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批准号:6437718
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项目类别:
-
资助金额:$14.32万
-
财政年份:2001
-
负责人:MELVIN P KLEIN
-
依托单位:
KLEIN PRT TIME (LBNL)
-
批准号:6437684
-
项目类别:
-
资助金额:$14.32万
-
财政年份:2001
-
负责人:MELVIN P KLEIN
-
依托单位:
XRAY ABSORPTION SPECT OF MANGANESE INVOLVED IN PHOTOSYNTHETIC OXYGEN EVOLUTION
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批准号:6437617
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项目类别:
-
资助金额:$14.32万
-
财政年份:2001
-
负责人:MELVIN P KLEIN
-
依托单位:
HALIDE XAS STUDIES OF PHOTOSYNTHETIC WATER OXIDATION COMPLEX
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批准号:6437610
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项目类别:
-
资助金额:$14.32万
-
财政年份:2001
-
负责人:MELVIN P KLEIN
-
依托单位:
XANES OF MANGANESE IN PHOTOSYSTEM II
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批准号:6437603
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项目类别:
-
资助金额:$14.32万
-
财政年份:2001
-
负责人:MELVIN P KLEIN
-
依托单位:
海外基金