INTERACTION OF SPIN LABELS WITH TRANSITION METALS
INTERACTION OF SPIN LABELS WITH TRANSITION METALS
批准号:
3270283
负责人:
Gareth R Eaton
金额:
$14.1万
依托单位国家:
美国
项目类别:
财政年份:
1977
资助国家:
美国
项目状态:
已结题
起止时间:
1977-07-01 至 1989-11-30
中文摘要
本研究的目标是从连续的数据中获取度量信息
生物自旋相互作用体系的波谱和脉冲EPR谱
分子。EPR跃迁能量、跃迁概率和
将计算感兴趣的自旋系统的驰豫时间。这些
计算将用包含以下内容的离散金属络合物进行校准
顺磁性金属和氮氧基自旋标记。交换和偶极
将测量对自旋-自旋相互作用的贡献。的局限性
测量自旋-自旋距离的各种方法的适用性将
要下定决心。这些结果将应用于镍金属酶
尿素酶,含铜的塑料花青素,和CaATPase。
英文摘要
The goal of this research is to obtain metrical information from continuous
wave and pulsed EPR spectroscopy of interacting spin systems in biological
molecules. EPR transition energies, transition probabilities, and
relaxation times will be calculated for spin systems of interest. These
calculations will be calibrated with discrete metal complexes containing
paramagnetic metals and nitroxyl spin labels. Exchange and dipolar
contributions to the spin-spin interaction will be measured. The limits of
applicability of various approaches to measuring spin-spin distances will
be determined. These results will be applied to the nickel metalloenzyme
urease, the copper-containing plastocyanin, and to CaATPase.
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财政年份:2002
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依托单位:
MEASURING FAST ELECTRON SPIN RELAXATION
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财政年份:1998
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NEW MICROWAVE COUPLING STRUCTURES FOR SPECTROSCOPY
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财政年份:1979
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负责人:Gareth R Eaton
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依托单位:
INTERACTION OF SPIN LABELS WITH TRANSITION METALS
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批准号:6285834
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项目类别:
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资助金额:$23.37万
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财政年份:1977
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依托单位:
海外基金