通过脉冲电子双共振（PELDOR）确定刚性氮氧化物的相对取向：超越核酸中的距离测量
Relative orientation of rigid nitroxides by PELDOR: beyond distance measurements in nucleic acids.
作者信息
Schiemann Olav, Cekan Pavol, Margraf Dominik, Prisner Thomas F, Sigurdsson Snorri Th
机构信息
Centre for Biomolecular Sciences, University of St. Andrews, North Haugh, St Andrews KY 1619ST, UK.
出版信息
Angew Chem Int Ed Engl. 2009;48(18):3292-5. doi: 10.1002/anie.200805152.
Show me your angle: Incorporation of the rigid spin label C allows determination of both distance and orientation of two nitroxide spin labels in DNA by PELDOR experiments at common X-band frequencies. The orientational information is obtained by varying the position of the detection pulses over the nitroxide spectrum. Simulation of the set of time traces yields very precise distances and angles.
向我展示你的角度
刚性自旋标记C的引入使得通过在常见X波段频率下进行脉冲电子双共振（PELDOR）实验来确定DNA中两个氮氧化物自旋标记的距离和方向成为可能。通过改变检测脉冲在氮氧化物光谱上的位置可获得取向信息。对这组时间轨迹的模拟可得出非常精确的距离和角度。
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