光刺激紫色膜的时间分辨X射线衍射研究
Time-resolved x-ray diffraction study of photostimulated purple membrane.
作者信息
Frankel R D, Forsyth J M
出版信息
Biophys J. 1985 Mar;47(3):387-93. doi: 10.1016/S0006-3495(85)83930-8.
Abstract
A nanosecond resolution laser-driven x-ray source has been used to perform a time-resolved, x-ray diffraction study of the purple membrane of the Halobacterium halobium. Alterations in diffraction patterns have been observed 1 ms after photostimulation, and are interpreted to show disorder of bacteriorhodopsin packing in the plane of the membrane with little bacteriorhodopsin structural change.
摘要
一个具有纳秒分辨率的激光驱动X射线源已被用于对嗜盐菌紫膜进行时间分辨X射线衍射研究。在光刺激后1毫秒观察到衍射图案的变化，这些变化被解释为表明细菌视紫红质在膜平面内的堆积无序，而细菌视紫红质的结构变化很小。
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The use of synchrotron radiation in time-resolved X-ray diffraction studies of myosin layer-line reflections during muscle contraction.同步辐射在肌肉收缩过程中肌球蛋白层线反射的时间分辨X射线衍射研究中的应用。
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