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首页> 外文期刊>Chemical Physics: A Journal Devoted to Experimental and Theoretical Research Involving Problems of Both a Chemical and Physical Nature >Sub-100-ps structural dynamics of horse heart myoglobin probed by time-resolved X-ray solution scattering
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Sub-100-ps structural dynamics of horse heart myoglobin probed by time-resolved X-ray solution scattering

机译:时间分辨X射线溶液散射探测的马心脏肌红蛋白低于100ps的结构动力学

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摘要

Here we report sub-100-ps structural dynamics of horse heart myoglobin revealed by time-resolved X-ray solution scattering. By applying the time-slicing scheme to the measurement and subsequent deconvolution, we investigate the protein structural dynamics that occur faster than the X-ray temporal pulse width of synchrotrons (~100 ps). The singular value decomposition analysis of the experimental data suggests that two structurally distinguishable intermediates are formed within 100 ps. In particular, the global structural change occurring on the time scale of 70 ps is identified.
机译:在这里,我们报告通过时间分辨X射线溶液散射揭示的马心肌红蛋白亚100 ps结构动力学。通过将时间切片方案应用于测量和随后的解卷积,我们研究了蛋白质结构动力学,该动力学发生的速度快于同步加速器的X射线时间脉冲宽度(约100 ps)。实验数据的奇异值分解分析表明,两个结构上可区分的中间体在100 ps内形成。特别是,确定了在70 ps的时间尺度上发生的全局结构变化。

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