High-resolution structure determination by continuous-rotation data collection in MicroED.

High-resolution structure determination by continuous-rotation data collection in MicroED.
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DOI:
10.1038/nmeth.3043
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发表时间:
2014-09
期刊:
影响因子:
48
通讯作者:
Gonen, Tamir
Gonen, Tamir
中科院分区:
生物学1区
文献类型:
--
作者:
Nannenga, Brent L.;Shi, Dan;Leslie, Andrew G. W.;Gonen, Tamir

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MicroED使用非常小的三维蛋白质晶体和电子衍射进行结构测定。提出了一种改进的MicroED数据采集协议,称为“连续旋转”。在这里,微晶在数据收集过程中不断旋转,产生改进的数据,并允许用CNOLM进行数据处理,从而提高模型蛋白溶菌酶的分辨率。这些改进为MicroED在结构生物学中的广泛适用性的实施和应用铺平了道路。
MicroED uses very small three-dimensional protein crystals and electron diffraction for structure determination. An improved data collection protocol for MicroED called “continuous rotation” is presented. Here microcrystals are continuously rotated during data collection yielding improved data, and allowing data processing with MOSFLM resulting in improved resolution for the model protein lysozyme. These improvements pave the way for the implementation and application of MicroED with wide applicability in structural biology.
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