Electron crystallography--the waking beauty of structural biology.

Electron crystallography--the waking beauty of structural biology.
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DOI:
10.1016/j.sbi.2012.03.006
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发表时间:
2012-08
影响因子:
6.8
通讯作者:
Unger VM
Unger VM
中科院分区:
生物学2区
文献类型:
--
作者:
Pope CR;Unger VM

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自70年代中期问世以来,电子晶体学已成为生物大分子结构测定的一种有价值的替代方法。它对单层或双层二维有序阵列的依赖以及从小而无序的晶体中获得结构信息的能力使得这种方法对于在脂质双层环境中研究膜蛋白特别有用。尽管有其独特的优势,但技术障碍使电子晶体学无法充分发挥其潜力。为了解决这些问题,最近的举措开发了用于结晶和筛选的高通量管道。随着自动化数据收集、图像分析和相延伸方法的进步,电子晶体学有望提高其知名度,并可能在探索大分子复合物的结构生物学方面发挥带头作用。
Since its debut in the mid 70ties, electron crystallography has been a valuable alternative in the structure determination of biological macromolecules. Its reliance on single- or double-layered two-dimensionally ordered arrays and the ability to obtain structural information from small and disordered crystals make this approach particularly useful for the study of membrane proteins in a lipid bilayer environment. Despite its unique advantages, technological hurdles have kept electron crystallography from reaching its full potential. Addressing the issues, recent initiatives developed high-throughput pipelines for crystallization and screening. Adding progress in automating data collection, image analysis and phase extension methods, electron crystallography is poised to raise its profile and may lead the way in exploring the structural biology of macromolecular complexes.
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