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2015 ; 161
(3
): 450-457
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Single-Particle Cryo-EM at Crystallographic Resolution
#MMPMID25910205
Cheng Y
Cell
2015[Apr]; 161
(3
): 450-457
PMID25910205
show ga
Until only a few years ago, single-particle electron cryo-microscopy (cryo-EM)
was usually not the first choice for many structural biologists due to its
limited resolution in the range of nanometer to subnanometer. Now, this method
rivals X-ray crystallography in terms of resolution and can be used to determine
atomic structures of macromolecules that are either refractory to crystallization
or difficult to crystallize in specific functional states. In this review, I
discuss the recent breakthroughs in both hardware and software that transformed
cryo-microscopy, enabling understanding of complex biomolecules and their
functions at atomic level.