Overview of membrane protein sample preparation for single-particle cryo-electron microscopy analysis

C Vénien-Bryan, CAH Fernandes - International Journal of Molecular …, 2023 - mdpi.com
Single-particle cryo-electron microscopy (cryo-EM SPA) has recently emerged as an
exceptionally well-suited technique for determining the structure of membrane proteins …

Correction of preferred orientation–induced distortion in cryo–electron microscopy maps

D Zhu, W Cao, J Li, C Wu, D Cao, X Zhang - Science Advances, 2024 - science.org
Reconstruction maps of cryo–electron microscopy (cryo-EM) exhibit distortion when the cryo-
EM dataset is incomplete, usually caused by unevenly distributed orientations. Prior efforts …

[PDF][PDF] On bias, variance, overfitting, gold standard and consensus in single-particle analysis by cryo-electron microscopy

COS Sorzano, A Jiménez-Moreno… - … Section D: Structural …, 2022 - journals.iucr.org
Cryo-electron microscopy (cryoEM) has become a well established technique to elucidate
the 3D structures of biological macromolecules. Projection images from thousands of …

New measures of anisotropy of cryo-EM maps

JL Vilas, HD Tagare - Nature Methods, 2023 - nature.com
We propose two new measures of resolution anisotropy for cryogenic electron microscopy
maps: Fourier shell occupancy (FSO), and the Bingham test (BT). FSO varies from 1 to 0 …

Advances in xmipp for cryo–electron microscopy: From xmipp to scipion

D Strelak, A Jiménez-Moreno, JL Vilas… - Molecules, 2021 - mdpi.com
Xmipp is an open-source software package consisting of multiple programs for processing
data originating from electron microscopy and electron tomography, designed and managed …

Missing wedge completion via unsupervised learning with coordinate networks

D Van Veen, JG Galaz-Montoya, L Shen… - International Journal of …, 2024 - mdpi.com
Cryogenic electron tomography (cryoET) is a powerful tool in structural biology, enabling
detailed 3D imaging of biological specimens at a resolution of nanometers. Despite its …

[HTML][HTML] Cryo-EM of a heterogeneous biochemical fraction elucidates multiple protein complexes from a multicellular thermophilic eukaryote

DA Semchonok, FL Kyrilis, F Hamdi… - Journal of Structural …, 2023 - Elsevier
Biomolecular complexes and their interactions govern cellular structure and function.
Understanding their architecture is a prerequisite for dissecting the cell's inner workings, but …

Cryo-EM structure of a tetrameric photosystem I from Chroococcidiopsis TS-821, a thermophilic, unicellular, non-heterocyst-forming cyanobacterium

DA Semchonok, J Mondal, CJ Cooper, K Schlum… - Plant …, 2022 - cell.com
Photosystem I (PSI) is one of two photosystems involved in oxygenic photosynthesis. PSI of
cyanobacteria exists in monomeric, trimeric, and tetrameric forms, in contrast to the strictly …

A fast image alignment approach for 2D classification of cryo-EM images using spectral clustering

X Wang, Y Lu, J Liu - Current Issues in Molecular Biology, 2021 - mdpi.com
Three-dimensional (3D) reconstruction in single-particle cryo-electron microscopy (cryo-EM)
is a significant technique for recovering the 3D structure of proteins or other biological …

3D reconstruction from cryo-EM projection images using two spherical embeddings

Y Lu, J Liu, L Zhu, B Zhang, J He - Communications Biology, 2022 - nature.com
Single-particle analysis (SPA) in cryo-electron microscopy has become a powerful tool for
determining and studying the macromolecular structure at an atomic level. However, since …