Cryo-electron microscopy of membrane proteins

N Thonghin, V Kargas, J Clews, RC Ford - Methods, 2018 - Elsevier
Membrane proteins represent a large proportion of the proteome, but have characteristics
that are problematic for many methods in modern molecular biology (that have often been …

Computational methodologies for real-space structural refinement of large macromolecular complexes

BC Goh, JA Hadden, RC Bernardi… - Annual Review of …, 2016 - annualreviews.org
The rise of the computer as a powerful tool for model building and refinement has
revolutionized the field of structure determination for large biomolecular systems. Despite …

Flexible fitting of atomic structures into electron microscopy maps using molecular dynamics

LG Trabuco, E Villa, K Mitra, J Frank, K Schulten - Structure, 2008 - cell.com
A novel method to flexibly fit atomic structures into electron microscopy (EM) maps using
molecular dynamics simulations is presented. The simulations incorporate the EM data as …

Molecular dynamics flexible fitting: a practical guide to combine cryo-electron microscopy and X-ray crystallography

LG Trabuco, E Villa, E Schreiner, CB Harrison… - Methods, 2009 - Elsevier
Hybrid computational methods for combining structural data from different sources and
resolutions are becoming an essential part of structural biology, especially as the field …

Refinement of protein structures into low-resolution density maps using rosetta

F DiMaio, MD Tyka, ML Baker, W Chiu… - Journal of molecular …, 2009 - Elsevier
We describe a method based on Rosetta structure refinement for generating high-resolution,
all-atom protein models from electron cryomicroscopy density maps. A local measure of the …

Molecular dynamics-based refinement and validation for sub-5 Å cryo-electron microscopy maps

A Singharoy, I Teo, R McGreevy, JE Stone, J Zhao… - Elife, 2016 - elifesciences.org
Two structure determination methods, based on the molecular dynamics flexible fitting
(MDFF) paradigm, are presented that resolve sub-5 Å cryo-electron microscopy (EM) maps …

iMODFIT: efficient and robust flexible fitting based on vibrational analysis in internal coordinates

JR Lopéz-Blanco, P Chacón - Journal of structural biology, 2013 - Elsevier
Here, we employed the collective motions extracted from Normal Mode Analysis (NMA) in
internal coordinates (torsional space) for the flexible fitting of atomic-resolution structures …

Advances in the molecular dynamics flexible fitting method for cryo-EM modeling

R McGreevy, I Teo, A Singharoy, K Schulten - Methods, 2016 - Elsevier
Abstract Molecular Dynamics Flexible Fitting (MDFF) is an established technique for fitting
all-atom structures of molecules into corresponding cryo-electron microscopy (cryo-EM) …

Flexible fitting of high-resolution x-ray structures into cryoelectron microscopy maps using biased molecular dynamics simulations

M Orzechowski, F Tama - Biophysical journal, 2008 - cell.com
A methodology for flexible fitting of all-atom high-resolution structures into low-resolution
cryoelectron microscopy (cryo-EM) maps is presented. Flexibility of the modeled structure is …

Advancing cryo-electron microscopy data analysis through accelerated simulation-based flexible fitting approaches

O Miyashita, F Tama - Current Opinion in Structural Biology, 2023 - Elsevier
Flexible fitting based on molecular dynamics simulation is a technique for structure modeling
from cryo-EM data. It has been utilized for nearly two decades, and while cryo-EM resolution …