Challenges in making ideal cryo-EM samples

BG Han, A Avila-Sakar, J Remis, RM Glaeser - Current Opinion in Structural …, 2023 - Elsevier
Recognizing that interaction with the air–water interface (AWI) is a major challenge for cryo-
EM, we first review current approaches designed to avoid it. Of these, immobilizing particles …

[HTML][HTML] Recent advances and current trends in cryo-electron microscopy

M Guaita, SC Watters, S Loerch - Current opinion in structural biology, 2022 - Elsevier
All steps of cryogenic electron-microscopy (cryo-EM) workflows have rapidly evolved over
the last decade. Advances in both single-particle analysis (SPA) cryo-EM and cryo-electron …

Vanilloid-dependent TRPV1 opening trajectory from cryoEM ensemble analysis

DH Kwon, F Zhang, JG Fedor, Y Suo, SY Lee - Nature communications, 2022 - nature.com
Single particle cryo-EM often yields multiple protein conformations within a single dataset,
but experimentally deducing the temporal relationship of these conformers within a …

[PDF][PDF] Using photocaging for fast time-resolved structural biology studies

DCF Monteiro, E Amoah, C Rogers… - … Section D: Structural …, 2021 - journals.iucr.org
Careful selection of photocaging approaches is critical to achieve fast and well synchronized
reaction initiation and perform successful time-resolved structural biology experiments. This …

Frozen in time: analyzing molecular dynamics with time-resolved cryo-EM

SJ Amann, D Keihsler, T Bodrug, NG Brown… - Structure, 2023 - cell.com
Molecular machines, such as polymerases, ribosomes, or proteasomes, fulfill complex tasks
requiring the thermal energy of their environment. They achieve this by restricting random …

[PDF][PDF] Structural dynamics: review of time-resolved cryo-EM

ME Mäeots, RI Enchev - Acta Crystallographica Section D …, 2022 - journals.iucr.org
The structural determination of biological macromolecules has been transformative for
understanding biochemical mechanisms and developing therapeutics. However, the …

Time-resolved cryo-EM of G-protein activation by a GPCR

MM Papasergi-Scott, G Pérez-Hernández, H Batebi… - Nature, 2024 - nature.com
G-protein-coupled receptors (GPCRs) activate heterotrimeric G proteins by stimulating
guanine nucleotide exchange in the Gα subunit. To visualize this mechanism, we developed …

[HTML][HTML] Structural mechanisms of α7 nicotinic receptor allosteric modulation and activation

SM Burke, M Avstrikova, CM Noviello, N Mukhtasimova… - Cell, 2024 - cell.com
The α7 nicotinic acetylcholine receptor is a pentameric ligand-gated ion channel that plays
an important role in cholinergic signaling throughout the nervous system. Its unique …

Time resolved applications for Cryo-EM; approaches, challenges and future directions

DP Klebl, L Aspinall, SP Muench - Current Opinion in Structural Biology, 2023 - Elsevier
Developments within the cryo-EM field have allowed us to generate higher-resolution “static”
structures and pull out different conformational states which exist at equilibrium within the …

An overview of the recent advances in cryo-electron microscopy for life sciences

A Assaiya, AP Burada, S Dhingra… - Emerging Topics in Life …, 2021 - portlandpress.com
Cryo-electron microscopy (CryoEM) has superseded X-ray crystallography and NMR to
emerge as a popular and effective tool for structure determination in recent times. It has …