[HTML][HTML] A glycan gate controls opening of the SARS-CoV-2 spike protein

…, FL Kearns, F Acosta-Reyes, S Maji, G Mashayekhi… - Nature …, 2021 - nature.com
g, Primary regions of spike defined for tracking progress of the opening transition. The spike
core is composed of three central helices per trimer, coloured according to chains as in a–e. …

[HTML][HTML] Retrieving functional pathways of biomolecules from single-particle snapshots

A Dashti, G Mashayekhi, M Shekhar, D Ben Hail… - Nature …, 2020 - nature.com
g c induced by coarse-graining is unknown, and, in general, conformation-dependent. g c …
, and centrifuged for 10 min at 8000×g. The supernatant was centrifuged for 20 min at 40,000×…

Conformational landscape of a virus by single-particle X-ray scattering

A Hosseinizadeh, G Mashayekhi, J Copperman… - Nature …, 2017 - nature.com
Using a manifold-based analysis of experimental diffraction snapshots from an X-ray free
electron laser, we determine the three-dimensional structure and conformational landscape of …

Propagation of conformational coordinates across angular space in mapping the continuum of states from cryo-EM data by manifold embedding

S Maji, H Liao, A Dashti, G Mashayekhi… - Journal of chemical …, 2020 - ACS Publications
Recent approaches to the study of biological molecules employ manifold learning to single-particle
cryo-EM data sets to map the continuum of states of a molecule into a low-…

[HTML][HTML] Selecting XFEL single-particle snapshots by geometric machine learning

ER Cruz-Chú, A Hosseinizadeh, G Mashayekhi… - Structural …, 2021 - pubs.aip.org
… Panels (d)–(g) show histograms of the predictions f̃ for the diffraction patterns indexed with (…
Panels (d)–(g) show histograms of the predictions f ̃ for the diffraction patterns indexed with (d…

[HTML][HTML] Energy landscape of the SARS-CoV-2 reveals extensive conformational heterogeneity

G Mashayekhi, J Vant, A Polavarapu… - Current Research in …, 2022 - Elsevier
… Ghoncheh Mashayekhi: All authors contributed to study design, extracted the manifold of
conformational motions from single particle images, produced the free-energy landscape, and …

Triplet photosensitization of myrcene and some dienes within zeolite Y through heavy atom effect

M Ghandi, A Rahimi, G Mashayekhi - Journal of Photochemistry and …, 2006 - Elsevier
… Monovalent cation-exchanged zeolites (Li + , K + , Cs + and Tl + ) were prepared by stirring
10 g of NaY with 100 ml of appropriate 10% nitrate aqueous solutions at 90 C for 12 h. The …

Flow mediated dilation with photoplethysmography as a substitute for ultrasonic imaging

G Mashayekhi, E Zahedi, HM Attar… - Physiological …, 2015 - iopscience.iop.org
Flow mediated dilation (FMD) is a non-invasive method for endothelial function assessment
providing an index extracted from ultrasonic B-mode images. Although utilized in the …

Conformational dynamics and energy landscapes of ligand binding in RyR1

A Dashti, DB Hail, G Mashayekhi, P Schwander… - bioRxiv, 2017 - biorxiv.org
Using experimental single-particle cryo-EM snapshots of ryanodine receptor (RyR1), a Ca 2+
-channel involved in skeletal muscle excitation/contraction coupling, we present …

[HTML][HTML] Energy landscapes from cryo-EM snapshots: a benchmarking study

R Dsouza, G Mashayekhi, R Etemadpour… - Scientific reports, 2023 - nature.com
Biomolecules undergo continuous conformational motions, a subset of which are functionally
relevant. Understanding, and ultimately controlling biomolecular function are predicated on …