Structural insights into the modulation of coronavirus spike tilting and infectivity by hinge glycans

D Chmielewski, EA Wilson, G Pintilie, P Zhao… - Nature …, 2023 - nature.com
Coronavirus spike glycoproteins presented on the virion surface mediate receptor binding,
and membrane fusion during virus entry and constitute the primary target for vaccine and …

Effect of Sulfation on the Conformational Dynamics of Dermatan Sulfate Glycosaminoglycan: A Gaussian Accelerated Molecular Dynamics Study

R Roy, NA Jonniya, P Kar - The Journal of Physical Chemistry B, 2022 - ACS Publications
Glycosaminoglycans (GAGs) are anionic biopolymers present on cell surfaces as a part of
proteoglycans. The biological activities of GAGs depend on the sulfation pattern. In our …

4 ″-Alkyl EGCG Derivatives Induce Cytoprotective Autophagy Response by Inhibiting EGFR in Glioblastoma Cells

S Singh, P Ghosh, R Roy, A Behera, R Sahadevan… - ACS …, 2024 - ACS Publications
Epidermal growth factor receptor (EGFR)-targeted therapy has been proven vital in the last
two decades for the treatment of multiple cancer types, including nonsmall cell lung cancer …

Exploration, Representation, and Rationalization of the Conformational Phase Space of N-Glycans

IL Grothaus, G Bussi… - Journal of Chemical …, 2022 - ACS Publications
Despite their fundamental biological relevance, structure–property relationships in N-
glycans are fundamentally lacking, and their highly multidimensional compositional and …

Comparative Structural Dynamics of Isoforms of Helicobacter pylori Adhesin BabA Bound to Lewis b Hexasaccharide via Multiple Replica Molecular Dynamics …

R Roy, NA Jonniya, MF Sk, P Kar - Frontiers in Molecular Biosciences, 2022 - frontiersin.org
BabA of Helicobacter pylori is the ABO blood group antigen-binding adhesin. Despite
considerable diversity in the BabA sequence, it shows an extraordinary adaptation in …

Comparison of the conformational dynamics of an N-glycan in implicit and explicit solvents

R Roy, S Poddar, P Kar - Carbohydrate Research, 2022 - Elsevier
All-atom MD simulations provide the atomic details of glycan structure in solution, but
extensive sampling is required for simulating the transition between rotameric states. For …

Elucidating the conformational dynamics of histo-blood group antigens and their interactions with the rotavirus spike protein through computational lens

S Poddar, R Roy, P Kar - Journal of Biomolecular Structure and …, 2024 - Taylor & Francis
In the present study, we investigated the conformational dynamics of histo-blood group
antigens (HBGAs) and their interactions with the VP8* domain of four rotavirus genotypes (P …

Conformational Preferences of an N-Glycan in Aqueous Solution: A Case Study for Evaluating the Accuracy of Generalized Born Model

R Roy, S Poddar, P Kar - Available at SSRN 4113756 - papers.ssrn.com
All-atom MD simulations provide the atomic details of glycan structure in solution, but
extensive sampling is required for simulating the transition between rotameric states. For …