Multiscale modeling of glycosaminoglycan structure and dynamics: current methods and challenges

A Almond - Current Opinion in Structural Biology, 2018 - Elsevier
Highlights•Methods established for modeling oligosaccharides, polysaccharides and protein
interactions.•Molecular mechanics force-fields now extended to most glycosaminoglycans.• …

Practical considerations for building GROMOS-compatible small-molecule topologies

JA Lemkul, WJ Allen, DR Bevan - Journal of chemical information …, 2010 - ACS Publications
Molecular dynamics simulations are being applied to increasingly complex systems,
including those involving small endogenous compounds and drug molecules. In order to …

Perspective on computational simulations of glycosaminoglycans

B Nagarajan, NV Sankaranarayanan… - Wiley Interdisciplinary …, 2019 - Wiley Online Library
Glycosaminoglycans (GAGs) represent a formidable frontier for chemists, biochemists,
biologists, medicinal chemists, and drug delivery specialists because of massive structural …

The influences of sulphation, salt type, and salt concentration on the structural heterogeneity of glycosaminoglycans

S Samantray, OO Olubiyi, B Strodel - International journal of molecular …, 2021 - mdpi.com
The increasing recognition of the biochemical importance of glycosaminoglycans (GAGs)
has in recent times made them the center of attention of recent research investigations. It …

Molecular dynamics-based comparative analysis of chondroitin and dermatan sulfates

M Pągielska, SA Samsonov - Biomolecules, 2023 - mdpi.com
Glycosaminoglycans (GAGs) are a class of linear anionic periodic polysaccharides
containing disaccharide repetitive units. These molecules interact with a variety of proteins …

Drude Polarizable Force Field Parametrization of Carboxylate and N-Acetyl Amine Carbohydrate Derivatives

P Pandey, AH Aytenfisu, AD MacKerell Jr… - Journal of chemical …, 2019 - ACS Publications
In this work, we report the development of Drude polarizable force field parameters for the
carboxylate and N-acetyl amine derivatives, extending the functionality of the existing Drude …

Effects of sulfation and the environment on the structure of chondroitin sulfate studied via Raman optical activity

V Profant, C Johannessen, EW Blanch… - Physical chemistry …, 2019 - pubs.rsc.org
Glycosaminoglycans are linear carbohydrate polymers with essential roles in many
biological processes. Chondroitin sulfate (CS) is one of them, omnipresent in living …

Sulfation and cation effects on the conformational properties of the glycan backbone of chondroitin sulfate disaccharides

CE Faller, O Guvench - The Journal of Physical Chemistry B, 2015 - ACS Publications
Chondroitin sulfate (CS) is one of several glycosaminoglycans that are major components of
proteoglycans. A linear polymer consisting of repeats of the disaccharide− 4GlcAβ1 …

In-depth molecular dynamics study of all possible chondroitin sulfate disaccharides reveals key insight into structural heterogeneity and dynamism

B Nagarajan, NV Sankaranarayanan, UR Desai - Biomolecules, 2022 - mdpi.com
GAGs exhibit a high level of conformational and configurational diversity, which remains
untapped in terms of the recognition and modulation of proteins. Although GAGs are …

Importance of IdoA and IdoA (2S) ring conformations in computational studies of glycosaminoglycan–protein interactions

SA Samsonov, MT Pisabarro - Carbohydrate research, 2013 - Elsevier
Glycosaminoglycans (GAGs) interact with chemokines and growth factors in the extracellular
matrix and, therefore, mediate cell communication processes. Heparin is one of the most …