Glycosaminoglycans: what remains to be deciphered?

S Perez, O Makshakova, J Angulo, E Bedini, A Bisio… - Jacs Au, 2023 - ACS Publications
Glycosaminoglycans (GAGs) are complex polysaccharides exhibiting a vast structural
diversity and fulfilling various functions mediated by thousands of interactions in the …

Chitosan as a Canvas for Studies of Macromolecular Controls on CaCO3 Biological Crystallization

BM Knight, KJ Edgar, JJ De Yoreo… - Biomacromolecules, 2023 - ACS Publications
A mechanistic understanding of how macromolecules, typically as an organic matrix,
nucleate and grow crystals to produce functional biomineral structures remains elusive …

Solvent model benchmark for molecular dynamics of glycosaminoglycans

M Marcisz, SA Samsonov - Journal of chemical information and …, 2023 - ACS Publications
In computational studies of glycosaminoglycans (GAGs), a group of anionic, periodic linear
polysaccharides, so far there has been very little discussion about the role of solvent models …

Kinetics of Calcite Nucleation onto Sulfated Chitosan Derivatives and Implications for Water–Polysaccharide Interactions during Crystallization of Sparingly Soluble …

BM Knight, R Mondal, N Han, NF Pietra… - Crystal Growth & …, 2024 - ACS Publications
Anionic macromolecules are found at sites of CaCO3 biomineralization in diverse
organisms, but their roles in crystallization are not well-understood. We prepared a series of …

Sulfation Effects of Chondroitin Sulfate to Bind a Chemokine in Aqueous Medium: Conformational Heterogeneity and Dynamics from Molecular Simulation

S Dhurua, M Jana - Journal of Chemical Information and …, 2023 - ACS Publications
The sulfation patterns and degree of sulfation of chondroitin sulfate (CS), an important class
of glycosaminoglycans (GAG), and their interactions with chemokines are accountable for …

Revealing the key structural features promoting the helical conformation in algal polysaccharide carrageenan in solution

D Chavda, D Dutta, KN Patel, AK Rathod, W Kulig… - Carbohydrate …, 2024 - Elsevier
Carrageenans are industrially important polysaccharides with tunable viscoelastic and
gelation properties. The function of polysaccharide depends on its conformation and …

Comparative Bindings of Glycosaminoglycans with CXCL8 Monomer and Dimer: Insights from Conformational Dynamics and Kinetics of Hydrogen Bonds

S Dhurua, S Maity, B Maity, M Jana - The Journal of Physical …, 2024 - ACS Publications
GAGs bind to both the monomeric and dimeric forms of CXCL8, helping to form a
concentration gradient of the chemokine that facilitates the recruitment of neutrophils to an …

Molecular dynamics simulation: Effect of sulfation on the structure of curdlan triple helix in aqueous solution

Y Gao, X Feng, R Zhang, J Xiao, Q Huang, J Li… - International Journal of …, 2024 - Elsevier
In this work, by using molecular dynamics simulations, we elucidate the effect of sulfation
substitution on the stability of the curdlan triple helix structure. The simulation results indicate …

Conformational preferences of heparan sulfate to recognize the CXCL8 dimer in aqueous medium: degree of sulfation and hydrogen bonds

S Dhurua, M Jana - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
The sulfation pattern and epimerization of the long-chain sulfated polysaccharide heparan
sulfate (HS) cause structural diversity and regulate various physiological and pathological …

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 …