Results 31 to 40 of about 3,454,137 (301)

Protein dynamics and conformational selection in bidirectional signal transduction

open access: yesBMC Biology, 2012
Protein conformational dynamics simultaneously allow promiscuity and specificity in binding. The multiple conformations of the free EphA4 ligand-binding domain observed in two new EphA4 crystal structures provide a unique insight into the conformational ...
Nussinov Ruth, Ma Buyong
doaj   +1 more source

Molecular dynamics simulation study of the binding of purine bases to the aptamer domain of the guanine sensing riboswitch [PDF]

open access: yes, 2009
Riboswitches are a novel class of genetic control elements that function through the direct interaction of small metabolite molecules with structured RNA elements.
Stock, Gerhard   +4 more
core   +1 more source

DynaRepo: the repository of macromolecular conformational dynamics. [PDF]

open access: yesNucleic Acids Res
Abstract Proteins, RNA, and DNA are central to virtually all cellular processes, often assembling into macromolecular complexes to perform their functions. While these molecules are inherently dynamic, most methods for studying their mechanisms focus on static structures.
Mokhtari O   +3 more
europepmc   +3 more sources

Conformal dynamics of precursors to fracture [PDF]

open access: yesEurophysics Letters (EPL), 2003
An exact integro-differential equation for the conformal map from the unit circle to the boundary of an evolving cavity in a stressed 2-dimensional solid is derived. This equation provides an accurate description of the dynamics of precursors to fracture when surface diffusion is important.
Barra, F, Herrera, M, Procaccia, I
openaire   +4 more sources

Dimerization and ligand binding in tyrosylprotein sulfotransferase-2 are influenced by molecular motions [PDF]

open access: yes, 2016
Tyrosylprotein sulfotransferase-2 catalyses important, but a less explored posttranslational modification of proteins. The crystallographic structure of the full complex, containing the enzyme, PAPS cofactor and the peptide substrate (WTFC) revealed ...
Karabencheva-Christova, T. G.   +10 more
core   +1 more source

Dynamic and conformational switching in proteins [PDF]

open access: yesBiopolymers, 2020
AbstractUsing bioinformatic methods for treating protein dynamics, developed in earlier work, we study the relationship between sequence mobility and dynamics in proteins. It is shown that sequence mobility drives a transition between two dynamic regimes in proteins, and that the specific details of this transition differ qualitatively between α ...
H.A. Scheraga, S. Rackovsky
openaire   +2 more sources

ABCE1 Controls Ribosome Recycling by an Asymmetric Dynamic Conformational Equilibrium

open access: yesCell Reports, 2019
Summary: The twin-ATPase ABCE1 has a vital function in mRNA translation by recycling terminated or stalled ribosomes. As for other functionally distinct ATP-binding cassette (ABC) proteins, the mechanochemical coupling of ATP hydrolysis to conformational
Giorgos Gouridis   +7 more
doaj   +1 more source

Protein conformational transitions coupling with ligand interactions: Simulations from molecules to medicine

open access: yesMedicine in Novel Technology and Devices, 2019
The functions and activities of proteins are closely related to their structures and dynamics, and their interactions with ligands. Knowledge of the mechanistic events of proteins’ conformational transitions and interactions with ligands is crucially ...
Dechang Li, Baohua Ji
doaj   +1 more source

Mapping the conformational energy landscape of Abl kinase using ClyA nanopore tweezers

open access: yesNature Communications, 2022
Quantitative characterization of kinase conformational dynamics remains challenging. Here, the authors show that protein nanopore tweezers allow analyzing the conformational energy landscape and ligand binding of the Abl kinase domain.
Fanjun Li   +4 more
doaj   +1 more source

Distance-Based Configurational Entropy of Proteins from Molecular Dynamics Simulations. [PDF]

open access: yesPLoS ONE, 2015
Estimation of configurational entropy from molecular dynamics trajectories is a difficult task which is often performed using quasi-harmonic or histogram analysis.
Federico Fogolari   +8 more
doaj   +1 more source

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