Conformational dynamics of intrinsically disordered proteins regulate biomolecular condensate chemistry

A Abyzov, M Blackledge, M Zweckstetter - Chemical Reviews, 2022 - ACS Publications
Motions in biomolecules are critical for biochemical reactions. In cells, many biochemical
reactions are executed inside of biomolecular condensates formed by ultradynamic …

Integrated modeling program, applied chemical theory (IMPACT)

JL Banks, HS Beard, Y Cao, AE Cho… - Journal of …, 2005 - Wiley Online Library
We provide an overview of the IMPACT molecular mechanics program with an emphasis on
recent developments and a description of its current functionality. With respect to core …

Optimization of the Additive CHARMM All-Atom Protein Force Field Targeting Improved Sampling of the Backbone ϕ, ψ and Side-Chain χ1 and χ2 Dihedral Angles

RB Best, X Zhu, J Shim, PEM Lopes… - Journal of chemical …, 2012 - ACS Publications
While the quality of the current CHARMM22/CMAP additive force field for proteins has been
demonstrated in a large number of applications, limitations in the model with respect to the …

Balanced protein–water interactions improve properties of disordered proteins and non-specific protein association

RB Best, W Zheng, J Mittal - Journal of chemical theory and …, 2014 - ACS Publications
Some frequently encountered deficiencies in all-atom molecular simulations, such as
nonspecific protein–protein interactions being too strong, and unfolded or disordered states …

Polarizable force field for peptides and proteins based on the classical drude oscillator

PEM Lopes, J Huang, J Shim, Y Luo, H Li… - Journal of chemical …, 2013 - ACS Publications
Presented is a polarizable force field based on a classical Drude oscillator framework,
currently implemented in the programs CHARMM and NAMD, for modeling and molecular …

Responsive hydrogels from the intramolecular folding and self-assembly of a designed peptide

JP Schneider, DJ Pochan, B Ozbas… - Journal of the …, 2002 - ACS Publications
A general peptide design is presented that links the pH-dependent intramolecular folding of
β-hairpin peptides to their propensity to self-assemble, affording hydrogels rich in β-sheet …

The protein folding 'speed limit'

J Kubelka, J Hofrichter, WA Eaton - Current opinion in structural biology, 2004 - Elsevier
How fast can a protein possibly fold? This question has stimulated experimentalists to seek
fast folding proteins and to engineer them to fold even faster. Proteins folding at or near the …

Tryptophan zippers: Stable, monomeric β-hairpins

AG Cochran, NJ Skelton… - Proceedings of the …, 2001 - National Acad Sciences
A structural motif, the tryptophan zipper (trpzip), greatly stabilizes the β-hairpin conformation
in short peptides. Peptides (12 or 16 aa in length) with four different turn sequences are …

Free-energy landscape for β hairpin folding from combined parallel tempering and metadynamics

G Bussi, FL Gervasio, A Laio… - Journal of the American …, 2006 - ACS Publications
We develope a new free-energy method, based on the combination of parallel tempering
and metadynamics, and apply this method to the calculation of the free-energy landscape of …

[HTML][HTML] Unfolding of titin immunoglobulin domains by steered molecular dynamics simulation

H Lu, B Isralewitz, A Krammer, V Vogel, K Schulten - Biophysical journal, 1998 - cell.com
Abstract Titin, a 1-μm-long protein found in striated muscle myofibrils, possesses unique
elastic and extensibility properties in its I-band region, which is largely composed of a PEVK …