Computational approaches for investigating base flipping in oligonucleotides

UD Priyakumar, AD MacKerell - Chemical reviews, 2006 - ACS Publications
Protein-DNA interactions are central for transcription, replication, and various DNA repair
mechanisms. 1-5 Some proteins exert their effects by simple binding to DNA or RNA without …

Simulations of nucleic acids and their complexes

E Giudice, R Lavery - Accounts of chemical research, 2002 - ACS Publications
Recent years have seen considerable progress in simulations of nucleic acids.
Improvements in force fields, simulation techniques and protocols, and increasing computer …

[图书][B] DNA and RNA modification enzymes: structure, mechanism, function and evolution

H Grosjean - 2009 - taylorfrancis.com
This volume is a timely and comprehensive description of the many facets of DNA and RNA
modification-editing processes and to some extent repair mechanisms. Each chapter offers …

Base pair opening within B‐DNA: free energy pathways for GC and AT pairs from umbrella sampling simulations

E Giudice, P Várnai, R Lavery - Nucleic acids research, 2003 - academic.oup.com
The conformational pathways and the free energy variations for base opening into the major
and minor grooves of a B‐DNA duplex are studied using umbrella sampling molecular …

Free energy and structural pathways of base flipping in a DNA GCGC containing sequence

NK Banavali, AD MacKerell Jr - Journal of molecular biology, 2002 - Elsevier
Structural distortions of DNA are essential for its biological function due to the genetic
information of DNA not being physically accessible in the duplex state. Base flipping is one …

Atomistic understanding of kinetic pathways for single base-pair binding and unbinding in DNA

MF Hagan, AR Dinner, D Chandler… - Proceedings of the …, 2003 - National Acad Sciences
We combine free-energy calculations and molecular dynamics to elucidate a mechanism for
DNA base-pair binding and unbinding in atomic detail. Specifically, transition-path sampling …

Dynamic behavior of DNA base pairs containing 8-oxoguanine

X Cheng, C Kelso, V Hornak… - Journal of the …, 2005 - ACS Publications
The process by which DNA repair enzymes recognize and selectively excise damaged
bases in duplex DNA is fundamental to our mechanistic understanding of these critical …

A nuclear magnetic resonance investigation of the energetics of basepair opening pathways in DNA

D Coman, IM Russu - Biophysical journal, 2005 - cell.com
The opening of basepairs plays a key role in DNA replication and transcription, and in the
action of DNA repair and modification enzymes. In this article, we have used proton …

Base flipping in DNA: pathways and energetics studied with molecular dynamic simulations

P Várnai, R Lavery - Journal of the American Chemical Society, 2002 - ACS Publications
Carrying out chemistry on the bases of DNA, necessary for biological processes such as
methylation or repair, requires flipping the base into an accessible position. In this work …

Significance of molecular dynamics simulations for life sciences

M Karplus, R Lavery - Israel Journal of Chemistry, 2014 - Wiley Online Library
This article illustrates by examples the limited acceptance by biologists of predictions made
with molecular dynamics simulations of biomolecules. Its purpose is to increase the …