Optimization of the CHARMM additive force field for DNA: Improved treatment of the BI/BII conformational equilibrium

K Hart, N Foloppe, CM Baker, EJ Denning… - Journal of chemical …, 2012 - ACS Publications
The B-form of DNA can populate two different backbone conformations: BI and BII, defined
by the difference between the torsion angles ε and ζ (BI= ε–ζ< 0 and BII= ε–ζ> 0). BI is the …

A Modified Version of the Cornell et al. Force Field with Improved Sugar Pucker Phases and Helical Repeat

TE Cheatham III, P Cieplak… - Journal of Biomolecular …, 1999 - Taylor & Francis
We have examined some subtle parameter modifications to the Cornell et al. force field,
which has proven quite successful in reproducing nucleic acid properties, but whose C2 …

The nucleic acid database. A comprehensive relational database of three-dimensional structures of nucleic acids.

HM Berman, WK Olson, DL Beveridge… - Biophysical …, 1992 - ncbi.nlm.nih.gov
Although nucleic acid structures are contained within the Protein Data Bank (PDB)(6) and
the Cambridge Structural Database (7), no single database is devoted entirely to nucleic …

Crystal structure of a CAP-DNA complex: the DNA is bent by 90

SC Schultz, GC Shields, TA Steitz - Science, 1991 - science.org
The 3 angstrom resolution crystal structure of the Escherichia coli catabolite gene activator
protein (CAP) complexed with a 30-base pair DNA sequence shows that the DNA is bent by …

An all-atom empirical energy function for the simulation of nucleic acids

AD MacKerell Jr, J Wiorkiewicz-Kuczera… - Journal of the …, 1995 - ACS Publications
Nucleic acidparameters are developed for the all-atomempirical energy function used in the
CHARMM program. The parameters were determined by use of results for model …

Structural basis of gene regulation by the tetracycline inducible Tet repressor–operator system

P Orth, D Schnappinger, W Hillen, W Saenger… - Nature structural …, 2000 - nature.com
The tetracycline repressor (TetR) regulates the most abundant resistance mechanism
against the antibiotic tetracycline in gram-negative bacteria. The TetR protein and its …

Molecular dynamic simulations of environment and sequence dependent DNA conformations: the development of the BMS nucleic acid force field and comparison …

DR Langley - Journal of Biomolecular Structure and Dynamics, 1998 - Taylor & Francis
Molecular dynamic (MD) simulations using the BMS nucleic acid force field produce
environment and sequence dependent DNA conformations that closely mimic …

Molecular dynamics simulations of nucleic acids with a generalized Born solvation model

V Tsui, DA Case - Journal of the American Chemical Society, 2000 - ACS Publications
A generalized Born (GB) model has been applied to molecular dynamics simulations of the
A-and B-forms of a duplex DNA d (CCAACGTTGG) 2 and the corresponding duplex RNA r …

A detailed interpretation of OH radical footprints in a TBP-DNA complex reveals the role of dynamics in the mechanism of sequence-specific binding

N Pastor, H Weinstein, E Jamison… - Journal of molecular …, 2000 - Elsevier
The hydroxyl radical footprint of the TATA-binding protein (TBP) bound to the high-affinity
sequence TATAAAAG of the adenovirus 2 major late promoter has been quantitatively …

Molecular dynamics studies of DNA

DL Beveridge, G Ravishanker - Current Opinion in Structural Biology, 1994 - Elsevier
Progress has recently been made towards the development of an accurate theoretical model
of DNA structure and motions on the basis of molecular dynamics computer simulations …