README file for the work Transient Hoogsteen Base Pairs Observed in Unbiased Molecular Dynamics DNA Simulations. Rodrigo Galindo-Murillo and Thomas E. Cheatham, III* AMBER topology file: nowater.topo, common for all three datasets. Trajectory files in NetCDF format. Trajectories processed via CPPTRAJ to remove solvent, autoimaged and RMS fitted. CPPTRAJ is part of AmberTools and is available at http://www.ambermd.org.