Şölen Ekesan’s paper "Framework for Conducting and Analyzing Crystal Simulations of Nucleic Acids to Aid in Modern Force Field Evaluation" is featured on the cover of the June 6th issue of the Journal of Physical Chemistry B. Her paper introduces a framework for B-factor decomposition into additive intramolecular, rotational, and translational atomic fluctuation components, and applies it to a benchmark set of A-DNA, Z-DNA, and B-DNA double helix systems.