Visualizing Potential Energy Curves and Conformations on Ultra High-Resolution Display Walls

Karl N. Kirschner, Dirk Reith, Oliver Jato, André Hinkenjann
Journal of Molecular Graphics and Modelling - 2015


In this contribution, we examine how visualization on an ultra high-resolution display wall can augment force-field research in the field of molecular modeling. Accurate force fields are essential for producing reliable simulations, and subsequently important for several fields of applications (e.g. rational drug design and biomolecular modeling). We discuss how using HORNET, a recently constructed specific ultra high-resolution tiled display wall, enhances the visual analytics that are necessary for conformational-based interpretation of the raw data from molecular calculations. Simultaneously viewing multiple potential energy graphs and conformation overlays leads to an enhanced way of evaluating force fields and in their optimization. Consequently, we have integrated visual analytics into our existing Wolf2Pack workflow. We applied this workflow component to analyze how major AMBER force fields (Parm14SB, Gaff, Lipid14, Glycam06j) perform at reproducing the quantum mechanics relative energies and geometries of saturated hydrocarbons. Included in this comparison are the 1996 OPLS force field and our newly developed ExTrM force field. While we focus on atomistic force fields the ideas presented herein are generalizable to other research areas, particularly those that involve numerous representations of large data amounts and whose simultaneous visualization enhances the analysis.

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BibTex references

  author       = {Kirschner, Karl N. and Reith, Dirk and Jato, Oliver and Hinkenjann, Andr{\'e}},
  title        = {Visualizing Potential Energy Curves and Conformations on Ultra High-Resolution Display Walls},
  journal      = {Journal of Molecular Graphics and Modelling},
  year         = {2015},

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» Karl N. Kirschner
» Dirk Reith
» Oliver Jato
» André Hinkenjann