Publication details

Visual Analysis of Biomolecular Cavities: State of the Art

Authors

KRONE Michael KOZLÍKOVÁ Barbora LINDOW Norbert BAADEN Marc BAUM Daniel PARULEK Julius HEGE Hans-Christian VIOLA Ivan

Type Article in Periodical
Magazine / Source Computer Graphics Forum
MU Faculty or unit

Faculty of Informatics

Citation
Doi http://dx.doi.org/10.1111/cgf.12928
Field Informatics
Keywords biomolecules;visualization;visual analysis;cavity
Description In this report we review and structure the branch of molecular visualization that is concerned with the visual analysis of cavities in macromolecular protein structures. First the necessary background, the domain terminology, and the goals of analytical reasoning are introduced. Based on a comprehensive collection of relevant research works, we present a novel classification for cavity detection approaches and structure them into four distinct classes: grid-based, Voronoi-based, surface-based, and probe-based methods. The subclasses are then formed by their combinations. We match these approaches with corresponding visualization technologies starting with direct 3D visualization, followed with non-spatial visualization techniques that for example abstract the interactions between structures into a relational graph, straighten the cavity of interest to see its profile in one view, or aggregate the time sequence into a single contour plot. We also discuss the current state of methods for the visual analysis of cavities in dynamic data such as molecular dynamics simulations. Finally, we give an overview of the most common tools that are actively developed and used in the structural biology and biochemistry research. Our report is concluded by an outlook on future challenges in the field.
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