Informace o publikaci

Multiscale Visual Drilldown for the Analysis of Large Ensembles of Multi-Body Protein Complexes



Rok publikování 2020
Druh Článek v odborném periodiku
Časopis / Zdroj IEEE Transactions on Visualization and Computer Graphics
Fakulta / Pracoviště MU

Fakulta informatiky

Klíčová slova Molecular Visualization; Data Filtering; Coordinated and Multiple Views
Popis When studying multi-body protein complexes, biochemists use computational tools that can suggest hundreds or thousands of their possible spatial configurations. However, it is not feasible to experimentally verify more than only a very small subset of them. In this paper, we propose a novel multiscale visual drilldown approach that was designed in tight collaboration with proteomic experts, enabling a systematic exploration of the configuration space. Our approach takes advantage of the hierarchical structure of the data – from the whole ensemble of protein complex configurations to the individual configurations, their contact interfaces, and the interacting amino acids. Our new solution is based on interactively linked 2D and 3D views for individual hierarchy levels and at each level, we offer a set of selection and filtering operations enabling the user to narrow down the number of configurations that need to be manually scrutinized. Furthermore, we offer a dedicated filter interface, which provides the users with an overview of the applied filtering operations and enables them to examine their impact on the explored ensemble. This way, we maintain the history of the exploration process and thus enable the user to return to an earlier point of the exploration. We demonstrate the effectiveness of our approach on two case studies conducted by collaborating proteomic experts.
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