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Protocols for Subtomogram Averaging of Membrane Proteins in the Dynamo Software Package

Navarro, Paula P. and Stahlberg, Henning and Castaño-Díez, Daniel. (2018) Protocols for Subtomogram Averaging of Membrane Proteins in the Dynamo Software Package. Frontiers in Molecular Biosciences, 5. p. 82.

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Official URL: https://edoc.unibas.ch/66344/

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Abstract

Cryo-electron tomography allows low-resolution three-dimensional (3D) viewing of cellular organelles and macromolecular complexes present as multiple copies within a tomogram. These structures are computationally extracted and averaged in order to obtain high-resolution 3D structures, and provide a map of their spatial distribution and interaction with their biological microenvironment. To do so, we apply the user-friendly; Dynamo; software package on a tomographic data set.; Dynamo; acts as a modular toolbox adaptable to different biological scenarios, allowing a custom designed pipeline for subtomogram averaging. Here, we use as a textbook example the mitochondrial docking site of the positive-strand RNA Flock house nodavirus (FHV) to describe how; Dynamo; coordinates several basic steps in the subtomogram averaging workflow. Our framework covers specific strategies to deal with additional issues in subtomogram averaging as tomographic data management, 3D surface visualization, automatic assignment of asymmetry and inherent loss of Fourier information in presence of preferential views.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Structural Biology & Biophysics > Structural Biology (Stahlberg)
05 Faculty of Science > Departement Biozentrum
UniBasel Contributors:Stahlberg, Henning and Castano Diez, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Frontiers Media
e-ISSN:2296-889X
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:20 Aug 2020 08:56
Deposited On:26 Apr 2020 19:34

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