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Methods Mol Biol. 2013;950:171-93. doi: 10.1007/978-1-62703-137-0_11.

Semiautomatic, high-throughput, high-resolution protocol for three-dimensional reconstruction of single particles in electron microscopy.

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  • 1Biocomputing Unit, National Center of Biotechnology (CSIC), Universidad Autónoma de Madrid, Madrid, Spain. coss@cnb.csic.es

Abstract

In this chapter we describe the steps needed for reconstructing the three-dimensional structure of a macromolecular complex starting from its projections collected in electron micrographs. The concepts are shown through the use of Xmipp 3.0, a software suite specifically designed for the image processing of biological structures imaged with electron or X-ray microscopy. We illustrate the image processing workflow by applying it to the images of Bovine Papilloma virus published in Wolf et al. (Proc Natl Acad Sci USA 107:6298-6303, 2010). We show that in the case of high-quality, homogeneous datasets with a priori knowledge about the initial volume, we can have a high-resolution 3D reconstruction in less than 1 day using a computer cluster with only 32 processors.

PMID:
23086876
[PubMed - indexed for MEDLINE]
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