Division of Electron Microscopy, Biocenter, University of Wuerzburg, Wuerzburg, Germany.|Molecular Biotechnology and Functional Genomics, Technical University of Applied Sciences Wildau, Wildau, Germany.|Division of Electron Microscopy, Biocenter, University of Wuerzburg, Wuerzburg, Germany.|Center for Computational and Theoretical Biology, University of Wuerzburg, Wuerzburg, Germany.|Department of Bioinformatics, Biocenter, University of Wuerzburg, Wuerzburg, Germany.|Division of Electron Microscopy, Biocenter, University of Wuerzburg, Wuerzburg, Germany.