1. Department of Biophysics; Centre of the Region Haná for Biotechnological and Agricultural Research; Faculty of Science; Palacký University; Šlechtitelů 11 783 71 Olomouc Czech Republic
2. Department of Protein Biochemistry and Proteomics; Centre of the Region Haná for Biotechnological and Agricultural Research; Faculty of Science; Palacký University; Šlechtitelů 11 783 71 Olomouc Czech Republic
3. Electron Microscopy Group; Groningen Biomolecular Sciences and Biotechnology Institute; University of Groningen; Nijenborgh 7 9747 AG Groningen The Netherlands