1. Protein Data Bank in Europe, European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus , Hinxton, Cambridgeshire CB10 1SD, United Kingdom
2. Biological Data Management and Analysis Core Facility, Centre for Structural Biology, CEITEC—Central European Institute of Technology, Masaryk University , Brno 62500, Czech Republic
3. National Centre for Biomolecular Research, Faculty of Science, Masaryk University , Brno 62500, Czech Republic