1. Institute of Biotechnology, Vilnius University, Sauletekio al. 7, LT-10257 Vilnius, Lithuania
2. Laboratory of Structural Biology, International Institute of Molecular and Cell Biology, Trojdena 4, 02–109 Warsaw, Poland
3. Dept. of Bioinformatics, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02–106 Warsaw, Poland