Structural and Computational Biology Unit, EMBL Meyerhofstrasse 1, Heidelberg, . pavlopou@embl.de|Structural and Computational Biology Unit, EMBL Meyerhofstrasse 1, Heidelberg, . pavlopou@embl.de|Structural and Computational Biology Unit, EMBL Meyerhofstrasse 1, Heidelberg, . pavlopou@embl.de|Structural and Computational Biology Unit, EMBL Meyerhofstrasse 1, Heidelberg, . pavlopou@embl.de|Structural and Computational Biology Unit, EMBL Meyerhofstrasse 1, Heidelberg, . pavlopou@embl.de