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