Structural Biology and Biocomputing Programme, Spanish National Cancer Research Centre (CNIO), Melchor Fernandez Almagro, 3, E-28029 Madrid, Spain. adelpozo@cnio.es|Structural Biology and Biocomputing Programme, Spanish National Cancer Research Centre (CNIO), Melchor Fernandez Almagro, 3, E-28029 Madrid, Spain. adelpozo@cnio.es|Structural Biology and Biocomputing Programme, Spanish National Cancer Research Centre (CNIO), Melchor Fernandez Almagro, 3, E-28029 Madrid, Spain. adelpozo@cnio.es