EMBL-European Bioinformatics Institute, Cambridge, UK. gregoire.pau@ebi.ac.uk|EMBL-European Bioinformatics Institute, Cambridge, UK. gregoire.pau@ebi.ac.uk|EMBL-European Bioinformatics Institute, Cambridge, UK. gregoire.pau@ebi.ac.uk|EMBL-European Bioinformatics Institute, Cambridge, UK. gregoire.pau@ebi.ac.uk|EMBL-European Bioinformatics Institute, Cambridge, UK. gregoire.pau@ebi.ac.uk