EMBL-European Bioinformatics Institute, Hinxton, UK. sbotond@ebi.ac.uk|EMBL-European Bioinformatics Institute, Hinxton, UK. sbotond@ebi.ac.uk|EMBL-European Bioinformatics Institute, Hinxton, UK. sbotond@ebi.ac.uk|EMBL-European Bioinformatics Institute, Hinxton, UK. sbotond@ebi.ac.uk