European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB101SD, UK. dbinns@ebi.ac.uk|European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB101SD, UK. dbinns@ebi.ac.uk|European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB101SD, UK. dbinns@ebi.ac.uk|European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB101SD, UK. dbinns@ebi.ac.uk|European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB101SD, UK. dbinns@ebi.ac.uk|European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB101SD, UK. dbinns@ebi.ac.uk