1 European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SD, UK juan@ebi.ac.uk.
2 European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SD, UK.
3 Division of Immunology, Allergy and Infectious Diseases, Department of Dermatology, Medical University of Vienna, Austria.
4 Medizinisches Proteom Center (MPC), Ruhr-Universität Bochum, D-44801 Bochum, Germany.
5 Department of Computer Science and Technology, Hubei University of Education, Wuhan, China.
6 National Center for Protein Sciences, Beijing, China.