Cathy H. Wu Rolf Apweiler Amos Bairoch Darren A. Natale Winona C. Barker Brigitte Boeckmann Serenella Ferro Elisabeth Gasteiger Hongzhan Huang Rodrigo Lopez Michele Magrane Maria Jesus Martin Raja Mazumder Claire O'Donovan Nicole Redaschi Baris E. Suzek The Universal Protein Resource (UniProt): an expanding universe of protein information. 187-191 2006 34 Nucleic Acids Research Database-Issue http://dx.doi.org/10.1093/nar/gkj161 db/journals/nar/nar34.html#WuABNBBFGHLMMMORS06