http://srs.ebi.ac.uk/

http://srs.ddbj.nig.ac.jp/

EMBL Nucleotide Database – Europe’s primary collection of nucleotide sequences is maintained in collaboration with Genbank (USA) and DDBJ (Japan) SWISS-PROT – A complete annotated protein sequence database Macromolecular Structure Database - European Project for the management and distribution of data on macromolecular structures ArrayExpress - for gene expression data ENSEMBL - Metazoic genomes and the best possible automatic annotation.