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.
http://www.lionbioscience.com/