PIR
PIR - International Protein Sequence Database
The Main Protein Sequence Databases
SWISS-PROT + TrEMBL (translated EMBL)
Secondary databases
Ensembl (automatic annotation of eukaryotic genomes)
InterPro (includes Pfam, PRINTS, PROSITE)
Primarily databases
The RCSB Protein Data Bank
http://www.rcsb.org
http://expasy.nhri.org.tw
http://pir.georgetown.edu
Protein Data Bank