SWISS-PROT protein sequence database
Release 57.13, Jan 10
Swiss Institute of Bioinformatics; European Bioinformatics Institute
514,212 entries, 180,900,945 residues

TrEMBL protein sequence database
Release 40.13, Jan 10
European Bioinformatics Institute; Swiss Institute of Bioinformatics
10,158,056 entries, 3,272,463,726 residues

PRF protein sequence database
Release 131, Jan 10
Protein Research Foundation, Osaka
1,326,246 entries, 436,826,311 residues

Re-organized Protein Data Bank
Release 10-02-08, Feb 10
Kyoto University Bioinformatics Center
156,742 entries, 36,706,494 residues