SWISS-PROT protein sequence database
Release 2013_06, May 13
Swiss Institute of Bioinformatics; European Bioinformatics Institute
540,261 entries, 191,876,607 residues

TrEMBL protein sequence database
Release 2013_06, May 13
European Bioinformatics Institute; Swiss Institute of Bioinformatics
35,502,518 entries, 11,384,440,438 residues