SWISS-PROT protein sequence database
Release 2022_01, Feb 22
Swiss Institute of Bioinformatics; European Bioinformatics Institute
566,996 entries, 204,698,499 residues

TrEMBL protein sequence database
Release 2022_01, Feb 22
European Bioinformatics Institute; Swiss Institute of Bioinformatics
230,328,648 entries, 80,596,791,741 residues

Re-organized Protein Data Bank
Release 22-05-21, May 22
Kyoto University Bioinformatics Center
536,546 entries, 150,951,842 residues