PPI3D database information

PDB release date2018-04-18
Number of PDB entries122397
Number of biological assemblies190703
Number of proteins424986
Number of peptides13119
Number of SCOPe domains188714


Number of protein-protein interaction interfaces418964
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%78313
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%61731
Clusters at sequence similarity > 40% and interface area similarity > 50%51376


Number of domain-domain interaction interfaces198533
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36413
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27392
Clusters at sequence similarity > 40% and interface area similarity > 50%23060


Number of all binding sites854406
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%111747
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%82353
Clusters at sequence similarity > 40% and binding site area similarity > 50%70292


Number of protein-protein binding sites837928
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%108698
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%80014
Clusters at sequence similarity > 40% and binding site area similarity > 50%68529


Number of protein-peptide binding sites16478
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3338
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2694
Clusters at sequence similarity > 40% and binding site area similarity > 50%2265


Number of domain-domain binding sites396995
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51825
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36272
Clusters at sequence similarity > 40% and binding site area similarity > 50%31451