PPI3D database information

PDB release date2017-08-16
Number of PDB entries116453
Number of biological assemblies181261
Number of proteins404198
Number of peptides12264
Number of SCOPe domains188714


Number of protein-protein interaction interfaces399017
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%74535
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%58606
Clusters at sequence similarity > 40% and interface area similarity > 50%48836


Number of domain-domain interaction interfaces198593
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36425
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27404
Clusters at sequence similarity > 40% and interface area similarity > 50%23071


Number of all binding sites813434
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%105667
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%77535
Clusters at sequence similarity > 40% and binding site area similarity > 50%66304


Number of protein-protein binding sites798034
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%102833
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%75372
Clusters at sequence similarity > 40% and binding site area similarity > 50%64665


Number of protein-peptide binding sites15400
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3106
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2496
Clusters at sequence similarity > 40% and binding site area similarity > 50%2109


Number of domain-domain binding sites397115
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51844
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36290
Clusters at sequence similarity > 40% and binding site area similarity > 50%31469