PPI3D database information

PDB release date2018-07-18
Number of PDB entries124789
Number of biological assemblies194251
Number of proteins432537
Number of peptides13444
Number of SCOPe domains188714


Number of protein-protein interaction interfaces425068
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%79644
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%62777
Clusters at sequence similarity > 40% and interface area similarity > 50%52138


Number of domain-domain interaction interfaces198470
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36402
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27381
Clusters at sequence similarity > 40% and interface area similarity > 50%23056


Number of all binding sites867038
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%113861
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%83956
Clusters at sequence similarity > 40% and binding site area similarity > 50%71583


Number of protein-protein binding sites850136
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%110727
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%81560
Clusters at sequence similarity > 40% and binding site area similarity > 50%69785


Number of protein-peptide binding sites16902
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3433
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2761
Clusters at sequence similarity > 40% and binding site area similarity > 50%2313


Number of domain-domain binding sites396869
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51811
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36258
Clusters at sequence similarity > 40% and binding site area similarity > 50%31445