PPI3D database information

PDB release date2018-02-21
Number of PDB entries120940
Number of biological assemblies188457
Number of proteins420217
Number of peptides12935
Number of SCOPe domains188714


Number of protein-protein interaction interfaces415118
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%77645
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%61187
Clusters at sequence similarity > 40% and interface area similarity > 50%50956


Number of domain-domain interaction interfaces198543
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36415
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27394
Clusters at sequence similarity > 40% and interface area similarity > 50%23062


Number of all binding sites846504
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%110718
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%81552
Clusters at sequence similarity > 40% and binding site area similarity > 50%69641


Number of protein-protein binding sites830236
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%107715
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%79248
Clusters at sequence similarity > 40% and binding site area similarity > 50%67900


Number of protein-peptide binding sites16268
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3285
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2652
Clusters at sequence similarity > 40% and binding site area similarity > 50%2233


Number of domain-domain binding sites397015
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51828
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36275
Clusters at sequence similarity > 40% and binding site area similarity > 50%31454