PPI3D database information

PDB release date2018-11-28
Number of PDB entries128649
Number of biological assemblies200035
Number of proteins445717
Number of peptides13855
Number of SCOPe domains188714


Number of protein-protein interaction interfaces438245
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%82259
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%65043
Clusters at sequence similarity > 40% and interface area similarity > 50%53932


Number of domain-domain interaction interfaces198324
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36397
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27376
Clusters at sequence similarity > 40% and interface area similarity > 50%23056


Number of all binding sites893934
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%118103
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%87557
Clusters at sequence similarity > 40% and binding site area similarity > 50%74647


Number of protein-protein binding sites876490
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%114832
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%85043
Clusters at sequence similarity > 40% and binding site area similarity > 50%72761


Number of protein-peptide binding sites17444
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3586
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2898
Clusters at sequence similarity > 40% and binding site area similarity > 50%2425


Number of domain-domain binding sites396577
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51809
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36257
Clusters at sequence similarity > 40% and binding site area similarity > 50%31445