PPI3D database information

PDB release date2019-04-17
Number of PDB entries132742
Number of biological assemblies206078
Number of proteins462268
Number of peptides14329
Number of SCOPe domains188714


Number of protein-protein interaction interfaces458396
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%85231
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%67450
Clusters at sequence similarity > 40% and interface area similarity > 50%55691


Number of domain-domain interaction interfaces198175
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36388
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27368
Clusters at sequence similarity > 40% and interface area similarity > 50%23051


Number of all binding sites934752
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%122651
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%90963
Clusters at sequence similarity > 40% and binding site area similarity > 50%77429


Number of protein-protein binding sites916792
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%119280
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%88364
Clusters at sequence similarity > 40% and binding site area similarity > 50%75481


Number of protein-peptide binding sites17960
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3697
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2998
Clusters at sequence similarity > 40% and binding site area similarity > 50%2503


Number of domain-domain binding sites396279
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51798
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36248
Clusters at sequence similarity > 40% and binding site area similarity > 50%31439