PPI3D database information

PDB release date2019-02-13
Number of PDB entries130839
Number of biological assemblies203324
Number of proteins453822
Number of peptides14115
Number of SCOPe domains188714


Number of protein-protein interaction interfaces447985
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%83507
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%66056
Clusters at sequence similarity > 40% and interface area similarity > 50%54703


Number of domain-domain interaction interfaces198204
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36390
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27370
Clusters at sequence similarity > 40% and interface area similarity > 50%23052


Number of all binding sites913697
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%119928
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%88997
Clusters at sequence similarity > 40% and binding site area similarity > 50%75843


Number of protein-protein binding sites895970
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%116600
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%86434
Clusters at sequence similarity > 40% and binding site area similarity > 50%73920


Number of protein-peptide binding sites17727
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3648
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2954
Clusters at sequence similarity > 40% and binding site area similarity > 50%2470


Number of domain-domain binding sites396337
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51801
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36251
Clusters at sequence similarity > 40% and binding site area similarity > 50%31442