PPI3D database information

PDB release date2018-10-10
Number of PDB entries127525
Number of biological assemblies198267
Number of proteins441072
Number of peptides13706
Number of SCOPe domains188714


Number of protein-protein interaction interfaces433222
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%81339
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%64271
Clusters at sequence similarity > 40% and interface area similarity > 50%53426


Number of domain-domain interaction interfaces198365
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 sites883690
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%116737
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%86468
Clusters at sequence similarity > 40% and binding site area similarity > 50%73826


Number of protein-protein binding sites866444
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%113515
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%83993
Clusters at sequence similarity > 40% and binding site area similarity > 50%71969


Number of protein-peptide binding sites17246
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3529
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2850
Clusters at sequence similarity > 40% and binding site area similarity > 50%2388


Number of domain-domain binding sites396659
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