PPI3D database information

PDB release date2017-10-18
Number of PDB entries117823
Number of biological assemblies183469
Number of proteins408750
Number of peptides12494
Number of SCOPe domains188714


Number of protein-protein interaction interfaces403227
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%75699
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%59553
Clusters at sequence similarity > 40% and interface area similarity > 50%49633


Number of domain-domain interaction interfaces198554
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36420
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27399
Clusters at sequence similarity > 40% and interface area similarity > 50%23066


Number of all binding sites822171
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%107703
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%79076
Clusters at sequence similarity > 40% and binding site area similarity > 50%67654


Number of protein-protein binding sites806454
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%104802
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%76860
Clusters at sequence similarity > 40% and binding site area similarity > 50%65981


Number of protein-peptide binding sites15717
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3179
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%2556
Clusters at sequence similarity > 40% and binding site area similarity > 50%2155


Number of domain-domain binding sites397037
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51836
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36282
Clusters at sequence similarity > 40% and binding site area similarity > 50%31461