PPI3D database information

PDB release date2019-05-15
Number of PDB entries133508
Number of biological assemblies207198
Number of proteins464500
Number of peptides14390
Number of SCOPe domains188714


Number of protein-protein interaction interfaces460436
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%85538
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%67684
Clusters at sequence similarity > 40% and interface area similarity > 50%55883


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 sites938897
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%123120
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%91296
Clusters at sequence similarity > 40% and binding site area similarity > 50%77720


Number of protein-protein binding sites920872
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%119739
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%88693
Clusters at sequence similarity > 40% and binding site area similarity > 50%75769


Number of protein-peptide binding sites18025
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%3709
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%3005
Clusters at sequence similarity > 40% and binding site area similarity > 50%2509


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