PPI3D database information

PDB release date2021-05-19
Number of PDB entries155955
Number of biological assemblies239963
Number of proteins553715
Number of peptides16994
Number of nucleic acids12795
Number of SCOPe domains188184


Number of protein-protein interaction interfaces568164
Clusters at sequence similarity > 95%66094
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%103494
Clusters at sequence similarity > 40%41995
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%81316
Clusters at sequence similarity > 40% and interface area similarity > 50%66211


Number of domain-domain interaction interfaces198123
Clusters at sequence similarity > 95%22473
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36449
Clusters at sequence similarity > 40%13634
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27346
Clusters at sequence similarity > 40% and interface area similarity > 50%23032


Number of all binding sites1243345
Clusters at sequence similarity > 95%52313
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%158264
Clusters at sequence similarity > 40%30117
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%115941
Clusters at sequence similarity > 40% and binding site area similarity > 50%97271


Number of protein-protein binding sites1136328
Clusters at sequence similarity > 95%50715
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%146567
Clusters at sequence similarity > 40%29161
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%107284
Clusters at sequence similarity > 40% and binding site area similarity > 50%90423


Number of protein-peptide binding sites21444
Clusters at sequence similarity > 95%3279
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%4420
Clusters at sequence similarity > 40%1975
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%3461
Clusters at sequence similarity > 40% and binding site area similarity > 50%2900


Number of protein-nucleic acid binding sites85573
Clusters at sequence similarity > 95%5415
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%7795
Clusters at sequence similarity > 40%3451
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%5808
Clusters at sequence similarity > 40% and binding site area similarity > 50%4914


Number of domain-domain binding sites396175
Clusters at sequence similarity > 95%18898
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51853
Clusters at sequence similarity > 40%10729
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36282
Clusters at sequence similarity > 40% and binding site area similarity > 50%31479