PPI3D database information

PDB release date2021-11-24
Number of PDB entries163810
Number of biological assemblies250125
Number of proteins605236
Number of peptides17919
Number of nucleic acids14231
Number of SCOPe domains188370


Number of protein-protein interaction interfaces647799
Clusters at sequence similarity > 95%72244
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%114358
Clusters at sequence similarity > 40%45572
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%90043
Clusters at sequence similarity > 40% and interface area similarity > 50%71730


Number of domain-domain interaction interfaces198414
Clusters at sequence similarity > 95%22501
Clusters at sequence similarity > 95% and interface residue contacts similarity > 50%36494
Clusters at sequence similarity > 40%13657
Clusters at sequence similarity > 40% and interface residue contacts similarity > 50%27392
Clusters at sequence similarity > 40% and interface area similarity > 50%23057


Number of all binding sites1420130
Clusters at sequence similarity > 95%55499
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%174895
Clusters at sequence similarity > 40%31688
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%126656
Clusters at sequence similarity > 40% and binding site area similarity > 50%104665


Number of protein-protein binding sites1295598
Clusters at sequence similarity > 95%53825
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%161635
Clusters at sequence similarity > 40%30696
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%116846
Clusters at sequence similarity > 40% and binding site area similarity > 50%97073


Number of protein-peptide binding sites22663
Clusters at sequence similarity > 95%3458
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%4671
Clusters at sequence similarity > 40%2069
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%3629
Clusters at sequence similarity > 40% and binding site area similarity > 50%3027


Number of protein-nucleic acid binding sites101869
Clusters at sequence similarity > 95%6115
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%9180
Clusters at sequence similarity > 40%3858
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%6871
Clusters at sequence similarity > 40% and binding site area similarity > 50%5661


Number of domain-domain binding sites396756
Clusters at sequence similarity > 95%18915
Clusters at sequence similarity > 95% and residue interface areas similarity > 50%51912
Clusters at sequence similarity > 40%10740
Clusters at sequence similarity > 40% and residue interface areas similarity > 50%36315
Clusters at sequence similarity > 40% and binding site area similarity > 50%31499