| PDB release date | 2018-04-18 |
| Number of PDB entries | 122397 |
| Number of biological assemblies | 190703 |
| Number of proteins | 424986 |
| Number of peptides | 13119 |
| Number of SCOPe domains | 188714 |
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| Number of protein-protein interaction interfaces | 418964 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 78313 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 61731 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 51376 |
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| Number of domain-domain interaction interfaces | 198533 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36413 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27392 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23060 |
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| Number of all binding sites | 854406 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 111747 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 82353 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 70292 |
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| Number of protein-protein binding sites | 837928 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 108698 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 80014 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 68529 |
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| Number of protein-peptide binding sites | 16478 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 3338 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 2694 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 2265 |
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| Number of domain-domain binding sites | 396995 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51825 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36272 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31451 |
