| PDB release date | 2019-04-17 |
| Number of PDB entries | 132742 |
| Number of biological assemblies | 206078 |
| Number of proteins | 462268 |
| Number of peptides | 14329 |
| Number of SCOPe domains | 188714 |
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| Number of protein-protein interaction interfaces | 458396 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 85231 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 67450 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 55691 |
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| Number of domain-domain interaction interfaces | 198175 |
| 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 |
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| Number of all binding sites | 934752 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 122651 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 90963 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 77429 |
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| Number of protein-protein binding sites | 916792 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 119280 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 88364 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 75481 |
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| Number of protein-peptide binding sites | 17960 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 3697 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 2998 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 2503 |
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| Number of domain-domain binding sites | 396279 |
| 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 |
