| PDB release date | 2018-07-18 |
| Number of PDB entries | 124789 |
| Number of biological assemblies | 194251 |
| Number of proteins | 432537 |
| Number of peptides | 13444 |
| Number of SCOPe domains | 188714 |
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| Number of protein-protein interaction interfaces | 425068 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 79644 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 62777 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 52138 |
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|
| Number of domain-domain interaction interfaces | 198470 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36402 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27381 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23056 |
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| Number of all binding sites | 867038 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 113861 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 83956 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 71583 |
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|
| Number of protein-protein binding sites | 850136 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 110727 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 81560 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 69785 |
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|
| Number of protein-peptide binding sites | 16902 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 3433 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 2761 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 2313 |
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|
| Number of domain-domain binding sites | 396869 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51811 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36258 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31445 |
