| PDB release date | 2019-05-15 |
| Number of PDB entries | 133508 |
| Number of biological assemblies | 207198 |
| Number of proteins | 464500 |
| Number of peptides | 14390 |
| Number of SCOPe domains | 188714 |
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| Number of protein-protein interaction interfaces | 460436 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 85538 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 67684 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 55883 |
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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 | 938897 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 123120 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 91296 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 77720 |
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| Number of protein-protein binding sites | 920872 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 119739 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 88693 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 75769 |
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| Number of protein-peptide binding sites | 18025 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 3709 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 3005 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 2509 |
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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 |
