| PDB release date | 2019-02-13 |
| Number of PDB entries | 130839 |
| Number of biological assemblies | 203324 |
| Number of proteins | 453822 |
| Number of peptides | 14115 |
| Number of SCOPe domains | 188714 |
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| Number of protein-protein interaction interfaces | 447985 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 83507 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 66056 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 54703 |
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| Number of domain-domain interaction interfaces | 198204 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36390 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27370 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23052 |
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| Number of all binding sites | 913697 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 119928 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 88997 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 75843 |
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|
| Number of protein-protein binding sites | 895970 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 116600 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 86434 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 73920 |
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| Number of protein-peptide binding sites | 17727 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 3648 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 2954 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 2470 |
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| Number of domain-domain binding sites | 396337 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51801 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36251 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31442 |
