| PDB release date | 2018-11-28 |
| Number of PDB entries | 128649 |
| Number of biological assemblies | 200035 |
| Number of proteins | 445717 |
| Number of peptides | 13855 |
| Number of SCOPe domains | 188714 |
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| Number of protein-protein interaction interfaces | 438245 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 82259 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 65043 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 53932 |
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| Number of domain-domain interaction interfaces | 198324 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36397 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27376 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23056 |
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| Number of all binding sites | 893934 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 118103 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 87557 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 74647 |
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| Number of protein-protein binding sites | 876490 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 114832 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 85043 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 72761 |
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| Number of protein-peptide binding sites | 17444 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 3586 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 2898 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 2425 |
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| Number of domain-domain binding sites | 396577 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51809 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36257 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31445 |
