| PDB release date | 2026-07-08 |
| Number of PDB entries | 222132 |
| Number of biological assemblies | 326091 |
| Number of proteins | 929059 |
| Number of peptides | 25666 |
| Number of nucleic acids | 24255 |
| Number of SCOPe domains | 188370 |
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| Number of protein-protein interaction interfaces | 1022754 |
| Clusters at sequence similarity > 95% | 100455 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 168815 |
| Clusters at sequence similarity > 40% | 61092 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 135268 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 98987 |
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| Number of domain-domain interaction interfaces | 198376 |
| Clusters at sequence similarity > 95% | 22495 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36486 |
| Clusters at sequence similarity > 40% | 13653 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27387 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23055 |
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| Number of all binding sites | 2480916 |
| Clusters at sequence similarity > 95% | 77772 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 292628 |
| Clusters at sequence similarity > 40% | 41646 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 212151 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 168264 |
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| Number of protein-protein binding sites | 2045508 |
| Clusters at sequence similarity > 95% | 66858 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 243413 |
| Clusters at sequence similarity > 40% | 36033 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 178872 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 141639 |
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| Number of protein-peptide binding sites | 33275 |
| Clusters at sequence similarity > 95% | 4823 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 6822 |
| Clusters at sequence similarity > 40% | 2834 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 5334 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 4349 |
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| Number of protein-nucleic acid binding sites | 187561 |
| Clusters at sequence similarity > 95% | 10264 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 16927 |
| Clusters at sequence similarity > 40% | 5652 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 11860 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 9132 |
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| Number of domain-domain binding sites | 396622 |
| Clusters at sequence similarity > 95% | 18911 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51888 |
| Clusters at sequence similarity > 40% | 10738 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36292 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31489 |
