| PDB release date | 2026-09-16 |
| Number of PDB entries | 224646 |
| Number of biological assemblies | 329201 |
| Number of proteins | 943834 |
| Number of peptides | 25920 |
| Number of nucleic acids | 24708 |
| Number of SCOPe domains | 188370 |
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| Number of protein-protein interaction interfaces | 1043757 |
| Clusters at sequence similarity > 95% | 102644 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 172481 |
| Clusters at sequence similarity > 40% | 62131 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 138146 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 100957 |
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| Number of domain-domain interaction interfaces | 198314 |
| Clusters at sequence similarity > 95% | 22464 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36454 |
| Clusters at sequence similarity > 40% | 13622 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27355 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23023 |
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| Number of all binding sites | 2527814 |
| Clusters at sequence similarity > 95% | 79044 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 298904 |
| Clusters at sequence similarity > 40% | 42113 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 216360 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 171372 |
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| Number of protein-protein binding sites | 2087514 |
| Clusters at sequence similarity > 95% | 68096 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 249131 |
| Clusters at sequence similarity > 40% | 36504 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 182842 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 144618 |
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| Number of protein-peptide binding sites | 33666 |
| Clusters at sequence similarity > 95% | 4886 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 6924 |
| Clusters at sequence similarity > 40% | 2862 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 5410 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 4404 |
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| Number of protein-nucleic acid binding sites | 192178 |
| Clusters at sequence similarity > 95% | 10615 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 17456 |
| Clusters at sequence similarity > 40% | 5749 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 12100 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 9295 |
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| Number of domain-domain binding sites | 396506 |
| Clusters at sequence similarity > 95% | 18898 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51826 |
| Clusters at sequence similarity > 40% | 10726 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36233 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31432 |
