| PDB release date | 2026-10-28 |
| Number of PDB entries | 226043 |
| Number of biological assemblies | 330988 |
| Number of proteins | 954276 |
| Number of peptides | 26068 |
| Number of nucleic acids | 24994 |
| Number of SCOPe domains | 188370 |
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| Number of protein-protein interaction interfaces | 1060040 |
| Clusters at sequence similarity > 95% | 103822 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 174668 |
| Clusters at sequence similarity > 40% | 62800 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 139889 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 102084 |
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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 | 2563497 |
| Clusters at sequence similarity > 95% | 79641 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 302233 |
| Clusters at sequence similarity > 40% | 42396 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 218775 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 173166 |
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| Number of protein-protein binding sites | 2120080 |
| Clusters at sequence similarity > 95% | 68681 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 252244 |
| Clusters at sequence similarity > 40% | 36782 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 185130 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 146340 |
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| Number of protein-peptide binding sites | 33837 |
| Clusters at sequence similarity > 95% | 4919 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 6977 |
| Clusters at sequence similarity > 40% | 2882 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 5455 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 4437 |
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| Number of protein-nucleic acid binding sites | 195124 |
| Clusters at sequence similarity > 95% | 10710 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 17628 |
| Clusters at sequence similarity > 40% | 5786 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 12191 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 9351 |
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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 |
