| PDB release date | 2023-12-06 |
| Number of PDB entries | 189987 |
| Number of biological assemblies | 285726 |
| Number of proteins | 732954 |
| Number of peptides | 21309 |
| Number of nucleic acids | 18117 |
| Number of SCOPe domains | 188370 |
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| Number of protein-protein interaction interfaces | 825041 |
| Clusters at sequence similarity > 95% | 89411 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 143097 |
| Clusters at sequence similarity > 40% | 55305 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 112848 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 87246 |
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| Number of domain-domain interaction interfaces | 198386 |
| 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% | 27386 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23051 |
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| Number of all binding sites | 1812897 |
| Clusters at sequence similarity > 95% | 64851 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 223514 |
| Clusters at sequence similarity > 40% | 35968 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 162008 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 131773 |
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| Number of protein-protein binding sites | 1650082 |
| Clusters at sequence similarity > 95% | 62872 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 205880 |
| Clusters at sequence similarity > 40% | 34830 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 149327 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 122135 |
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| Number of protein-peptide binding sites | 27201 |
| Clusters at sequence similarity > 95% | 4091 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 5639 |
| Clusters at sequence similarity > 40% | 2415 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 4379 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 3606 |
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| Number of protein-nucleic acid binding sites | 135614 |
| Clusters at sequence similarity > 95% | 8220 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 12717 |
| Clusters at sequence similarity > 40% | 4875 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 9146 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 7355 |
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| Number of domain-domain binding sites | 396700 |
| Clusters at sequence similarity > 95% | 18911 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51900 |
| Clusters at sequence similarity > 40% | 10738 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36304 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31494 |
