| PDB release date | 2023-01-25 |
| Number of PDB entries | 177955 |
| Number of biological assemblies | 269710 |
| Number of proteins | 663946 |
| Number of peptides | 19831 |
| Number of nucleic acids | 16140 |
| Number of SCOPe domains | 188370 |
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| Number of protein-protein interaction interfaces | 723628 |
| Clusters at sequence similarity > 95% | 81044 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 128085 |
| Clusters at sequence similarity > 40% | 50503 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 100861 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 79343 |
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| Number of domain-domain interaction interfaces | 198403 |
| Clusters at sequence similarity > 95% | 22501 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 36493 |
| Clusters at sequence similarity > 40% | 13657 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 27392 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 23057 |
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| Number of all binding sites | 1585883 |
| Clusters at sequence similarity > 95% | 60352 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 197958 |
| Clusters at sequence similarity > 40% | 33908 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 143300 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 117563 |
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| Number of protein-protein binding sites | 1447256 |
| Clusters at sequence similarity > 95% | 58500 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 182741 |
| Clusters at sequence similarity > 40% | 32819 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 132187 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 109022 |
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| Number of protein-peptide binding sites | 25289 |
| Clusters at sequence similarity > 95% | 3831 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 5207 |
| Clusters at sequence similarity > 40% | 2252 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 4035 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 3327 |
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| Number of protein-nucleic acid binding sites | 113338 |
| Clusters at sequence similarity > 95% | 7026 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 10659 |
| Clusters at sequence similarity > 40% | 4317 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 7841 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 6413 |
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| Number of domain-domain binding sites | 396734 |
| Clusters at sequence similarity > 95% | 18915 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 51912 |
| Clusters at sequence similarity > 40% | 10740 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 36315 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 31499 |
