| PDB release date | 2022-05-18 |
| Number of PDB entries | 169399 |
| Number of biological assemblies | 257539 |
| Number of proteins | 631241 |
| Number of peptides | 18694 |
| Number of nucleic acids | 15196 |
| Number of SCOPe domains | 188370 |
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| Number of protein-protein interaction interfaces | 682275 |
| Clusters at sequence similarity > 95% | 76509 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 120732 |
| Clusters at sequence similarity > 40% | 48023 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 94988 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 75238 |
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| Number of domain-domain interaction interfaces | 198406 |
| 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 | 1497780 |
| Clusters at sequence similarity > 95% | 57623 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 185866 |
| Clusters at sequence similarity > 40% | 32650 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 134501 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 110898 |
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| Number of protein-protein binding sites | 1364550 |
| Clusters at sequence similarity > 95% | 55871 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 171634 |
| Clusters at sequence similarity > 40% | 31620 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 124127 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 102909 |
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| Number of protein-peptide binding sites | 23718 |
| Clusters at sequence similarity > 95% | 3596 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 4864 |
| Clusters at sequence similarity > 40% | 2139 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 3778 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 3137 |
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| Number of protein-nucleic acid binding sites | 109512 |
| Clusters at sequence similarity > 95% | 6625 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 9982 |
| Clusters at sequence similarity > 40% | 4068 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 7315 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 5994 |
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| Number of domain-domain binding sites | 396740 |
| 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 |
