| PDB release date | 2023-04-12 |
| Number of PDB entries | 180672 |
| Number of biological assemblies | 273503 |
| Number of proteins | 687575 |
| Number of peptides | 20182 |
| Number of nucleic acids | 16738 |
| Number of SCOPe domains | 188370 |
|
|
| Number of protein-protein interaction interfaces | 765595 |
| Clusters at sequence similarity > 95% | 84140 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 133696 |
| Clusters at sequence similarity > 40% | 52197 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 104813 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 81834 |
|
|
| 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 |
|
|
| Number of all binding sites | 1679361 |
| Clusters at sequence similarity > 95% | 61824 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 207968 |
| Clusters at sequence similarity > 40% | 34566 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 150541 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 123117 |
|
|
| Number of protein-protein binding sites | 1531190 |
| Clusters at sequence similarity > 95% | 59923 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 191697 |
| Clusters at sequence similarity > 40% | 33465 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 138839 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 114146 |
|
|
| Number of protein-peptide binding sites | 25811 |
| Clusters at sequence similarity > 95% | 3909 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 5351 |
| Clusters at sequence similarity > 40% | 2306 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 4153 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 3423 |
|
|
| Number of protein-nucleic acid binding sites | 122360 |
| Clusters at sequence similarity > 95% | 7627 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 11584 |
| Clusters at sequence similarity > 40% | 4549 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 8333 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 6780 |
|
|
| 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% | 31492 |
