| PDB release date | 2022-09-28 |
| Number of PDB entries | 173824 |
| Number of biological assemblies | 263496 |
| Number of proteins | 646556 |
| Number of peptides | 19336 |
| Number of nucleic acids | 15638 |
| Number of SCOPe domains | 188370 |
|
|
| Number of protein-protein interaction interfaces | 699349 |
| Clusters at sequence similarity > 95% | 78558 |
| Clusters at sequence similarity > 95% and interface residue contacts similarity > 50% | 124088 |
| Clusters at sequence similarity > 40% | 48992 |
| Clusters at sequence similarity > 40% and interface residue contacts similarity > 50% | 97587 |
| Clusters at sequence similarity > 40% and interface area similarity > 50% | 76972 |
|
|
| 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 |
|
|
| Number of all binding sites | 1534675 |
| Clusters at sequence similarity > 95% | 58997 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 191263 |
| Clusters at sequence similarity > 40% | 33228 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 138281 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 113679 |
|
|
| Number of protein-protein binding sites | 1398698 |
| Clusters at sequence similarity > 95% | 57183 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 176581 |
| Clusters at sequence similarity > 40% | 32166 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 127599 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 105466 |
|
|
| Number of protein-peptide binding sites | 24622 |
| Clusters at sequence similarity > 95% | 3714 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 5039 |
| Clusters at sequence similarity > 40% | 2191 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 3911 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 3230 |
|
|
| Number of protein-nucleic acid binding sites | 111355 |
| Clusters at sequence similarity > 95% | 6829 |
| Clusters at sequence similarity > 95% and residue interface areas similarity > 50% | 10275 |
| Clusters at sequence similarity > 40% | 4182 |
| Clusters at sequence similarity > 40% and residue interface areas similarity > 50% | 7513 |
| Clusters at sequence similarity > 40% and binding site area similarity > 50% | 6151 |
|
|
| 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 |
