PDB Statistics: PDB Data Distribution by Residue Count
Distribution of released structures by the number of residues in macromolecules. All residues specified in macromolecular chains (i.e. full sequence) are counted even if not all of them are observed in the structure.
| Residue Count Range | Number of Entries |
|---|---|
| < 100 | 15,319 |
| 100 - 200 | 28,571 |
| 200 - 300 | 29,682 |
| 300 - 400 | 31,925 |
| 400 - 500 | 20,422 |
| 500 - 600 | 16,861 |
| 600 - 700 | 13,617 |
| 700 - 800 | 10,183 |
| 800 - 900 | 9,910 |
| 900 - 1000 | 7,441 |
| 1000 - 1100 | 6,034 |
| 1100 - 1200 | 4,946 |
| 1200 - 1300 | 4,687 |
| 1300 - 1400 | 4,391 |
| 1400 - 1500 | 3,991 |
| 1500 - 1600 | 3,410 |
| 1600 - 1700 | 2,599 |
| 1700 - 1800 | 2,327 |
| 1800 - 1900 | 2,222 |
| >= 1900 | 33,020 |
