PDB Statistics: PDB Data Distribution by Atom Count
Distribution of released structures by the number of observed atoms excluding atoms in water molecules.
| Atom Count Range | Number of Entries |
|---|---|
| < 1000 | 19,348 |
| 1000 - 2000 | 33,509 |
| 2000 - 3000 | 38,755 |
| 3000 - 4000 | 29,286 |
| 4000 - 5000 | 20,275 |
| 5000 - 6000 | 14,542 |
| 6000 - 7000 | 12,439 |
| 7000 - 8000 | 9,939 |
| 8000 - 9000 | 7,901 |
| 9000 - 10000 | 5,819 |
| 10000 - 11000 | 4,880 |
| 11000 - 12000 | 4,129 |
| 12000 - 13000 | 3,493 |
| 13000 - 14000 | 2,979 |
| 14000 - 15000 | 2,531 |
| 15000 - 16000 | 2,085 |
| 16000 - 17000 | 1,896 |
| 17000 - 18000 | 1,632 |
| 18000 - 19000 | 1,330 |
| >= 19000 | 18,898 |
