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 | 17298 |
| 1000 - 2000 | 27799 |
| 2000 - 3000 | 31683 |
| 3000 - 4000 | 23822 |
| 4000 - 5000 | 16180 |
| 5000 - 6000 | 11445 |
| 6000 - 7000 | 9640 |
| 7000 - 8000 | 7598 |
| 8000 - 9000 | 5582 |
| 9000 - 10000 | 4173 |
| 10000 - 11000 | 3411 |
| 11000 - 12000 | 3083 |
| 12000 - 13000 | 2539 |
| 13000 - 14000 | 2067 |
| 14000 - 15000 | 1659 |
| 15000 - 16000 | 1411 |
| 16000 - 17000 | 1253 |
| 17000 - 18000 | 1040 |
| 18000 - 19000 | 894 |
| >= 19000 | 10781 |
