PDB Statistics: PDB Data Distribution by Atom Count

Distribution of released structures by the number of observed atoms excluding atoms in water molecules.

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Atom Count RangeNumber of Entries
< 100018,212
1000 - 200029,922
2000 - 300034,348
3000 - 400026,004
4000 - 500017,854
5000 - 600012,459
6000 - 700010,727
7000 - 80008,365
8000 - 90006,369
9000 - 100004,755
10000 - 110004,098
11000 - 120003,474
12000 - 130002,891
13000 - 140002,376
14000 - 150001,954
15000 - 160001,672
16000 - 170001,451
17000 - 180001,244
18000 - 190001,048
>= 1900013,861