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
< 100019,369
1000 - 200033,524
2000 - 300038,837
3000 - 400029,308
4000 - 500020,333
5000 - 600014,556
6000 - 700012,451
7000 - 80009,965
8000 - 90007,918
9000 - 100005,833
10000 - 110004,894
11000 - 120004,146
12000 - 130003,508
13000 - 140002,983
14000 - 150002,532
15000 - 160002,089
16000 - 170001,897
17000 - 180001,633
18000 - 190001,330
>= 1900018,954