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
< 100020,115
1000 - 200034,721
2000 - 300040,686
3000 - 400031,018
4000 - 500021,752
5000 - 600015,518
6000 - 700013,244
7000 - 800010,616
8000 - 90008,656
9000 - 100006,341
10000 - 110005,302
11000 - 120004,479
12000 - 130003,822
13000 - 140003,261
14000 - 150002,872
15000 - 160002,336
16000 - 170002,113
17000 - 180001,814
18000 - 190001,453
>= 1900021,395