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
< 100018,579
1000 - 200031,029
2000 - 300035,807
3000 - 400027,099
4000 - 500018,617
5000 - 600013,171
6000 - 700011,217
7000 - 80008,796
8000 - 90006,844
9000 - 100005,061
10000 - 110004,348
11000 - 120003,686
12000 - 130003,054
13000 - 140002,563
14000 - 150002,117
15000 - 160001,784
16000 - 170001,569
17000 - 180001,352
18000 - 190001,137
>= 1900015,391