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
< 100018,781
1000 - 200031,715
2000 - 300036,769
3000 - 400027,808
4000 - 500019,131
5000 - 600013,603
6000 - 700011,636
7000 - 80009,109
8000 - 90007,179
9000 - 100005,278
10000 - 110004,537
11000 - 120003,833
12000 - 130003,178
13000 - 140002,718
14000 - 150002,245
15000 - 160001,862
16000 - 170001,661
17000 - 180001,434
18000 - 190001,200
>= 1900016,436