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
< 100017,966
1000 - 200029,480
2000 - 300033,792
3000 - 400025,561
4000 - 500017,542
5000 - 600012,200
6000 - 700010,445
7000 - 80008,191
8000 - 90006,186
9000 - 100004,636
10000 - 110004,012
11000 - 120003,393
12000 - 130002,809
13000 - 140002,308
14000 - 150001,892
15000 - 160001,595
16000 - 170001,388
17000 - 180001,190
18000 - 190001,002
>= 1900013,159