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
< 100020,090
1000 - 200034,648
2000 - 300040,607
3000 - 400030,953
4000 - 500021,610
5000 - 600015,493
6000 - 700013,202
7000 - 800010,568
8000 - 90008,619
9000 - 100006,327
10000 - 110005,279
11000 - 120004,457
12000 - 130003,809
13000 - 140003,247
14000 - 150002,842
15000 - 160002,310
16000 - 170002,103
17000 - 180001,803
18000 - 190001,451
>= 1900021,279