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
< 100019,075
1000 - 200032,216
2000 - 300037,546
3000 - 400028,476
4000 - 500019,654
5000 - 600014,007
6000 - 700011,937
7000 - 80009,388
8000 - 90007,477
9000 - 100005,524
10000 - 110004,704
11000 - 120003,959
12000 - 130003,318
13000 - 140002,832
14000 - 150002,337
15000 - 160001,945
16000 - 170001,740
17000 - 180001,513
18000 - 190001,258
>= 1900017,508