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
< 100018,476
1000 - 200030,812
2000 - 300035,202
3000 - 400026,706
4000 - 500018,382
5000 - 600012,846
6000 - 700011,075
7000 - 80008,631
8000 - 90006,686
9000 - 100004,979
10000 - 110004,269
11000 - 120003,635
12000 - 130003,017
13000 - 140002,492
14000 - 150002,063
15000 - 160001,749
16000 - 170001,535
17000 - 180001,320
18000 - 190001,118
>= 1900014,964