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
< 100019,726
1000 - 200034,138
2000 - 300039,694
3000 - 400030,215
4000 - 500021,086
5000 - 600015,076
6000 - 700012,821
7000 - 800010,309
8000 - 90008,288
9000 - 100006,088
10000 - 110005,082
11000 - 120004,308
12000 - 130003,679
13000 - 140003,122
14000 - 150002,729
15000 - 160002,221
16000 - 170002,009
17000 - 180001,730
18000 - 190001,394
>= 1900020,151