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
< 100016905
1000 - 200027203
2000 - 300030802
3000 - 400023182
4000 - 500015775
5000 - 600011103
6000 - 70009368
7000 - 80007389
8000 - 90005397
9000 - 100004014
10000 - 110003295
11000 - 120002933
12000 - 130002446
13000 - 140001982
14000 - 150001567
15000 - 160001308
16000 - 170001188
17000 - 18000922
18000 - 19000820
>= 1900010031