PDB Statistics: PDB Data Distribution by Atom Count

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 Range	Number of Entries
< 1000	18,212
1000 - 2000	29,922
2000 - 3000	34,348
3000 - 4000	26,004
4000 - 5000	17,854
5000 - 6000	12,459
6000 - 7000	10,727
7000 - 8000	8,365
8000 - 9000	6,369
9000 - 10000	4,755
10000 - 11000	4,098
11000 - 12000	3,474
12000 - 13000	2,891
13000 - 14000	2,376
14000 - 15000	1,954
15000 - 16000	1,672
16000 - 17000	1,451
17000 - 18000	1,244
18000 - 19000	1,048
>= 19000	13,861

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