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	18,579
1000 - 2000	31,029
2000 - 3000	35,807
3000 - 4000	27,099
4000 - 5000	18,617
5000 - 6000	13,171
6000 - 7000	11,217
7000 - 8000	8,796
8000 - 9000	6,844
9000 - 10000	5,061
10000 - 11000	4,348
11000 - 12000	3,686
12000 - 13000	3,054
13000 - 14000	2,563
14000 - 15000	2,117
15000 - 16000	1,784
16000 - 17000	1,569
17000 - 18000	1,352
18000 - 19000	1,137
>= 19000	15,391

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