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	19,338
1000 - 2000	33,476
2000 - 3000	38,735
3000 - 4000	29,276
4000 - 5000	20,253
5000 - 6000	14,536
6000 - 7000	12,427
7000 - 8000	9,912
8000 - 9000	7,892
9000 - 10000	5,816
10000 - 11000	4,879
11000 - 12000	4,121
12000 - 13000	3,488
13000 - 14000	2,975
14000 - 15000	2,529
15000 - 16000	2,082
16000 - 17000	1,891
17000 - 18000	1,628
18000 - 19000	1,328
>= 19000	18,876

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.