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	19,325
1000 - 2000	33,460
2000 - 3000	38,701
3000 - 4000	29,259
4000 - 5000	20,215
5000 - 6000	14,526
6000 - 7000	12,416
7000 - 8000	9,908
8000 - 9000	7,886
9000 - 10000	5,810
10000 - 11000	4,869
11000 - 12000	4,115
12000 - 13000	3,480
13000 - 14000	2,969
14000 - 15000	2,517
15000 - 16000	2,073
16000 - 17000	1,888
17000 - 18000	1,620
18000 - 19000	1,324
>= 19000	18,822

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.