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	17,804
1000 - 2000	29,182
2000 - 3000	33,458
3000 - 4000	25,282
4000 - 5000	17,097
5000 - 6000	12,053
6000 - 7000	10,298
7000 - 8000	8,068
8000 - 9000	6,061
9000 - 10000	4,564
10000 - 11000	3,722
11000 - 12000	3,306
12000 - 13000	2,745
13000 - 14000	2,259
14000 - 15000	1,853
15000 - 16000	1,560
16000 - 17000	1,361
17000 - 18000	1,171
18000 - 19000	981
>= 19000	12,740

RCSB PDB is funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.